電路常數 的英文怎麼說
中文拼音 [diànlùchángshǔ]
電路常數
英文
circuit connstant-
In this thesis, the author analyses the deficiency in detecting and controlling function of the computer detecting and controlling system utilized in present transforming station. the strategy of design of software on operation and direction of 5 00kv transformer station is presented. it points out that we can deduce the mathematic analytical formula using the current, voltage and power of two terminals of transmission line as input. on this basis, we do realtime calculation of 500kv transmission line ' s parameter. we can also deduce the linear analytical formula of three - winding autotransformer ' s resistence using its current, voltage and power as input. the corresponding software is programmed on this basis
論文提出以輸電線路本端和對端電流、電壓、功率作為輸入量，導出了超高壓長線的波阻抗和傳播常數的數學解析式，在此基礎上進行了500kv輸電線路實時參數計算；提出以三繞組自耦變壓器的電流、電壓、功率為輸入量，導出了自耦變壓器繞組的電阻、電抗的線性解析式並進而對變壓器的實時參數進行計算；在此基礎上編制了相應的軟體。Fast time constant
快速時間常數電路The digital integrated circuits are classified into five major categories, often called "families".
數字集成電路主要有五種類型，通常又稱為系列。Motion controller composed of general chip series is developed and quadruple differential circuit utilizing dual monostable multivibrators with schmitt trigger inputs and dual 4 _ line to l _ line data selectors or multiplexers is put forward
本論文研製了一種用常規晶元系列組成的運動控制器，提出了採用單穩態多諧振蕩器和數據選擇器的四倍頻辨向電路。The current, however, decays rapidly since the circuit has a small time constant.
但是，因為電路具有很小的時間常數，所以這電流又迅速減小。Time constant of circuit transition transient
電路暫態過程的時間常數At present, the typic harmful current detection methods are the fast fourier transform algorithm in frequency domain and methods based on the instantaneous reactive power theory, these methods all require some transform and quick, real - time calculating, so high precision analog multipliers or high speed dsp chip with fast a / d are needed, this results in complex circuit and high cost ， which have restricted the development of apf
目前畸變電流檢測常用的方法有頻域法的fft和基於瞬時無功理論的畸變電流檢測法。這些方法均有一定的變換，需要快速、實時運算，因此必須使用高速的數字微處理器和高性能a / d轉換器，這必將大大提高系統成本，使得電路結構復雜，在一定程度上限制了有源濾波器的發展。Texas instruments incorporated, “ understanding buck - boost power stages in switchmode power supplies ”, march 1999
宋自恆、林慶仁」功率因數修正電路之原理與常用元件規格」 ，新電子科技雜志第217期， 2004年4月號。Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter
硬體電路的設計主要分三大部分來實現：激勵源電路部分，由分頻電路和頻率合成電路組成，產生頻率穩定的激勵信號以確保檢測任務的正常進行；傳感器變換電路部分，由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成，主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號，易於后續電路處理；由dsp晶元構成的微處理系統，主要完成檢測系統的數據擬合、顯示及與主機通信等功能。In front of the a / d converter in an analog conversion system is usually located a sample - and - hold circuit
在模擬量轉換系統中在模/數轉換器的前端通常都會有一個采樣-保持電路。A common short form used for " hybrid circuit " and " hybrid network " mainly in the plural
通常以復數形式作為「混合電路」和「混合網路」的縮寫。A common short form used for “ hybrid circuit ” and “ hybrid network ” mainly in the plural
通常以復數形式作為「混合電路」和「混合網路」的縮寫。With the development of computer and network, and the rise of email, identity authentication has already haven new applied domains. for example, in the application of network and database, different users possess different warranties, and computers have no human beings " identification ability. hence, identity authentication becomes an insurmountable, but must be solved problem
隨著計算機和網路的發展、電子郵件的興起，身份認證又有了新的應用領域，例如，在網路和數據庫等計算機應用中，不同用戶擁有不同的權力，而計算機又不具備人的辨識能力，更何況它常常不能直面用戶，所以身份認證就成為一個難以解決但又必需解決的問題。The g2 adjustment is a service or factory level adjustment, normally only done at the factory or at installation, which adjusts the bias current for each tube individually so that they all come on at the same time
每一隻投影管都需要一定量的偏置電流才能夠正常工作，然而，每隻管及其相應的電路參數都會有些差異，因此所需的偏置電流也不太一樣。A control pulse transmitted to a gate or other digital device to release data at a precise instant, usually by the cpu
一種控制脈沖，通常由cpu在某個準確時間傳輸到門電路或其它數字設備以釋放數據。Malfunctions can be diagnosed using infrared thermography without affecting the work state of tested equipments, thus the diagnostic accuracy can be improved. infrared thermography, just as often, improves electronic fault diagnosis by isolating the malfunction to specific areas of the circuit board, what is more, it usually does point directly to the failing component. thermography even can rapidly diagnose up to hundreds of elements on one pcb at one time, without requiring the operator to know the circuit principle very well, which can reduce the workload greatly
紅外故障檢測儀可以對電子設備進行在線測量，檢測時不會影響待測設備的正常工作和頻率特性，這對高頻電路的檢測尤其方便，且能提高診斷的準確性;他通常能指出電路板上的故障區域，甚至經常能直接找出故障元器件，這樣就提高了維修質量;並且能在不需要檢測人員對電路原理有深入理解和分析的情況下，對同一塊電路板上的數十隻甚至數百隻器件同時進行快速診斷，這就大大減少了維修人員的工作量，提高了維修人員的工作效率。Complex programmable logic device ( cpld ), usually used to develop asic, is widely used in digital system to accomplish complex combinational and sequential logic
復雜的可編程邏輯器件（ cpld ）廣泛地用於數字系統中，常用作設計自己的專用集成電路，可實現復雜的組合邏輯和時序邏輯。The commonly used designing flow and basic technology of integrated circuit, such as the cell layout, synthesis, simulation, fpga verification, automatic layout & routing of the digital circuit, are introduced and analyzed in detail. the layout designing and simulation of the analog circuit are also introduced and analyzed in detail
論文對集成電路常用設計流程和基本技術作了詳細介紹和分析，其中包括數字電路的基本單元版圖、綜合、模擬、 fpga驗證和自動布局布線，也包括常用模擬電路的版圖設計和模擬。Based on the commonly used integrated circuit designing flow, the digital and analog portions of a lcd ( liquid crystal display ) driving circuit are designed
根據集成電路常用設計流程，對一種lcd （液晶顯示）驅動電路晶元的數字電路和模擬電路進行設計。Unwanted electrical energy in a circuit that is unrelated to the desired signal, s - ources of noise are most often generated by some type of switching circuit, common sources include switching voltage regulators and clocked sighals such as digitol crcuits
指在一電路中與所要訊號無關的多餘電能，雜訊的來源通常為某些形式的切換電路，常見的雜訊為切換式電壓，調整器及時脈訊號，如一些數位電路。分享友人