輸入信號設計 的英文怎麼說

中文拼音 [shūrùxìnháoshèjì]
輸入信號設計 英文
input signal design
  • 輸 : Ⅰ動詞1 （運輸; 運送） transport; convey 2 [書面語] （捐獻） contribute money; donate 3 （失敗） l...
  • 入 : Ⅰ動詞1 （進來或進去） enter 2 （參加） join; be admitted into; become a member of 3 （合乎） conf...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 設 : Ⅰ動詞1 （設立; 布置） set up; establish; found 2 （籌劃） work out : 設計陷害 plot a frame up; fr...
  • 計 : Ⅰ動詞1 （計算） count; compute; calculate; number 2 （設想; 打算） plan; plot Ⅱ名詞1 （測量或計算...
  • 輸入 : 1 （從外部送到內部） import 2 [電學] input; entry; entering; in fan; fan in; 輸入變壓器 input tra...
  • 設計 : devise; project; plan; design; excogitation; layout; layout work; styling
  1. Contrapose to the instability of the third - order charge - pump pll system, the loop optimization method is employed in system level design to decide the bandwidth and phase margin, therefore the loop bandwidth locates at the maximum phase margin to guarantee the stability of the system. according to tsmc 0. 35 m sige bicmos model, the sub - circuits in the designed pll and the whole system are simulated and verified by the cadence spectre

    5 .根據tsmc0 . 35 msigebicmos工藝模型，利用cadencespectre模擬軟體對所設計的電荷泵鎖相環路中各個模塊及整個系統進行了模擬模擬，模擬結果顯示，在1 . 5v電源電壓下，頻率為200mhz的參考輸入信號，輸出中心頻率為800mhz ，分頻電路採用4分頻，環路帶寬為10mhz ，捕獲時間大約為0 . 92 s ，功耗大約為15mw ，達到了設計指標。
  2. In the present design, step inputs are restricted to a few tenths of millivolt

    在目前這個設計中，階躍輸入信號限制在零點幾毫伏以下
  3. At present, the most of vtr which are used in watch - control occasion for speciality are short of a uniform control - check - alarm system, which brings on the discommodiousness of operation and the user can not know the time of occurring a fault, which reduces the reliability of the watch - control system. therefor, at first, i carefully analyze the servo theory of the vtr which had been produced by chmavc with k mechanism to find out the work rule of the control signal ; second, take out some right control signal ; then for dealing with the problem of vtr in use for watch - control, i choose some right components to design the uniform control system for many special vtr with protel software. it mainly includes the following functions : operation functions of all vtr ( for example : power, play, ff, rew, stop, rec, eject, fwd, rwd, sp, lp ) was controlled by line at the same time ; in, the process of recording, when the tape walks to the end or stops by itself, the system gives an alarm and shows the number of the wrong vtr ; in the process of recording, the system gives an alarm and shows the number of the wrong vtr when the video signal from vidicon is losed ; the system controls all vtr to record on the non - working time when there is something wrong in the guarding section ; the system controls the video from vtr to switch to right monitor

    目前，用在監控場合的業務用錄像機普遍缺乏一個統一的控制及檢測報警系統，這就導致了操作的不方便和出現了故障用戶不知道，降低了監控系統的可靠性，為此，我首先對華錄松下生產的k機芯的錄像機伺服原理進行仔細分析，找出各個伺服控制信號的控制變化規律；然後從中選出合適的控制信號；針對目前錄像機在實際監控使用過程中存在的問題，選用合適的元器件；運用protel繪圖軟體，設計了這個多臺業務用錄像機的統一控制系統，她主要包括以下功能：錄像機操作功能（如power play ff rew stop rec eject及正尋反尋帶速設定等）的統一線控控制功能；磁帶在記錄過程中，磁帶到頭和磁帶自己「偷停」的報警，並要能顯示出具體是哪一臺錄像機；在記錄狀態下，攝像頭輸入信號丟失報警，並要能顯示出具體是哪一臺錄像機；在休息或其他不需要記錄時，一旦警戒區有情況，則控制所有機器自動進入錄像狀態的功能；從錄像機輸出的監控圖像信號對監視器的切換功能。
  4. In the part of the transmitter, the pre - amplifier logarithmic amplifier, temperature complement circuit, anti - disturbing circuit, and v / i circuit, are discussed. the transmitter outputs 4 - 20ma. in the part of the displayer hardware design, the i / v convert circuit and the flame intensity signal processing circuit are introduced

    在探頭的設計中，詳細介紹了前置對數放大器電路設計，在對數放大器加入了溫度補償電路和抗干擾電路，以保證測量精度和較大的量程，最後信號經電壓電流的轉換，得到4 - 20ma的標準信號作為探頭的輸出信號，進行遠傳。
  5. This paper mainly focuses on the noise limiting by means of the direct sequence spread spectrum ( dsss ) and the analysis of the transmission performance of the plc and some digital modulation technology. the contents of the paper is as follows : 1 ) the technical feasibility is proved after simulating noise limiting principle of dsss by means of systemview, the simulation software ; 2 ) a kind of band pass filter ( bpf ) is realized according to the requirement of filter and the principle of butterworth approximation, which satisfies the index of performance of dsss. 3 ) the low voltage plc system includes the sc1128, the specific modulation / demodulation ic, the bpf filter and other circuit components, furthermore, the control function of system is realized by means of the personal computer and the microcontroller

