Comsol antenna designproiecte

I'm seeking an experienced electronic engineer to design an NFC antenna coil aimed specifically at physical access control via smartphones. The design should meet all the essential criteria for wireless communication and smartphone compatibility with a primary focus on advancing security protocols. Key Requirements: - Deep understanding of NFC and wireless communication - Familiarity with smartphone interfacing techniques, particularly in regards to access control - Understanding of physical access control principles and how they can be incorporated into the antenna design - Previous experience in designing for security and access control applications will be highly regarded. The ultimate goal is the creation of a coil design that can be...

...pdf Reference Development board: Create a Custom Personalized schematic incorporating the components listed, including the Rockchip RK3588 SoC and additional peripherals, you'll need to carefully consider the connections and power requirements of each component. Here's a basic outline of how you might design such a schematic: 1. Rockchip RK3588: - Connect the RK3588 SoC to the necessary power supplies, clock signals, and peripherals according to its datasheet. 2. 4GB/8GB RAM: - Connect the RAM module(s) to the RK3588 SoC's memory interface, ensuring proper signal routing and power connections. 3. eMMC: - Connect the eMMC storage device to the appropriate interface on the RK3588 SoC, typically

I need assistance with automating input into a web page using VB.Net (or C# with Visual Studio 2017 or higher). I have a mostly working sample in VB.Net, but I am struggling with automating the entry of an antenna type, which is facilitated by a dropdown menu. The specifics of my requirements are as follows: - Web Browser: The automation should be compatible with either Google Chrome or Microsoft Edge. - Handling Dynamic Elements: I am not positive about the need for the automation to handle dynamic web page elements. This will require some assessment or flexibility in the solution. The ideal freelancer for this project should have: - Proficiency in VB.Net or C# with Visual Studio 2017 or higher. - Experience with web page automation. - Knowledge of automating input through dropdo...

I'm looking for an expert in antenna simulation, specifically for a LPDA 470MHz - 700MHz system using MathWorks Antenna Toolbox. Your role would involve: - Crucial simulating of LPDA antenna system accurately - Checking and analyzing the Return Loss versus Size You should have experience with the Mathworks Antenna Toolbox and knowledge in LPDA antenna systems. A clear understanding of Return Loss vs Size in antenna system simulations is a must. Make your bid and let's get started!

I'm looking for an experienced electrical engineer to help design an UHF (Ultra-High Frequency) LPDA antenna. About The Project: - The primary purpose of this antenna will be to work in tandem with wireless microphones, of which I plan to operate between 1-5 at a time. The Ideal Candidate: - Has experience in RF engineering and antenna design - Is familiar with antennas operating in UHF frequencies - Has the ability to optimize antenna design for usage with wireless microphones Please only apply to this project if you meet the above criteria and feel confident you can successfully design an effective LPDA antenna in the UHF range.

...seeking an experienced RF design engineer to partner for lab project involving: Design of discrete circuit transmitter with specific RF performance requirement that shall be provided as needed. From the DAC output to RF frequency 5GHz. One stage up-conversion. modeling and simulation of the transmitter signal chain that provides performance details related to link budget RF chain analysis, inter modulation and harmonic distortion using RF/microwave circuit synthesis and simulation software for circuit board and subsystem designers called "Genesys" Desirable Skills and Experiences: - Proven experience in the field of electronics. - Expertise in RF circuit and antenna designing. - Knowledge of medium frequency range (1 GHz - 10 GHz) in RF circuit and a...

I'm looking for a knowledgeable expert in fluid dynamics to help me ...flow analysis, simulation, and behavior modeling. The main objective here is to enhance a product design. While I have no specific software requirement for this project, some level of proficiency using common tools like ANSYS Fluent, COMSOL Multiphysics, or OpenFOAM would be beneficial. Skills and Experience Required: - Strong knowledge and experience in fluid dynamics - Prior experience with fluid flow analysis, simulation, and behavior modeling - Familiarity with fluid dynamics software (ANSYS Fluent, COMSOL Multiphysics, OpenFOAM) Your role in this project will be to provide expert perspectives, carry out relevant analyses and simulations, and guide the improvement of the product desi...

