signal transfer function 中文意思是什麼

signal transfer function 解釋
信號傳遞函數
  • signal : n 1 信號，暗號；信號器。2 動機，導火線 （for）。3 預兆，徵象。adj 1 暗號的，作信號用的。2 顯著的...
  • transfer : n 1 移轉，轉送；調職；調任[轉學]證書；變換。2 （財產；權利等的）轉讓，讓與（證書），移轉，授受；...
  • function : n 1 功能，官能，機能，作用。2 〈常 pl 〉職務，職責。3 慶祝儀式；（盛大的）集會，宴會。4 【數學】...
  1. Superficially it is quite safe to phase advance an accelerometer signal as the error signal has been filtered by the servo and the alrframe transfer function.

    從表面上看，因為誤差信號已被伺服機構和彈體傳遞函數濾波，所以讓加速度計信號經相位超前網路是不會有問題的。
  2. The signal process function of the software include these function : digital filter, windowing, auto - correlation function and cross - correlation function, mean and variance, probability density function and probability distribution function statistic ; auto - power spectrum, cross - power spectrum, frequency response function, coherence function, cepstrum analysis based on fft ( fast fourier transfer ) ; joint time - frequency analysis based on stft ( short - time fourier transfer )

    軟體的處理功能包括：數字濾波、時域加窗、自相關與互相關處理、均值和方差計算、概率密度和概率分佈函數計算；在快速傅立葉變換（ fft ）基礎上計算自功率譜、互功率譜、頻率響應函數、相干函數、倒頻譜分析；基於短時傅立葉變換（ stft ）的聯合時頻分析等。
  3. We propose in this paper an evaluation method for the transient performance of das, through the period signal, by utilizing the much smaller difference than sampling period between the multi - periods of signal and the multi - sampling periods, getting shorter equivalent sampling period ( i. e. higher equivalent sampling rate ), which is derived from input signal period and sampling period, and then, the problem that how to get the transient performance of das has been solved. the transfer function of das is then evaluated and identified, and practical test results are also presented

    本文介紹一種方法，通過對其加載特定的周期性輸入信號，使用采樣周期的整數倍和信號周期整數倍間的微小偏差，獲得比實際采樣周期小得多的等效采樣周期，從而解決了數據採集系統瞬態響應特性的獲取問題；並進而獲得了數據採集系統傳遞函數的辨識和評價結果，實現了數據採集系統瞬態特性的總體評價。
  4. In this paper, a high integrated and intelligent digital dsp - spm system is developed based on the nspm6800 spm manufactured by the beijing zhongke mechanical & electrical equipment co. at present, the pc of spm system is burdened with not only sending and receiving data, but also disposing of image, which hinders the enhancement of speed of the system. in addition, as the function of spm is expanding, including tappingmode afm, efm, mfm, scm, etc, one hand, it amplifies the range of the application of spm, on the other hand it also means that the task of autocontrol and data transfer heavier. the advantages offered by the dsp compared to analog systems include considerable flexibility in the choice of the signal processing algorithm and greater ease in managing control parameters by the host computer, which are very important for the improvement of spm

    本課題以北京市中科機電設備公司的nspm - 6800型掃描探針顯微鏡為基礎，重新設計了以dsp為控制核心的控制系統，主要解決原系統存在的以下問題： （ 1 ） pc機既要實時控制數據的採集與發送，又要進行圖像的后處理，整個系統的實時性難以達到要求； （ 2 ）隨著spm功能的擴展，一方面包括輕敲式原子力顯微鏡、電場力、磁場力、掃描容場顯微鏡等技術在內的spm技術擴展了儀器的測試范圍和功能，另一方面也意味著自動控制量的增加和數據處理量的增加； （ 3 ） 16位a d 、 d a都採用的是購買的板卡，也通過isa槽插在pc機內，成本高，不利於擴展； （ 4 ）另外，數字板通過isa槽插在pc機內，易受于擾，而且給安裝帶來不便。
  5. This paper presents the means of obtaining the parameter of signal converter and formulas for achieving the value of every parameter through math illation. the design means for band - pass filter involved in this subject is discussed and particularly, the steps and formulas for designing butterworth band - pass filter are expounded and the transfer - function of band - pass filter used in this subject are also given

