例句與造句

1. Analysis on dynamic characteristics of voltage - frequency converter circuit
   電壓一頻率轉(zhuǎn)換電路的動(dòng)態(tài)特性分析及求解
2. A protective method based on voltage - frequency - converter and additional dc measuring the insulation between monitor wire and ground lines of hv double screen cable is developed and realized by analog and digital circuits
   通過(guò)分析6kv電纜絕緣監(jiān)視保護(hù)的特點(diǎn)，提出了在高壓電纜監(jiān)視線與接地線之間附加直流電源并利用v / f轉(zhuǎn)換實(shí)現(xiàn)監(jiān)視保護(hù)的新方法，設(shè)計(jì)了相應(yīng)的電路。
3. According to the test conditions , the double polarity inputting mode is adopted in the circuit of voltage - frequency converting part ; storage batteries are used in the optical emission part of optical fibre isolating and transmitting device , that can guarantee isolation between the main circuit and the testing system ; the 89c51 singlechip is used in the singlechip testing - controlling unit , the peripheral circuits are extended , data are transmitted through the serial port in this part ; the p opular software delphi5 . 0 is used in the pc part , the communication between singlechip and pc by serial port , plotting of current wave , regulation of data ; the optical - electrical isolating and triggering are used in the controlling part , this can guarantee the veracity and reliability of breakers triggered , this triggering mode is also used in the triggering of the main closing breaker , the tested breaker and the assistant breaker , the triggering signals are sent out by a singlechip
   壓頻轉(zhuǎn)換部分電路中根據(jù)實(shí)際情況采用了雙極性輸入方式；光纖隔離傳輸裝置的光發(fā)射部分電源采用了蓄電池供電，確保了主回路與測(cè)試回路的完全隔離；單片機(jī)測(cè)控部分采用了89c51單片機(jī)，擴(kuò)充了外圍電路，通過(guò)串口向pc機(jī)傳送數(shù)據(jù)； pc機(jī)與單片機(jī)之間的串口通訊、波形繪制、數(shù)據(jù)管理等都采用了軟件delphi5 . 0編寫。該測(cè)試系統(tǒng)中預(yù)留了輸出口，可以對(duì)合成回路中的主合閘開關(guān)、被試開關(guān)、輔助開關(guān)進(jìn)行觸發(fā)，信號(hào)由單片機(jī)發(fā)出，控制部分采用了光電耦合隔離觸發(fā)的方法。軟件設(shè)計(jì)主要集中在對(duì)電流信號(hào)的數(shù)據(jù)采集、數(shù)據(jù)處理、數(shù)據(jù)傳送、人機(jī)界面、波形繪制和數(shù)據(jù)管理，軟件部分又可分為單片機(jī)和pc機(jī)程序設(shè)計(jì)兩大部分。
4. The whole large current testing system based on voltage - frequency converting technique has been finished in this paper , and the dc voltage signals , power frequency ac voltage signals are tested by this computer - testing system , the results are good , then the current of current - source in the synthetic circuit are tested by this computer - testing system
   本文完成了一整套基于壓頻轉(zhuǎn)換技術(shù)的大電流測(cè)試系統(tǒng)，首先測(cè)量了直流電壓信號(hào)、工頻交流電壓信號(hào)，然后完成了對(duì)合成回路中電流源電流信號(hào)的測(cè)試。
5. In the computer - testing system of current signal measurement of current - source in synthetic circuit , the following contents are included , such as voltage - frequency converting technique , optical fibre isolating and transmitting technique , singlechip testing and controlling , plotting and printing of sampled data on pc ( personal computer )
   電流源電流信號(hào)的計(jì)算機(jī)測(cè)試系統(tǒng)包括傳感元件部分、壓頻轉(zhuǎn)換部分、光纖隔離傳輸部分、單片機(jī)測(cè)控部分以及pc機(jī)對(duì)采集數(shù)據(jù)的波形繪制與打印部分。
6. It's difficult to find voltage-frequency in a sentence. 用voltage-frequency造句挺難的