I'm looking for an experienced RF antenna designer to integrate an RF antenna into a mobile handheld device Ideal skills and experience: - Proven expertise in RF antenna design - Experience with wireless communication systems - Ability to work independently and deliver results promptly

Hi Tahir A., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

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I am seeking an expert in radio frequencies and telecommunication engineering to conduct an analysis of the line of sight for an RF antenna. The antenna will be positioned in a challenging mountainous terrain and is intended to have a range of more than 10 miles. Potential obstructions in this environment include trees, vegetation, built structures, and naturally occurring topographical features. The successful freelancer will be expected to: - Create detailed simulations or models of the projected RF signal propagation. - Identify any likely signal obstruction or degradation due to the identified features of the mountainous terrain. - Propose optimum positioning or other recommendations to maximize the antenna's functionality. Skills and Experience: - Telecommunicat...

...expert in antenna design, Matlab programming, and Comsol simulation. Your primary tasks will include: - Creating and simulating an antenna design - Performing necessary Matlab programming - Conducting Comsol simulation. - Calculating every step of the design I need a professional who knows antennas, Matlab and Comsol to do the following: The slotted waveguide array antenna (SWA) is renowned for its high-power radiation and is commonly utilized in space applications. It achieves a significantly high antenna gain by leveraging radiations through multiple slots placed at half-wavelength distances. The effects of slot placement, position, and configuration on the waveguide play a critical role in optimizing antenn...

I'm seeking an antenna engineer with strong experience in UHF RFID applications to design a Circularly Polarized Modified Minkowski Fractal Based Antenna. Key details: - The antenna should be capable of long-range (5+ meters) readability. - The antenna is needed for both indoor and outdoor UHF RFID reader applications. Ideal Skills: - Expertise in antenna design - Strong knowledge of UHF RFID systems - Proven experience with indoor and outdoor application of antenna technology In your proposal, be sure to discuss: - Your experience with similar projects - Your approach to the challenge this project presents.

...Responsibilities: Design and develop RF components and subsystems for radar systems. Conduct system-level analysis and simulations to optimize radar performance. Perform RF testing and validation to ensure compliance with specifications. Collaborate with cross-functional teams, including hardware, software, and systems engineers. Stay abreast of emerging technologies and industry trends in radar systems. Requirements: Bachelor's degree in Electrical Engineering, RF Engineering, or a related field. Master's degree preferred. Proven experience in designing and developing radar systems, preferably in automotive industries. Proficiency in RF simulation tools such as ADS, CST, HFSS, or similar. Strong understanding of radar principles, including waveform design, si...

Design of four legged tower according TIA-222G code in MS Tower software. Available material list, tower geometry, location for wind loading, antenna configuration is already provided. After analysis and design the tower structural members will be finalized. Based on reaction anchor bolt, base plate will be design. A design report, anchor bolt, base plate drawings and line diagram (member sizes and Connection bolt) will be provided. This is the milestone one. After completing the first milestone we will proceed for detailed drawings. At this stage we will model this tower for drawing generation. Detailed tower fabrication and erection drawings will be provided. This is the second and final milestone.

Antenna design at 150 to 700 mhz at 350 usd

Help us to create an innovative cargo container that redefines functionality and sustainability. This project entails crafting the exterior and interior of a cutting-edg...stations on one of the battery sides, Solar panels on top, 4 7-feet sunbrella units in-front which has charging ports and where people can sit and work too. It will also have a Starlink wifi antenna on one top corner, and CCTV camera on another. Will have flood lights infront. Going forward, we will also design the 10-feet and 20-feet design if we like your design with some downgrades. We need a very realistic output and renderings, along with the 3D CAD model for our use to implement it. Need professional architect and industrial designer who is well versed with technology use also and not ...

I am in need of a skilled expert in COMSOL/Fluent who can perform an advanced arc simulation for an electromechanical system as part of my project. Specifically, I am interested in simulating the dynamics of an arc, considering factors such as viscosity, density, temperature, and more. The system is a closed one, consisting of silicon oil (90%) and air (10%) as the fluid. I require your expertise to help me understand the pressure distribution, velocity profile, temperature distribution, stress distribution, strain distribution, and crash test outcomes through your interpretation and computation. The ideal candidate should have a strong grasp of Comsol Multiphysics and extensive experience in performing electromechanical simulations, particularly arc simulations, takin...