    通過神經網路的曲面擬合，很好地解決了本課題中所涉及的多個相互耦合的被測參數的解耦問題和標度變換問題，同常規s型非線性響應函數bp神經網路數據擬合相比，減小了計算量，節省了檢測系統在檢測過程中的計算時間，擬合結果表明。
  6. On the hh signal receiving cells, the function of hspg in hhn movement might be that it competes with ptc for binding of hhn, following the releasing from the disp, hhn binds to the hspg to prevent the hhn from being captured by the ptc, hence facilitate it ' s transfer to the more distantly located cells

    進一步結合運用flp frt系統，用缺損gfp蛋白的表達來標記純合的oxt突變基因克隆，針對眼睛成蟲盤的克隆分析結果表明，在oxt突變克隆中， hh下游的以蛋白的表達區域完全消失。
  7. The thesis first probably explains brushless direct current motor ( bldcm ), and discusses the related control methods, explains the background and meaning of back electromotive force ( back - emf ) which is used in the thesis. then the thesis expounds the basic component parts, the basic running principle, the running characteristic and transfer function of the bldcm. and then the thesis detailedly dissertates its research pivot : the simulation of bldcm system in matlab based on the method of back - emf and the control system of digital signal processor ( dsp ) based on the method of back - emf

    本文首先對無刷直流電機進行了概述，並對其相關控制方法進行了討論，說明本文所採用反電動勢法的背景和意義;接著論述了無刷直流電機基本組成環節、基本工作原理、運行特性和傳遞函數，然後是詳述本文研究的重點:基於反電動勢法的matlab調速系統的模擬以及基於反電動勢法的dsp控制系統的實現。
  8. Based on the compensated open - loop transfer function, the system stability at the small - signal perturbation and the system response to step signal are analyzed

    根據加入補償網路后的開環傳遞函數，分析了系統在小信號擾動時的穩定情況及系統對階躍信號的跟蹤能力。
  9. A filter whose transfer function is matched with the frequency spectrum function of input signal

    其傳遞函數與輸入信號的頻譜函數相匹配的一種濾波器。
  10. The features of pci local bus, signal definition, command definition, bus operation and the addendum of the pci local bus specification, revision2. 3 are introduced briefly at first. then the structure and function of plx pci 9656 pci bus mastering i / o accelerator are summarized including : pci 9656 ' s three data transfer modes ( direct master, direct slave, and dma ) and direct connection to three processor local bus types ( m mode, c mode. j mode )

    在簡要介紹了pci總線的特點、 pci總線的信號、命令和操作規范、 pci總線的配置空間以及有關最新pci總線規范pci2 . 3里的一些新增和修改的內容之後，本文概述了plx公司的pci總線專用控制器pci9656結構和功能，並介紹了pci9656的發起者、從設備、 dma三種工作模式以及m 、 c 、 j三種局部總線介面方式。
  11. The thesis aims to give a scheme of designing a 48 - channel collected seismic recorder based on pci bus, and a testing machine has been completed in the basis of the scheme. pci bus provides a high data transfer speed, which solve the problem of transfering a mass of data in a short period of time ; moreover, two assistant channels are provided to sample reference signal ; the function of data correlation in real - time is also provied in the software of the instrumental system

    論文論述了pci總線功能介面的實現和數據採集模塊的設計，給出了利用pci9054介面晶元設計pci介面的詳細過程，並利用driverstudio為pci數據採集系統編寫了設備驅動程序;在數據採集模塊的設計中，主要完成的工作有多通道數據採集、浮點放大以及系統的低噪聲設計，並利用cpld設計了整個系統的時序邏輯。
  12. Tele - conference, video - conference. acoustic echo cancellation is normally achieved by means of an acoustic echo canceller, which, in its simplest form, consists of an adaptive filter which mimics the transfer function of the echo path ( or room acoustic ) to synthesize a replica of the echo, and then subtracts the estimation from the combined echo and near - end speech ( or disturbance ) signal to obtain the near - end signal alone

