high-c circuit 中文意思是什麼

high-c circuit 解釋
大電容電路
  • high : adj 1 高的〈指物,形容人的身高用 tall〉;高處的;高地的。2 高級的,高等的,高位的,重要的。3 高尚...
  • c :
  • 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. We developed the power system of electric drill based on dc - ac. the system use the technique of spwm frequency cowersation control. it changed th d. c provided by trolly wire of d. c motor into stable a. c adopted igbt and driving circuit adopted high speed module of exb840

    針對當前我國煤礦電鉆電源的使用現狀,提出研製dc - ac變換的電鉆電源系統,該電源系統直接利用spwm變頻控制技術,將井下直流電機車的架空線所提供的直流電轉變成頻率是50hz的1 . 27v的穩定交流電。
  2. 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。
  3. In this paper, they are set forth at first that the kinds of computer - simulation of electronic devices, the development and the requirements of mosfet ' s model and the way of gain the models " parameters, the dc models have been bui it in chapter 2 and the models of big signals have been deduced in chapter 3, they are different from the equivalent circuit models in the traditional software pspice that they come from the numer i ca i - s i mu i at i on wh i ch is based on the essence equat i on, so the precision of simulation is enhanced ? mosfet ' s small signal models of low frequency, intermediate frequency and high frequency have been built in chapter 4 and chapter 5, although the equivalent circuit models in pspice are used for reference to bui id them, they have their own characteristics which are analyzed at a i i kinds of situations, so that the simulation software for mosfet can be written according them and it i s a i so benef i c i a i for us to catch the gen i us character i st i cs of mosfet and to d esign all kinds of applicable devices the correctness of the models is simply proved in chapter 6

    本文首先介紹了電子器件計算機模擬的分類、 mosfet的建模發展動態、對器件模型的要求以及模型參數的提取方法。在第二章中建立了mos晶體管在直流端電壓條件下的工作模型;第三章推導了mosfet的大信號模型,這兩類模型不同於傳統模擬軟體例如pspice中的等效電路模型,而是從模型方程出發,採用數值模擬的方法,提高了模擬的精度。第四章和第五章分別建立了mos晶體管低頻、中頻、高頻的小信號模型,雖然借鑒了pspice模擬軟體中用等效電路模型的方法,但是本文分別討論了準靜態和非準靜態時器件的本徵部分以及包含非本徵部分工作于低頻、中頻和高頻條件時的模型,可以根據這些模型編寫相應的模擬軟體,這樣在做器件的模擬分析與器件設計的時候,就可以利用模擬軟體逐步深入地分析器件在不同的條件下和器件的不同部分在工作時的各種小信號特性,有利於抓住器件工作的本質特性,設計出符合要求的各類通用和特殊器件。
  4. Application of r - c dry ultra - high - voltage absorb device to high voltage vacuum circuit breaker

    乾式過電壓吸收器在高壓真空斷路器中的應用
  5. The paper introduces these technologies as fellows : ( 1 ) the overview of virtual instrument ( 2 ) pci bus protocols and specifications ( 3 ) hardware section analogue signal conditioning circuit high speed a / d conversion circuit fpga circuit pci bus interfacing circuit ( 4 ) software section visual c + + programing hardware driver programing vhdl programing ( 5 ) the method and result of system test

    論文從以下幾個方面進行了闡述: ( 1 )虛擬儀器概述( 2 ) pci的協議規范( 3 )硬體電路設計模擬信號調理電路設計高速a d轉換電路設計fpga電路設計pci介面設計( 4 )軟體設計visualc + +編程設計底層驅動軟體編寫設計vhdl編程設計( 5 )系統調試方法和結果
  6. A. c. high - voltage switchgear and control gear. three - pole circuit - breakers. characteristics

    交流電用高壓設備.三極斷路器.特性
  7. With performance of up to 900 million floating - point operations per second ( mflops ) at a clock rate of 150 mhz, tms320c6711 is fit to tackle with the problem. this thesis made a deep research on the h. 263 standard and the tms320c6711. we propose the plan of the software and the hardware for the realization of the h. 263 protocol which include the structure of the whole program, the c code of the key algorithm of the h. 263, the c code of some subprogram, and the circuit for image processing with the tms320c6711 as the processor. furthermore, we optimize some subprogram in common use to make the coding more quickly. we encode a video sequence with the tms320c6711dsk successfully, even if the compression rate is as high as 100, video effect we get after decoding the code stream is satisfying