I need a specialist competent in COMSOL software who can assist me in the modeling and simulation of perovskite solar cells. The work involves rigorous electrical and optical, thermal coupling of the solar cells. The goal is to enhance the heat dissipation and thoroughly analyze the temperature distribution within the system.

I'm in need of a professional to model and analyze cellular networks specifically focusing on coverage, signal strength, and performance analysis. My project primarily involves the simulation of figure 3 (a) from a certain academic paper. Key project details include: 1. Modelling Aspects: - Antenna locations - Coverage area boundaries - Signal strength variations 2. Analysis Aspects: - Coverage and signal strength - Interference and performance analysis 3. Measurement Metrics: - Signal-to-Noise Ratio (SNR) - Path loss and fading effects The ideal candidate will bring an understanding of signal propagation, network modeling, and have experience in cellular network simulation. An understanding of the mathematics and physics behind signal strength variat...

I'm in need of a proficient COMSOL and MATLAB expert for my project. We're attempting to solve the transient heat transfer equation, carry out finite element methods analysis, and PDE in MATLAB. While we don't have any specific desired outcomes or constraints at this stage, the expert will be required to work with me to formulate these as the project progresses. Ideal Skills: - In-depth knowledge of COMSOL and MATLAB - Bright understanding of finite element methods - Acute understanding of the transient heat transfer equation problem - Ability to analyze and solve PDEs in MATLAB - Excellent problem solving and critical thinking skills This project involves complex calculations and simulations. Therefore, a background in mechanical engineering or a relat...

I'm searching for a COMSOL multiphysics expert who can conduct a comprehensive analysis of various braking disks used in automotive applications. Specifically, I need someone to: - Carry out a temperature distribution analysis on the braking disk - Simulate the airflow - Perform a thermal stress analysis Materials to consider for the analysis are: - Carbon Ceramic discs - Cast Iron discs - Steel discs The ideal candidate should have extensive experience in thermal and fluid dynamics simulations as well as a deep understanding of COMSOL software. Knowledge of automotive braking systems is a plus as this would enhance the quality of analysis output. I look forward to a proficient professional who can provide valuable insights on best material composition for optimal b...

The project consist in the design of a CM4 carrier board whit specific requirements. All connections with ended with JST connectors, (except the antenna of the AIS, to be decided). The idea is starting from a existing CM4 carrier board ‘open source’, and modify it to add/remove elements, also ‘open source’. Most of the requirements can be found in any CM4 carrier board available with a public license. Description of the elements, interfaces and other requirements follows • Maximum board size 100mmx200mm • Power souce 12v • USB-C • Ethernet • CANBUS (Can provide design sources) • PCIe • SD card slot • LVDS signal + backlight (Can provide design sources) • M...

I'm looking for an experienced freelancer to help develop a gas sensor using nanocomposite material (SWCNTs+PEDOT:PSS) in COMSOL Multiphysics. While the exact purpose of the sensor remains undefined, a deep understanding and proficiency with COMSOL Multiphysics software is absolutely essential. To assure me of their suitability for the project, freelancers should: - Display evidence of past projects they have completed using COMSOL Multiphysics. Demonstrating successful application of the software in a practical context would be highly beneficial. Ideal Skills and Experience: - Proficiency in using COMSOL Multiphysics software. - Experience in developing gas sensors (preferable but not mandatory). - Ability to communicate effectively and update regula...

...designer to prepare drawings for a 10-20 meter high inflatable tower antenna. The purpose of the antenna is for radio communications, broadcasting, and surveillance. - Requirements & Conditions The drawing must showcase the tower's resilience, ensuring functionality despite not having specific conditions it needs to withstand. Inventiveness and creativity in design are highly valued, and your expertise in interpreting technical specifications is vital. - Skills and Experience Ideal candidates should have a background in engineering or a relevant design discipline. Product design experience is a bonus, particularly with inflatable or antenna-based products. Understanding of materials selection in relation to product design w...

