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A Calibration Method Applied to Real-Frequency Simulation Design

A simulation design and correction method technology, applied in special data processing applications, calculations, instruments, etc., can solve the problems of passive design process, failure to build a good bridge of simulation model, insufficient model support of computer simulation design, etc., and achieve the goal of improving the efficiency of actual measurement Effect

Active Publication Date: 2017-08-15
FUJIAN XINGHAI COMM TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] a) It is impossible to establish a good bridge from the simulation model to the real object, which makes the product development cycle longer;
[0005] b) The entire product design process becomes passive and complicated, and the computer simulation design will not be able to provide effective model support for physical production;
[0006] c) indirectly lost the advantages of computer simulation design

Method used

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  • A Calibration Method Applied to Real-Frequency Simulation Design
  • A Calibration Method Applied to Real-Frequency Simulation Design
  • A Calibration Method Applied to Real-Frequency Simulation Design

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Experimental program
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Embodiment 1

[0046] see image 3 and Figure 5 , is a schematic diagram of a correction test applied to a real-frequency simulation design according to a specific embodiment of the present invention; a correction test applied to a real-frequency simulation design, the specific steps are as follows:

[0047] 1. Make L1; when the working frequency of DUT is f0, its corresponding wavelength is The total length of the cable under test plus the connector is Both can effectively resonate, which is conducive to radiation, while The line length is relatively short, easy to measure, improve manufacturing accuracy, and save materials, so it is adopted

[0048] 2. Use a vector network analyzer to test and record the output reactance Xout of L1;

[0049] 3. Calculate L2; calculate the following formula according to the reactance:

[0050] where Zc is 50Ω;

[0051] It is calculated that when the output reactance is Xout, the length from the calibration plane of the vector network analyzer ...

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Abstract

The invention relates to the field of real frequency simulation, in particular to a correction method applied to real frequency simulation design. Carry out the data acquisition and simulation of the device under test by the vector network analyzer, obtain the simulated length value of the device under test, and then correct it by the correction value of the vector network analyzer to obtain the true value of the device under test length value. Through the correction of the vector network analyzer, the conversion relationship between simulation and actual measurement is established, and the efficiency of transforming simulation into real objects can be effectively improved.

Description

technical field [0001] The invention relates to the field of real frequency simulation, in particular to a correction method applied to real frequency simulation design. Background technique [0002] With the wide application of microwave products, the design of microwave products is increasingly dependent on Computer Aided Design (CAD) software, whose powerful electromagnetic computing capabilities and optimization algorithms reduce the difficulty of manual electromagnetic analysis and design. However, in actual application, in the process of transforming the simulation model into a real object, the test results of the real object often do not match the simulation model, so that the design cannot be accurately and equivalently put into actual production use. Especially in the traditional real-frequency simulation design method, if there is no clear understanding of the correction of the Vector Network Analyzer (VNA), the collected real-frequency data will be used incorrectl...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F17/50
Inventor 杨程王中锋刘杰陆闯
Owner FUJIAN XINGHAI COMM TECH