    首先系統地研究了h . 263協議編碼器的基本演算法,句法,碼流結構和tms320c6711dsk的原理結構以及ccs2 . 0的開發環境;在系統的軟體方面給出了總體流程圖,對于h . 263協議編碼器的某些核心演算法和子程序,給出了部分源代碼,對于dsp的各種代碼優化方法進行了討論,並且對代碼進行優化,從而在提高系統處理速度的同時減少代碼大小和內存需求量;硬體方面以tms320c6711為核心處理器,提出了基於tms320c6711的圖像處理平臺的硬體實現方案,並給出了原理電路圖;最後在tms320c6711dsk上成功對視頻數據進行高壓縮比( 100倍以上)的編碼,對回傳的結果解碼后得到了令人滿意的效果。
  8. The vxibus c - size and i, q channels are employed in this module design, and the sampling rate in each channel reaches 500mhz. the memoty deep of the system is 2mb each channel and cpu is high - speed embedded cpu ( powerpc ). the timing and logic function are fulfilled by fpga. after the disscusion of signal adjusted, the detailed scheme of this module design have been showed. in this design, there is much logic function design, and it is very strict with the hardware language program. so the basic flow of hardware program design and several very important methods of high speed logic function design, which is described by vhdl, are introduced. also, expatiated the inner modules structure of fpga for forepart circuit, the keystone and difficulties of the design. the design of high - speed pcb is another difficuty of realizing high - speed data acquisition system, and it is very important. the timing simulating results of several pivotal modules are depicted. high - speed signal paths are terminated to match the characteristic impedance. the design undergoes integrity analysis and software simulation

    在本模塊的設計中,有著大量的邏輯設計,對硬體語言程序的編寫要求比較高,因此,文中介紹了硬體程序設計的基本流程,以及幾種基於vhdl硬體語言設計在高速邏輯設計中非常重要的方法。同時闡述了本模塊設計的前端fpga的內部模塊結構,設計的重點、難點,並給出了重要模塊的時序模擬結果。高速pcb的設計也是目前實現高速數據採集系統的難點和重點,文中詳細的闡明了高速pcb設計中的注意點,以及作者在設計本模塊時的經驗和心得。
  9. In the seventh chapter, some of the above proposed new circuit, such as high frequency, high definition 12 - bit, 80mhz samples / s current - steering dac and fully differential r - mosfet - c bessel filter with accurate group delay, high accuracy bandgap reference and high drive capability cmos operational amplifier have been applied in communication gsm baseband i / o port integrated circuit, all the above blocks meet well with the design requirements of the system, and gain the better testing results, in the mean time, the above proposed high accuracy bandgap reference circuit als

    第七章:將本文第二章提出的高速、高精度12位、 80mhz采樣率電流舵結構的數模轉換器和第五章提出的r一mosfet一c結構且具有精確群時延值的貝塞爾( bessel )濾波器以及第六章提出的高精度帶隙基準電壓源和高驅動能力全差分運算放大器電路應用於通信gsm基帶輸入/輸出埠晶元,滿足系統設計要求並取得了令人滿意的實測結果。
  10. We have developed a tool suite using c / c + + language on sun ultra60 workstation - ir drop 2003. it can be used to accomplish the analysis of power grid integrity with high speed. this tool suite consists of five components : tools for power grid parameter extraction, tools for enhanced circuit ' s partition, two steps reduction, the fast circuit solver and a plotter

    我們用c c + +語言在sunultra60工作站上實現了一套改進的快速電源網格完整性分析驗證集成工具包? ? irdrop2003 ,該工具包括五部分:電源網格提取工具,改進的劃分電路工具,兩重壓縮器,電路快速求解引擎和友好的圖形顯示界面。
  11. Water in the primary circuit is maintained at a high temperature of over 300 degree c under high pressure of above 150 bars to prevent it from boiling

    在運作期間,一迴路的水溫會高達攝氏300度以上,並保持150巴以上的高壓,以防沸騰。
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