    本課題在對低壓電力線的傳輸特性和數字調制技術進行分析的基礎上，將通信理論中的直接序列擴頻技術（ dsss ）用於解決低壓電力線通信的干擾問題，主要研究內容如下： （ 1 ）用通信模擬軟體systemview對dsss技術的通信和抗干擾原理進行模擬分析，分別對時域和頻域下採用dsss技術前後接收信號的頻譜進行分析，驗證dsss技術在本系統中的可行性； （ 2 ）由dsss技術對濾波系統的要求，根據濾波理論分析了巴特沃思型濾波器的逼近原理並設計了合適的濾波電路； （ 3 ）用調制解調晶元sc1128和自行設計的濾波器加之輔助外圍電路，構造出低壓電力線載波通信系統，並採用atmel公司的單片機設計了接收和發射電路的微控制器； （ 4 ）分別對採取抗干擾措施前後輸入和輸出信號進行對比實驗，並對結果進行分析，驗證了dsss技術對干擾信號的抑制作用。
  6. Their pd signals are measured and measured cables are anatomized to observe their discharging trace. implement of picking - up character and mode classifying are introduced, and expatiate the principle of artificial neural networks. soft program is necessary to pick - up the character of pd signals and classify pd mode

    論文介紹了由特徵量提取器和模式識別分類器兩大模塊構成的模式識別系統，闡述了人工神經網路的模式識別原理，本文一方面採用信號的prpd模式的放電次數和統計運算元作為bpnn的輸入信號，設計了相應的bpnn模式識別程序；另一方面採用prpd模式的統計運算元作為sart人工神經網路的輸入，設計了相應的sart神經網路模式識別程序。
  7. The digitizer based on pxi bus uses fpga ( field programmable gate array ) to implement 256 points, radix - 2 dit fft ( fast fourier transform algorithm ). the design uses pipelining for fft processing and can accomplish sampling and processing signals of two channels at the same time. in the signal acquisition circuit, - a / d convector is used to enhance the precision of the signal sampling

    在本設計中，採用fpga （ fieldprogrammablegatearray ）實現了256點基2dit演算法復數fft （ fastfouriertransformalgorithm快速傅氏變換演算法）處理器，具有較高的速度和運算精度fft ，設計採用流水線處理方式大大的提高了處理速度，可實現對兩個通道輸入信號的并行採集與處理。
  8. Thirdly, the range switch circuit and filter circuit are designed in the analog input channel. to realize the safe high speed acquisition, the interface circuits are separated from the function circuits, and the isolation power with high performance and digital isolator is used to restrain the common mode disturb and noise of the input

    3 .模擬輸入通道設計有量程切換電路和濾波電路，並且採用了屏蔽、浮置技術和磁耦隔離技術，使用了高性能的隔離電源和磁電耦合器，有效地抑制了輸入信號的共模干擾和噪聲，實現了安全、高速的數據採集。
  9. A testbench program is edited to simulate the behavior of the fifo. after the software simulation is accomplished, a real hardware circuit is designed to multiplex two data channels ( 1553b data channel and 1394 data channel ) according to ccsds standard. during the experiment and hardware debugging, the output logic of the fpga is checked up

    設計中，用vhdl語言對高速復接器進行行為級建模，為了驗證這個模型，首先使用軟體進行模擬，通過編寫testbench程序模擬fifo的動作特點，對程序輸入信號進行模擬，在軟體邏輯模擬取得預期結果后，繼續設計硬體電路，設計出的實際電路實現了將來自兩個不同速率的信源數據（ 1394總線數據和1553b總線數據）復接成一路符合ccsds協議的位流業務數據。
  10. In the first part of this paper, the theory of laser range and dds technology was introduced, the factors of influencing range precision were also analysed. at the same time, put forward in the paper, with using the fpga embedded technology, the wideband and high resolution sin modulating signals can be generated easily, then analysed the noise of the dds ; in the second part, the theory of phase measurement based on fft was analysed. in the phase range system, by using the fft operation, the resolution and sensibility of phase measurement can be enhanced ; then some circuits were designed and come true, also simulated and validated ; in last part, the improvement of the phase range system was brought forward, summarized and expected

    論文首先闡述了激光測距和調制信號源的基本原理，分析了影響測距精度的因素，指出應用dds技術可以實現寬帶、高精度的調制信號輸出，說明了引起dds輸出信號雜散的原因和解決的辦法;同時分析了應用fft運算實現信號相位提取的基本原理及設計方法，採用這種檢相技術，可以極大地提高測相精度與靈敏度;然後提出了基於fpga嵌入式系統的相位式激光測距機的整體設計，並就各部分進行了詳細的分析與設計;接著介紹了激光測距系統的外圍電路和基於quartusii集成軟體平臺的部分硬體電路的設計，並對其中的設計進行了模擬和驗證;最後總結提出了對系統今後的進一步改進和完善的思路。
  11. Abstract : this paper gives a design method of servo systems input signal, which is based on exact requires of stepping servo systems and combining of traditional form of input signal. it can be easily realiaed by computers and flexiable adjusted by users. the authentication of this approach is also given

