Many customers themselves cannot accurately know the material parameters of the products they use.

After completing the above 3D model, the simulator needs to determine the parameters (including dielectric constant and loss) of the materials of the various components in the model. Even if the real dimensions of the customer's real shell 3D drawing and the circuit board drawing are imported for simulation, the internal structure of the accessories in the customer's product, the drawing file and the actual deviation are unknown, and the results of natural simulation cannot be accurate.Ģ、 Differences between general material parameters and real product material parameters There is a difference between this simplified model and the actual product, and this difference will directly lead to deviations in the simulation results. Many times the 3D model is a simplified model created by the simulator itself based on the customer's product. The working principle of this type of software is to import the 3D model of the desired design product into the computer simulation software, or create a 3D model that simulates the actual product on the software, and then set the material of the model to a universal material The antenna design is completed on the basis of which the technical parameters of the antenna are calculated by software.īased on the above principles, we can know that there are many inaccurate factors in computer software simulation, and these factors will lead to inaccurate simulation results.ġ、 Difference between 3D model and final real product

Today I will tell you why when you design antennas on real electronic products, you only do computer HFSS, CST and other simulation designs to directly determine the antenna is not reliable.įirst we need to understand the principles of computer HFSS, CST and other simulation software. After getting the ideal antenna pattern, the proofing will be a problem, wasting precious project time. Many theoretical scholars spend a lot of time on software modeling when receiving antenna design projects.

When designing antennas for communication terminal products, the electromagnetic simulation software is used to model and design antennas, and the results are often very different from the actual ones. Why does the antenna HFSS and CST simulation design not reliable?

Cst antenna simulation