I am seeking professional help from a MikroTik expert. My primary objective is to enhance my internet speed connected through MikroTik RBLHGR&R11e-LTE6. Key Tasks to be performed: - Provide step-by-step support for the set-up of the MikroTik RBLHGR & R11e-LTE6 device physically. - Facilitate the calibration of the antenna to achieve the highest possible speed. - Set up correct port forwards and resolve the current issues related to it. Needed Skills and Experience: - Extensive experience in setting up and handling MikroTik devices. - In-depth understanding of network configurations and port forwarding. - Expertise in addressing internet speed and connection related problems. My goal is to start with the software and finish with physical setup. I can spend 1-2 hours ...

...of an ammonia decomposition reactor from scratch using Comsol. Key tasks and deliverables: 1. Develop the Reactor Model: - The model should not only include detailed structural elements but also dynamically represent reactive processes. 2. Simulation Results: The expected output should be represented in the form of visual graphics to clearly communicate the simulated behavior of the reactor. 1. create and validate a process model for hydrogen production via ammonia decomposition using data from experiments 2. optimise the process parameters for higher conversion. 3. The most effective catalytic system for this investigation is a Ru-based catalyst. 4. A process model simulating the synthesis of hydrogen from ammonia using COMSOL MULTIPHYSICS SOFTWARE. 5. The imp...

...of an ammonia decomposition reactor from scratch using Comsol. Key tasks and deliverables: 1. Develop the Reactor Model: - The model should not only include detailed structural elements but also dynamically represent reactive processes. 2. Simulation Results: The expected output should be represented in the form of visual graphics to clearly communicate the simulated behavior of the reactor. 1. create and validate a process model for hydrogen production via ammonia decomposition using data from experiments 2. optimise the process parameters for higher conversion. 3. The most effective catalytic system for this investigation is a Ru-based catalyst. 4. A process model simulating the synthesis of hydrogen from ammonia using COMSOL MULTIPHYSICS SOFTWARE. 5. The imp...

...distribution of electron/hole concentration and electrostatic potential within the device. Skills Required: Proficiency in numerical methods, especially in the Finite Element Method (FEM). Strong background in semiconductor physics and a comprehensive understanding of semiconductor transport equations. Experience with mathematical software or programming languages for FEM implementation (e.g., MATLAB, COMSOL, Python with SciPy and NumPy libraries), with the ability to work with documentation and resources in German. Capability to visualize and interpret simulation results effectively. Deliverables: A comprehensive report detailing the methodology for discretizing the equations and applying boundary conditions, written in either English or German. The source code for solving the...

I am seeking a knowledgeable individual who specializes in antenna theory and electromagnetism. We’re facing some challenges that need immediate attention.

I'm looking for an expert on Ardupilot and First-Person View (FPV) setup for a fixed-wing aircraft. **Main Tasks** - Assist in configuring an Ardupilot for a Tailsitter design fixed-wing aircraft. Your extensive knowledge of autopilot systems for unmanned aerial vehicles (UAVs) is needed to ensure a successful flight control. - Helping to set up an FPV system with a focus on enhancing live video density. This includes selecting the right equipment, antenna configurations, and optimizing for the best live video feed. **Key Skills** - Proven experience with Ardupilot configuration - Knowledgeable in Tailsitter design - FPV system setup expertise - Experience in optimizing live video density Be prepared to share previous works and samples. Looking forward to wor...

...of an expert in Antenna design with a focus on 5G solutions. I'm aiming to develop a compact multiband antenna that meets the following specifications: - Physical dimension: The antenna should not exceed 10 to 20 cm. - Material: The usage of Metallic materials is preferred for construction. - High gain performance: The design should offer exceptional gain performance. It should be done in Ansys software or cst studio software. Ideal candidates for this job will have significant experience in small antenna design, with a focus on those used in 5G applications. Prior experience with designing antennas using metallic materials and an understanding of size constraints in antenna designs would also be of benefit. This project will...

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I am seeking an experienced animator who can produce an engaging 1-2 minute video, demonstrating the process of installing network repeaters in a building. Using a balanced approach, the video should equally highlight both the technical installation procedures as well as the diagrammatic representation of antenna and cable layout. Key Responsibilities: - Develop an animated video with clear visualisation of the process of network repeater installation - Illustrate the location of 11 antennas on the rooftop - Demonstrate the extension of the cable from the rooftop to the electric room on each floor. then, extend the cable from repater in Electric Room to the Offices Ideal Skills and Experience for this Project: - Proficiency in creating motion graphics - Experie...