    文摘:在基於步進化伺服系統輸入信號的實際需求，結合傳統伺服系統輸入形式，採用曲線擬合的方法，提出一種既便於計算機實現，又可靈活調整的輸入信號設計方法，並給出相關的證明。
  12. What ' s more, the methods of using external code in labview are elaborated. in addition, an input - optimizing design method is put forward. the simulation result shows that this algorithm produces a marked effect finally, a new design of the control system of adjustable pressure casting is proposed

    然後，提出一種在測試計算機實現的輸入信號設計演算法，對輸入的期望信號進行處理，在不增加控製程序計算量和控制迴路周期時間的前提下，使系統的實際輸出符合設計要求。
  13. The x47 phase - detector is an analog integrated circuit produced by the 24th institute of the information industry department. the main function of x47 phase - detector is to detect the difference of phases of its two input signals. but it ? erformance can not be analyzed by directly using the orcad / pspice9 ? - - - - a world - wide well known general purpose simulation software, and all circuits and systems using this kind of phase detector can not be directly simulated by orcad / pspice9 either

    X47鑒相器是信息產業部第24研究所設計生產的一種模擬集成電路，用於鑒別兩路輸入信號的相位，但是卻不能直接用通用的電路模擬軟體orcad pspice9分析其性能，使用x47鑒相器的電路和系統也不能直接用orcad pspice9進行模擬。
  14. In hardware design, an integrated multi - center a / d chip is for input signal conversion, cpld and arm empu are the core of fault diagnosis system and information processing. host computer is connected with the system through network technology - which owns certain advantages such as wide range of input signal, powerful processing ability and low power consumption ; also it can be extended as a remote portable terminal

    在硬體設計上，採用集成多通道a / d轉換晶元完成輸入信號的轉換，使用大規模可編程邏輯器件和高性能嵌入式處理器作為故障診斷系統控制和信息處理的核心，採用網路技術實現診斷系統與主機的連接，系統具有前端輸入信號范圍寬，處理能力強，功耗低，可擴展為遠程診斷系統便攜式終端等優點。
  15. Meanwhile, in this paper, the author also designed the processing circuit of mr displacement sensor, the circuit amplifies output signal of the sensor chip and shapes it into rectangle wave, which serves as the input signal of the counter and data acquisition card

    同時本文也對mr位移傳感器的信號處理電路進行了分析與設計。把傳感器晶元輸出的正弦信號放大濾波處理為矩形波信號，作為計數器和數據採集卡輸入信號。
  16. The " vxibus synchronous data acquisition module " presented in this dissertation supports real - time synchronous acquisition, storage and processing of the multi - channel inputs

    本文設計的vxi同步數據採集模塊是一種支持多個通道以同步的方式對輸入信號進行實時採集、存儲和處理的測量模塊。
  17. Especially it allows various types of interruptions of external digital input, timer output and a / d conversion, each type of interruption has its own role in the signal measurement or in exact pace control, its fifo buffer function makes it possible to work at the sampling rate of 200k samples per second without carrying over - burden interruption rate, its latch type external interrupt request along with its high frequency clock makes a precise locating of pulse edges possible

    該控制系統在工作過程中，有多種產生於不同部件的信號需要檢測，其中有模擬輸入信號十三路，數字輸入信號三路，通過數據採集和信號分析，判斷該控制系統工作是否正常。結合系統檢測的具體要求，本論文從硬體設計和軟體設計兩個方面，實現了數據採集系統的硬體介面電路和軟體演算法。
  18. It is necessary that the receiver tracks the acquired signals steadily and credibly to ensure the successful demodulation process. in this thesis, an improved tracking loop design method is presented which adopts self - adaptation parameters and varied bandwidth tracking technique to adapt to the input signals, and improves the acquisition and tracking performance

    接收機穩定可靠地跟蹤被捕獲信號保證成功解調是必要的，本文介紹一種改善的鎖相環設計方法，這種方法採用自適應參數和變帶寬跟蹤技術來調整輸入信號改善捕獲和跟蹤性能。
  19. Software design adopts module designing method. program modules includes control algorithm module, main nine - points control program module, data acquisition module, output signal module and communication interface module etc

    軟體設計採用模塊化設計方法，包括九點控制器演算法、主控程序、輸入信號采樣、輸出信號和通信介面等模塊。
  20. The main design work as follow : four biomedical analog signals input channels " design ; the design of at89c51 microprocessor system which can change the sampling rate ; the dma interfacing circuit design by which the sampling data enter the computer ; the interfacing circuit design between pc and signal amplifier, and the reliability and anti - interference design of this system, etc

    具體設計內容包括：四路生物醫學模擬信號輸入通道設計；以at89c51為核心的可實現采樣速率程式控制調整的微處理器系統設計；采樣數據進入pc機的dma介面電路設計； pc機與生物信號放大器之間聯系的介面電路設計；以及系統的可靠性和抗干擾設計等。
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