The time-domain measure technique of vector network analyzers base on inverse chirp-z transform 逆變換矢量網(wǎng)絡(luò)分析儀時(shí)域測(cè)量技術(shù)
The measure system is based on virtual instrument technology . its hardware includes measurement flat, servo motor, vector network analyzer ( vna ) etc . and its software is programmed by labview 測(cè)量系統(tǒng)采用虛擬儀器的設(shè)計(jì)思想,由測(cè)量平臺(tái)、伺服電機(jī)、矢量網(wǎng)絡(luò)分析儀、計(jì)算機(jī)等硬件組成,用labview完成了系統(tǒng)軟件設(shè)計(jì)。
The multiply scattering method is used to simulate the propagation of waves in these structures . on the other hand, we also manufacture the samples and measure the transmittance of light with hp8510c vector network analyzer 按照這些條件,設(shè)計(jì)制作了相應(yīng)的光子晶體模型,并用多重散射的方法對(duì)它們分別進(jìn)行了模擬計(jì)算。
According to performance parameters test requirements of phased array radar's t / r modules, we make a deep study of microwave measurement principles and network measurement principles, analyze the operation principles of the microwave vector network analyzer, have a good knowledge of several functional configurations of hp8510c vector network analyzer, and successfully use a vector network analyzer to accomplish the measurement of microwave pulse high power signals 根據(jù)相控陣?yán)走_(dá)tr組件性能參數(shù)的測(cè)試要求,深入研究了解微波測(cè)量及網(wǎng)絡(luò)測(cè)量原理,分析了微波矢量網(wǎng)絡(luò)分析儀的工作原理,掌握了hp8510c矢量網(wǎng)絡(luò)分析儀多種功能配的方法,成功地應(yīng)用微波網(wǎng)絡(luò)分析儀實(shí)現(xiàn)對(duì)微波脈沖大功率信號(hào)的測(cè)量。
According to performance parameters test requirements of phased array radar's t / r modules, we make a deep study of microwave measurement principles and network measurement principles, analyze the operation principles of the microwave vector network analyzer, have a good knowledge of several functional configurations of hp8510c vector network analyzer, and successfully use a vector network analyzer to accomplish the measurement of microwave pulse high power signals 根據(jù)相控陣?yán)走_(dá)tr組件性能參數(shù)的測(cè)試要求,深入研究了解微波測(cè)量及網(wǎng)絡(luò)測(cè)量原理,分析了微波矢量網(wǎng)絡(luò)分析儀的工作原理,掌握了hp8510c矢量網(wǎng)絡(luò)分析儀多種功能配的方法,成功地應(yīng)用微波網(wǎng)絡(luò)分析儀實(shí)現(xiàn)對(duì)微波脈沖大功率信號(hào)的測(cè)量。
According to performance parameters test requirements of phased array radar's t / r modules, we make a deep study of microwave measurement principles and network measurement principles, analyze the operation principles of the microwave vector network analyzer, have a good knowledge of several functional configurations of hp8510c vector network analyzer, and successfully use a vector network analyzer to accomplish the measurement of microwave pulse high power signals 根據(jù)相控陣?yán)走_(dá)tr組件性能參數(shù)的測(cè)試要求,深入研究了解微波測(cè)量及網(wǎng)絡(luò)測(cè)量原理,分析了微波矢量網(wǎng)絡(luò)分析儀的工作原理,掌握了hp8510c矢量網(wǎng)絡(luò)分析儀多種功能配的方法,成功地應(yīng)用微波網(wǎng)絡(luò)分析儀實(shí)現(xiàn)對(duì)微波脈沖大功率信號(hào)的測(cè)量。
We also discuss the design of cavity that is used in experiment 、 means for how to stir electromagnetic wave and choice of diameter / length ratio for cavity . final, we have made an experiment to cigarette with apparatus made up of vector network analyzer ( vna ) and cavity that is designed by ourselves, regressed the equation with matlab software, analyzed measurement errors, put forward some means that reduce measuring error 最后,使用自己設(shè)計(jì)的諧振腔和矢量網(wǎng)絡(luò)分析儀搭成的實(shí)驗(yàn)裝置對(duì)卷煙進(jìn)行了密度測(cè)量實(shí)驗(yàn)研究,并用matlab軟件對(duì)測(cè)量數(shù)據(jù)進(jìn)行了回歸擬合,建立了密度測(cè)量的方程,并對(duì)測(cè)量誤差作了分析,提出了進(jìn)一步減小誤差的途徑。
The multi-port measurement system has the widespread use in microwave measurement, the measurement of multi-port device with two-port vector network analyzer ( vna ) is researched . this paper analyzes the commonly used error models and calibration methods of vna, program a trl calibration procedure for two-port vna, and compare the tested data with the data from vna . the comparison show that the programmed trl calibration procedure is in the same accuracy as the vna 本文討論了兩端口矢量網(wǎng)絡(luò)分析儀常用的誤差模型和校準(zhǔn)方法,編制了兩端口矢量網(wǎng)絡(luò)分析儀基于trl校準(zhǔn)法的校準(zhǔn)程序,并把校準(zhǔn)后的測(cè)量結(jié)果和矢量網(wǎng)絡(luò)分析儀校準(zhǔn)后的測(cè)量數(shù)據(jù)做了比較,比較結(jié)果說(shuō)明編制的trl校準(zhǔn)程序校準(zhǔn)效果和矢量網(wǎng)絡(luò)分析儀校準(zhǔn)的效果相同。
This thesis describes in detail the design and implementation of the system software in vector network analyzer ( vna ), which mainly consists of the requirement analysis of the system software, the software structure analysis and detailed design, the key techniques utilized in the software design, the s-parameter algorithm as the core technique in vna, and software testing 論文詳細(xì)介紹了矢量網(wǎng)絡(luò)分析儀系統(tǒng)軟件的設(shè)計(jì)及實(shí)現(xiàn),主要內(nèi)容包括系統(tǒng)軟件的需求分析、總體軟件結(jié)構(gòu)設(shè)計(jì)以及詳細(xì)設(shè)計(jì)、軟件設(shè)計(jì)中的關(guān)鍵技術(shù)、矢量網(wǎng)絡(luò)分析儀的技術(shù)核心s參數(shù)算法、校準(zhǔn)補(bǔ)償以及軟件測(cè)試等。