vna中文是什么意思

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中文翻譯
造句

道式
視頻雜波分析儀
新聞社
越南通訊社
窄巷式

vna vector network analyzer 無線電引導(dǎo)網(wǎng)絡(luò)分析器，向量網(wǎng)絡(luò)分析器; 向量網(wǎng)絡(luò)分析器
vna virtual network architecture 虛擬網(wǎng)絡(luò)體系結(jié)構(gòu)
vn voice notification 語(yǔ)音通知
vn voice network 通話網(wǎng)絡(luò)
vnav cruise and path descent profile 垂直導(dǎo)航巡航和航徑下降剖面
vn voice messaging 語(yǔ)言通信
vnav switch 按鍵開關(guān)
vn virtual memory 虛擬存儲(chǔ)器
vnav vertical navigation 垂直導(dǎo)航
vn vietnam 越南（域名）

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例句與用法

Familiar with the application of equipment like spectrum , vna , etc
熟悉電子通信領(lǐng)域常用儀器（頻譜儀,矢量網(wǎng)絡(luò)分析儀）。
Vietnam ' s state - run vna news agency says mr . dung ' s comment followed a meeting monday with world bank president robert zoellick
官方的越南通訊社說，阮晉勇總理星期一在會(huì)見世界銀行行長(zhǎng)佐利克后做出上述評(píng)論。
The comparison between the vna test result with the test result of three - port test system show the test system is valid and the test result is accuracy
測(cè)試結(jié)果表明,三端口誤差模型、校準(zhǔn)方法和測(cè)試方法是正確可靠的。
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)。
Due to the incompletion of the hardware part , the system software simulation of the vna ' s measurement process verifies the stability of the system software and the feasibility of the software design
局限于硬件部分的尚未形成,通過對(duì)系統(tǒng)軟件設(shè)計(jì)軟件仿真進(jìn)行測(cè)量過程的模擬以及測(cè)試結(jié)果的驗(yàn)證,證明了系統(tǒng)軟件能夠平穩(wěn)運(yùn)行,設(shè)計(jì)合理。
Three - port error model is analyzed and the procedure for control , calibration , test and display of this system is programmed . three - port device with one port terminated with a 50ohm termination is tested with two - port vna
分析了三端口測(cè)量系統(tǒng)的誤差模型,編制了誤差模型的校準(zhǔn)程序和整個(gè)系統(tǒng)的測(cè)量程序,實(shí)現(xiàn)了控制、校準(zhǔn)、測(cè)量的自動(dòng)化。
The paper conducts a thorough research of the method and principles in vna measurement , and performs detailed requirement analysis of system software relying on the hardware architecture . based on the requirement analysis , a detailed layered design is put forward , which partitioned the system software as three parts : user interface , data processing , hardware interface along with pci communication
論文首先詳細(xì)研究了矢量網(wǎng)絡(luò)分析儀的測(cè)量方法和測(cè)量原理,然后基于硬件構(gòu)架對(duì)系統(tǒng)軟件進(jìn)行了詳細(xì)的需求分析,在需求分析的基礎(chǔ)上進(jìn)行了總體結(jié)構(gòu)設(shè)計(jì)以及詳細(xì)的分層設(shè)計(jì),把系統(tǒng)軟件的組成劃分為用戶控制界面、數(shù)據(jù)處理、硬件接口與pci通信三個(gè)部分。
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 measurement system can automatically control the movement of servo motor and communicate with vna through gpib bus to setup the measurement variable automatically , measure the phase of s parameter . it also can progress the measurement data on the background , display the results by graph data , store them in the data files
系統(tǒng)自動(dòng)控制伺服電機(jī)的運(yùn)行,對(duì)測(cè)試探頭完成指定的移動(dòng)定位;通過gpib總線與矢量網(wǎng)絡(luò)分析儀器通信,自動(dòng)完成相關(guān)測(cè)量參數(shù)的設(shè)置以及s參數(shù)的相位測(cè)量;對(duì)測(cè)得的數(shù)據(jù)進(jìn)行后臺(tái)處理,將結(jié)果以圖形、數(shù)據(jù)文件的方式顯示、保存。
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。