Make an infographic about the distinctions between LMR-100 and RG-174 coaxial cable types. LMR-100 and RG-174 are coax types for antenna cables. This contest will have multiple winners (approximately ten winners will be chosen). Secondary winners will receive typically $20 for their entry. Each of all the winners gets their own feedback. The infographic can show some or all of the following information: 1. The differences in attenuation (signal loss) for each of the two types. 2. The bend radiuses of each of the two types 3. Diameter / thickness of each of the two types. 5. Shielding characteristics of each 6. Any other distinguishing information that you can find that makes the graphic more interesting is fine. I will choose some winners that are more complex and som...

I am in need of a freelancer skilled in 3D modelling using Comsol software. Your expertise will be utilized in conducting heat transfer analysis on simple geometrical shapes, with no animation or dynamic simulation required. Ideal candidates should have: - Profound knowledge and experience in 3D modelling with Comsol. - Specialization in heat transfer analysis. - Ability to model simple geometric shapes accurately. - The project only requires static models, no dynamic simulations or animations. Please provide examples of similar work in this field when submitting a proposal. Thank you.

I'm looking to hire a freelancer who has demonstrable expertise in 3D modelling, specifically using Comsol software. About the project: - I already have a simple 3D model done in AutoCAD. - I need this model re-created in Comsol. - It's imperative to note that I don't need it exported, but modeled from the beginning in Comsol. Your qualifications: - Proven experience with Comsol and 3D modelling. - Ability to communicate effectively and work within tight deadlines. Timeframe: - I need this project completed as soon as possible, so immediate availability is preferable. If you can meet these requirements, and are passionate about Comsol modelling, please place your bid. I'm eager to work with the right professional to bring this pro...

I am seeking a freelancer with a strong background in Signal Generator & Radio Frequency (RF) amplification/antenna design for a project I am working on. The goal of this project is to design a signal generator and RF amplifier that can be adjusted between 42-45 kHz ±0.1kHz with adjustable output power ranging from 1-5 Watts ±0.1W. Additionally, it would require the design of a base or center-loaded antenna approximately 3 meters in length. The power supply should be able to function with 120VAC 60Hz. This project needs someone with the following skills: - Frequency generator design - Knowledge of RF amplifier design - Proficient in antenna design, specifically prioritizing compactness - Understanding of ele...

I'm in need of a proficient COMSOL user to carry out a fluid flow analysis piezoelectric simulation of a micropump. This task will require the freelancer to: - Accurately simulate the properties of a cylindrical micropump. - Analyze and report on the plot graph between applied voltage and frequency, flow rate, pressure distribution, and fluid velocity. - Apply expertise in Comsol Multiphysics to accomplish this. This project ideally suits one with extensive experience in structural mechanics, fluid dynamics and piezoelectric materials, ideally demonstrated through previous works on COMSOL or similar platforms. Detail-oriented professionals who prioritize accuracy in their simulations are strongly desired.

We offer tech products across the entire South African region. Most customers inquire about the installation of the product. We are looking for a partner who can conduct installations throughout South Africa. The product in question is a Mobile Signal Booster. Installation process: Mounting the antenna on the roof. Connecting cables to the antenna and bringing them inside the property. Connecting the cable to the head unit of the product. Connecting an additional cable and antenna for internal use. This is the basic installation scheme. Some businesses may require a more complex installation. We are ready to start working with a partner as soon as possible. All regulations, payments, and contracts will be managed through a freelance platform.

I need an electrical engineer, expert in the discipline of impedance, to conduct calculations on an aluminum circular plate. Please check the attached comsol pictures. I have the mph file. You have to calculate the impedence on any point on the surface of aluminum layer. Please let me know if you can do it. Share your previous experience with bidding please. Thank you

I'm seeking top-of-the-line engineers who are fervently skilled in antenna design, particularly in the mm-wave frequency band (24–31 GHz). My primary aim is to create a semi-flexible two-port (MIMO) antenna with dual (CP) specifically tailored for wearable applications in biotechnology. Key Features Required: - Small size: The antenna must be compact to be comfortably worn and integrated into the biotechnology devices. - High efficiency: Without compromising its size, the antenna should powerfully perform its functions. - Wide bandwidth: To ensure the seamless connection and representation of data, the antenna should are capable of covering a broad frequency range. Transmission Distance: - The designed antenna's transmission dis...

