frequency converting circuit 中文意思是什麼
frequency converting circuit
解釋
變頻電路- frequency : n. 1. 屢次，頻仍，頻繁。2. （脈搏等的）次數，出現率；頻度；【物理學】頻率，周率。
- converting : 吹煉
- circuit : n 1 （某一范圍的）周邊一圈；巡迴，周遊；巡迴路線[區域]；迂路。2 巡迴審判（區）；巡迴律師會。3 【...
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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
壓頻轉換部分電路中根據實際情況採用了雙極性輸入方式；光纖隔離傳輸裝置的光發射部分電源採用了蓄電池供電，確保了主迴路與測試迴路的完全隔離；單片機測控部分採用了89c51單片機，擴充了外圍電路，通過串口向pc機傳送數據； pc機與單片機之間的串口通訊、波形繪制、數據管理等都採用了軟體delphi5 . 0編寫。該測試系統中預留了輸出口，可以對合成迴路中的主合閘開關、被試開關、輔助開關進行觸發，信號由單片機發出，控制部分採用了光電耦合隔離觸發的方法。軟體設計主要集中在對電流信號的數據採集、數據處理、數據傳送、人機界面、波形繪制和數據管理，軟體部分又可分為單片機和pc機程序設計兩大部分。 -
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 )
電流源電流信號的計算機測試系統包括傳感元件部分、壓頻轉換部分、光纖隔離傳輸部分、單片機測控部分以及pc機對採集數據的波形繪制與列印部分。 -
The signal collecting system of singlechip collects the signals from generator. the paper introduces the every part of the singlechip. the key component is a 8051cpu, its surrounding circuits include dc power source, simulating signal collecting circuit, digital signal collecting circuit, a / d converting circuit, clock generating circuit, counting frequency circuit, controlling circuit, communicating circuit, and some other circuits
前臺單片機採集系統完成對發電機組多信息量的採集，本文詳細介紹了電路設計，系統的核心器件為8051cpu ，其外圍電路包括電源電路、模擬信號採集電路、 a d轉換電路、數字信號採集電路、時鐘發生電路、測頻電路、控制電路、通訊電路等。 -
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於壓頻轉換技術的大電流測試系統，首先測量了直流電壓信號、工頻交流電壓信號，然後完成了對合成迴路中電流源電流信號的測試。
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