counting circuit 中文意思是什麼

counting circuit 解釋
計數電路
  • counting : n. 計算。 counting house 〈英國〉＝counting room 〈美國〉賬房；會計室；事務室。 counting overseer [witness] （投票的）唱票監察人。
  • 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 【...
  1. After that, the hardware circuit, especially some of the key parts, is investigated in detail. the following processes are also investigated in detail : empoldering the four fold - frequency subdivision 、 direction - judgment 、 counting and flip - latch of the data with vhdl ( very high speed integrated circuit hardware description language ) ; empoldering the serial interface and the data collection software in pc with borland c + + builder

    接下來詳細介紹了使用vhdl語言開發fpga晶元的細分、辨向、計數、鎖存以及串列傳輸處理等全部功能;用borlandc + + builder開發了pc機上的串列介面、數據採集軟體;設計並製作了fpga晶元及其外圍電路的電路板。
  2. Two pulse counting circuit

    雙脈沖計數電路
  3. In the design, we make use of two eda tools max + plus ii and protel99. because of the using of complex programmable logical device ( cpld ), we can keep untuched the original hard circuit in design and realization of counting card, so it inherited the advantage of its predecessor. in order to quantitatively analyze the performance of data acquisition system with fifo cache, we introduced the queueing theory to build mathematic model to test its quality

    在設計中藉助了max + plusii和protel99兩個eda設計軟體。由於採用了復雜可編程邏輯器件cpld ，使得在計數卡的設計和實現中不用更改原硬體電路，對原設計的優點有很好的繼承。在驗證系統改進性能時，引入排隊論建立了數學模型對系統的工作性能進行定量分析，證明其達到了設計要求。
  4. Although there have been many application instances in the field of input / output device technology, we need an specific project and technology route aimed at an given application. in this thesis, we combine the introduction and analysis of relative technology to describe the accomplishment of a coordinate collecting device which is based on incremental rotary encoder. this device is an specific device applied to collect the corrdinate displacement of ground image ’ s three - dimensional model created by full digital photogrammetric station. cpld chip and vhdl are applied in this device to carry out the following work : phase control of the electrical pulse created by incremental rotary encoder, counting the number of electrical pulse, controling the state of signal processing circuit, exchanging data between this circuit and pci control

    本文結合相關技術的介紹和分析，描述了一個基於增量式旋轉編碼器的坐標參量採集介面卡的實現，此介面卡是一種用於採集全數字攝影測量系統地面影像模型坐標位移量的專用設備，該設備採用cpld器件和vhdl語言實現增量式旋轉編碼器的脈沖信號鑒相和計數、信號處理部分的狀態控制以及和pci總線晶元ch365之間的數據交換和通信功能，同時該設備的驅動程序基於wdm模式，並且配置有結構良好的動態鏈接庫程序作為系統軟體和驅動程序之間的數據和控制交互中間介面，能夠方便地運行在windows98 / 2000 / xp操作系統平臺上，具有實時性強、工作穩定、通用性較好和性價比高等特點。
  5. 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。
  6. To ensure the precision of distance measuring, the high - speed laser driving circuit and the detect - amplifying circuit constituted by two class high - speed operational amplifiers are used in auto adaptive cruise - control system, and the laser flying time is measured by a sixteen bit ' s binary counter, whose counting frequency is 100 megahertz

    為保障測距精度，裝置採用高速激光器驅動電路和由兩級高速運算放大器構成的探測放大電路，並用一個計數脈沖頻率為100mhz的16位二進制計數器完成激光收發間隔時間的測量。
  7. The control system includes two modules, one named the input module which acquires data digitally, and the other, named the output module, controls the emission of the laser, the gating function of the single photon counting module ( spcm ) and the synchronization of the input and output modules. each of them uses a complex programmable logic device ( cpld ) as the core component, and is devided into three parts : the hardware circuit, the programming logic circuit and the software

    該控制系統主要包括控制單光子發射、單光子探測器、數據採集接收系統的輸出系統和數據採集系統兩個模塊，它們都採用復雜可編程邏輯器件cpld作為核心功能晶元，由硬體電路設計、晶元編程和高級軟體編程三部分組成。
  8. Variety of timing methods are analyzed and compared, then the scheme of this thesis is made. by combining the traditional counting method with time stretching method, the accuracy and resolution of timing circuit can be greatly improved

    基於對已知的幾種計時方法進行的分析和比較，本文選用傳統測量方法與時間線性展寬技術相結合的方法實現時間間隔的高精度測量。
  9. Wide - ranging improvement measures were recommended, covering the storage and safe custody of fare box keys, coin counting and accounting procedures, the design of the record cards, the custody of staff uniform, floor plans of the coin counting room and cashier office, not the least the installation of closed circuit televisions and monitors

    審查報告提出了一連串的改善建議，從錢箱鎖匙及箱膽的存放和保安數錢及入帳程序收入紀錄卡的設計職員制服的監管點數室及出納部的平面圖至閉路電視的裝置和監察等。
  10. Based on experimental results, this paper came up with a method to estimate the average dynamic power supply current by counting the weighting logical transitions in the circuit

    根據實驗結果，本文提出一種根據cmos電路中加權邏輯跳變數來估計整個電路平均動態電流大小的方法。
  11. In signal processing circuit, the key of our study, based on methods of mcu + cpld and a / d converter, a time interval measurement unit is done, in which an isp cpld counter is carried out to judge laser pulse for controlling counting and offering signal of time series and control, and a count quantization error measurement circuit which main ramp circuit and 12 bits a / d conversion circuit guarantees the resolution of system

    信號處理部分是本文研究的關鍵，採用mcu + cpld的設計方法和模數轉換技術構成時間間隔測量單元的理論基礎，其中用可在系統編程的cpld計數器實現了對循環光脈沖的判斷以開關計數，並提供計數量化誤差測量電路相應的時序和控制信號，用斜坡電路和12位a / d轉換電路完成對計數量化誤差的測量，保證了系統的解析度。
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