I am seeking to develop a flexible printed antenna design optimized for long-range analog video transmission, in the shape of a shuttlecock. Details: - The antenna must be designed to operate effectively within the 5.8G frequency range. - Must be in the shape and dimensions of my 2D drawings. It will then fold into a 3D shuttlecock shape. - It should have a medium gain to ensure balance between signal strength and coverage area. The ideal freelancer for this project should have: - Proficiency in antenna design engineering - Experience in designing printed antennas for 5.8G frequency - Ability to consider flexibility for design The project will require both the theoretical design and the physical blueprint of the antenna. I want i...

More details: What specific temperature parameters do you want to simulate for the lithium-ion battery? Operating temperature range 25 C° - 45 C°, Thermal runaway temperature, Ambient temperature What are the desired simulation outputs for the lithium-ion battery temperature distribution? Temperature contours, Heat flow distribution, Time-dependent temperature variation What specific factors or conditions should be considered in the simulation of the lithium-ion battery temperature distribution? Battery charging/discharging rate 0,5C - 6C

I am looking to design a tilt mechanism for an aluminum tower that is 48 feet tall. The antenna and rotating motor would weigh approx 55 lbs. The tower would either weigh 350 or 550 lbs. I would like to if it is possible to have a mechanism to lay the tower down with either a hand winch or motorized winch. I have the basic design on the picture just need to know the forces on the winch and the i beam support, no particular software I need someone with a mechanical design background or mechanical engineering background to help with this project.

...begin my journey aided by a capable tutor with a wealth of knowledge and practical experience in signal processing, antenna design, and RF circuit design. Emphasis on everything from spectral efficiency to signal propagation is highly preferred. To accommodate my learning preferences, I would ideally like the tutor to deliver the lessons through online video calls. This will allow a flexible learning setup and instant clarification of any problems I may encounter during the lesson. Expected skills and experience of the ideal candidate would be: * Profound knowledge and understanding of wireless systems, specifically signal processing, antenna design, and RF circuit design * Experience in providing comprehensive and engaging online lectures v...

I'm in need of an experienced professional with vast knowledge of both Arduino and Radio-Frequency Identification (RFID). Key Duties: - Creating an advanced code for my Arduino Uno to function effectively. - Ensuring accurate collection of data from the RFID sensors. - Navigating communication with other devices smoothly. - Programing the RFID antenna for reading multiple tags with each performing specific functions. Ideal Skills and Experience: - Extensive experience with Arduino Uno. - Solid understanding of how RFID systems work. - Proven ability to develop complex Arduino codes. - Background in sensor data collection and device communication. Please, apply if you possess these skills and are ready for an exciting challenge!

I need an experienced PCB designer with proficiency in handling ESP32 modules to help design for a control system. This project entails the design and development of a custom ESP32 based PCB that's equipped with multiple input-output features, including analog inputs that ranges from 0 - 10vdc as well as analog outputs from 0 - 10dc. It also necessitates the integration of MODBUS, WIFI antenna extender connector, and battery backup components. Ideal Qualifications & Skills: - Robust knowledge of PCB design and layout - Experience with ESP32 modules - Proficiency in interfacing with analog inputs/outputs - Familiarity with MODBUS and WIFI antenna connector - Experience working with projects that require battery backup designs Environment: Th...

...consumer electronics applications. My goal is to achieve a significant improvement in device performance by leveraging the advanced simulation capabilities of Comsol Multiphysics, a software with which I have prior experience. **Key Requirements:** - **Design Expertise:** Proficiency in optomechanical design principles and practices, particularly in the context of accelerometers for consumer electronics. - **Comsol Multiphysics Experience:** An in-depth understanding and working knowledge of Comsol Multiphysics is essential for this project, given its critical role in the design and testing phases. - **Focus on Sensitivity:** The design must prioritize high sensitivity, ensuring that the accelerometer can detect even the slightest movem...

Hi, I am looking for an expert in Antenna design to work on a project in HFSS Software. I will share work details in chat. Place your bid if you have prior expertise in HFSS software.