    聲回波抵消通常採用聲回波抵消器來實現，最簡單的聲回波抵消器由自適應濾波器組成。具體方法是用自適應濾波器來估計回波信號，並從麥克風信號中減掉該估計值，從而實現聲回波的抵消。
  13. The thesis analyses the effect of phase shift control and the utilization of the transformers primary sides saturable inductor to the transformers secondary sides voltage duty cycle, and basic on the buck converter s small signal ac model the converter s model is deserved, and infers control to output transfer function

    論文通過分析移相控制方式和高頻變壓器一次側的飽和電感對高頻變壓器二次側方波電壓占空比的影響，在buck變換器小型號模型的基礎上建立了帶飽和電感的移相控制零電壓開關全橋變換器的小信號模型，推導出控制到輸出的小信號傳遞函數。
  14. And then the stability and the stable error response of the dpll are analyzed. there is an obvious doppler shift frequency offset in the received signal with flight at a high speed, in the dissertation the uniform sampling second - order dpll is used to remove the frequency bias for its excellent high - pass characteristic of the error transfer function

    由於高速飛行的遙測目標在接收信號中會出現較大的多普勒頻率分量，而典型均勻采樣二階數字鎖相環dpll （ digitalphase - lockedloop ）的誤差函數具有高通特性，所以本文提出一種利用其高通特性來去除多普勒頻率分量的新方法。
  15. Also both softswitch system structure and 3g communication system are based on ip - based packet - switch, signaling gateway as a important part in softswitch network, play a role of transfering ss7 signal message from ss7 signaling network to ip - based packet - switch network. firstly this paper introduce the development of telecom network and signaling transfer, and discussing the four layer structure of softswitch network ; based on this, educing the background of signaling gateway in next - generation - network ; also describes the ss7 signalling gateway structure, function and characteristic and protocol module ; then analyse the high availability implementation of signalling gateway

    本文首先從電信網路和信令傳輸發展出發，介紹了下一代網路演進，以及下一代網路的核心-軟交換網路結構的四個層次功能特點;從此引申出信令網關產生背景，簡單介紹了信令網關結構以及其功能特點;再對信令網關中主要協議模塊進行分析，並著重討論了信令網關高可靠性的幾種實現方式。
  16. It has the functions of collecting vibration signal power spectruiru cepstrum and transfer function analysis and so on with the pcl _ 1800. at the same time, the system can convert the data into the corresponding graph

    本系統是windows界面下的狀態監測與故障診斷系統，它在數據採集卡pcl1800的支持下，可以完成振動信號的數據採集以及功率譜、倒譜、譜陣和相干函數分析等功能。
  17. The accurately controlled signal source generates sinusoidal elastic wave accurately controlled in frequency and stable in phase to " illustrate " underground media. time signal stacker receive signal by stacking and doing fft to measure the transfer function of media. " sompi " cepstrum method retrieve group velocity travel times and decayed factors of wave element from observational data of transfer function in a limited frequency window

    精密可控震源用於產生頻率精確相位穩定的正弦彈性波以照射地層內部，信號疊加器通過對接收信號進行疊加和進行傅立葉變換的方式實現對介質傳遞函數的精密測量， 「存否」倒譜方法能夠根據一段窄帶頻域傳遞函數數據獲得時域上各個波成分的群速度傳播時間和介質衰減因子。
  18. The small - signal model in main circuit are built by using average circuit model. the relationship of each small signal and efficiency duty cycle are described completely. magnitude - frequency characteristics and phase - frequency characteristics of each main transfer function are got

    本文分析了全橋移相zvspwmdc - dc變換器的基本原理，運用平均等效電路法建立了主電路小信號模型，並詳細分析了各小信號變量與有效占空比之間的關系，得到了各主要傳遞函數的幅度和相位頻率特性。
  19. To make the system perfectly recur the ideal response, the input signal should be iteratively compensated. this paper studied the method of identifying the transfer function and the arithmetic to iterate the input. the results shows that the controlling measures adopted in the

    為了使系統的輸出能很好的復現期望的響應信號，本文研究了利用遠程參數控制對系統頻響函數辨識以及對驅動信號的迭代演算法，從理論上說明了該控制方法實施的可能性，為以後振動臺控制策略方面的研究打下了一個良好的基礎。
  20. Influence of alignment between input signal and line - array fiber - optic image bundles on the modulation transfer function

    輸入信號與線列光纖傳像束的位相匹配對調制傳遞函數的影響
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