計時信號 的英文怎麼說

中文拼音 [jìshíxìnháo]
計時信號 英文
timing signal
  • 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...
  • 時 : shí］Ⅰ名1 （比較長的一段時間）time; times; days:當時at that time; in those days; 古時 ancient tim...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 計時 : reckon by time; timing; chronography
  1. With the correlation technique, direction and speed of the infrasound can be calculated by computing the time delay of each detector and by using geometric knowledge

    利用互相關技術，計算信號在不同傳感器上的時間延遲，再由平面幾何原理，得到波的方位和波速。
  2. The research of multipath parameter estimation algorithms and accomplishing them with software. to estimate multipath parameters, multipath delays must be estimated by code filtering in advance

    通道多徑參數估計演算法的研究和軟體實現在估計多徑參數時，首先使用碼濾波方法估計出信號的多徑時延。
  3. In the dissertation, the principle of image coding, the jpeg system and the real - time signal processing system based on dsp are introduced first. then the design of a jpeg real - time image decoder system based on motorola coldfire mcf5272 is discussed

    本文首先介紹了圖像壓縮技術的原理、 jpeg標準和基於dsp的實時信號處理系統，然後在motorolacoldfire32位微處理器mcf5272上設計實現了jpeg解碼演算法。
  4. Gps is a planet wireless conductance system which is global and all - weather, gps can offer high precision time orientation information to infinite user, clock precision reachs 10 ? 6 magnitude 。 not only changes traditional time method of quartz crystal clock, but also replaces wireless shortwave and even more lowfrequency signal and tv signal whose overlay range is limited and low precision, offers advantage to geology field task, achieve automatization and high precision of seismic flow observation

    利用gps授時信號全方位、全天候、連續性、實時性和高精度的特點，以gps信號為基準來校準本地時鐘（晶體振蕩時鐘或原子鐘） ，將gps接收機輸出信號的長期穩定度和恆溫晶振的短期穩定度相結合，應用大規模可編程邏輯器件，設計和實現了由pc104控制的實時在線授時系統。
  5. According to transcendent knowledge, this algorithm classifies modulation systems by computing instantaneous frequency and instantaneous bandwidth of signal and regarding them as modulation parameters

    該演算法憑借先驗知識，通過計算信號的瞬時頻率和瞬時帶寬，並以此作為制式識別參數來判斷信號的調制類型。
  6. The high - frequency software defined radar project is one of the 211 national subject building project

    本文的主要研究內容是軟體高頻雷達實時信號處理軟體的設計及其工程實現。
  7. 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。
  8. In the real time signal processing systems, the processed data in the preprocessing algorithm of the ir images is excessive and require high speed operation and almost impossible to complete it by software ; but it is simple in operation structure and suitable to be implemented by fpga

    但是出於更復雜背景條件下演算法有效性的目的，本文深入討論了局部自適應門限分割演算法的設計。 2 .在實時信號處理系統中，底層的圖像預處理演算法目前難以用軟體實現;但是其運算結構相對比較簡單，適于用fpga進行硬體實現。
  9. The various functions inside the virtual spectrum analyzer introduced in the paper is time domain wave analysis, fft transfer, ifft transfer, cross analysis, and so on, which are all described in function controls. finally, this paper introduce the assemble of intelligent controls - oriented virtual instrument. and use classical signals and industrial practices to demostrate the accurate of virtual spectrum analyzer

    本文介紹的智能控制項化頻譜分析儀所具備的功能，有信號的時域分析、 fft變換以及ifft反變換、信號的微積分運算、信號的頻譜分析、信號自功率譜密度函數計算、信號互功率譜密度函數計算、頻率響應函數計算和相干函數計算，都是集成在功能控制項裏面的。
  10. Firstly, computer model of mdrlg is set up for simulation purpose. by simulation about the two output signals of mdrlg, four basic waveforms between the two signals in lock - in area are found out and the fact is discovered that the old phase - demodulation circuit introduces errors when it is used for demodulating two of the four basic waveforms

    本文首先建立了機抖陀螺的計算機模擬模型，利用該模型對陀螺兩路計數信號及原有鑒相電路進行了模擬，發現兩路計數信號過鎖區時存在四種基本波形，且原有鑒相電路對其中兩種波形產生鑒相誤差。
  11. Because of the heavy computational cost, software implementations of wavelet transform cannot be used in real - time signal processing

    由於用軟體方法實現小波分析，計算工作量大，耗時多，因而不能用於實時信號處理。
  12. In the given precondition and meeting adaptive conditions, music algorithm can accurately estimate signal ’ s doa, and has very high resolution ability and estimation precision

    演算法在假設前提下並滿足適應條件時可以精確地估計出信號的doa ，具有很高的分辨力和估計精度。
  13. They were designed to offer high computational performance for real - time signal processing and for a wide range of applications exhibiting high degrees of parallelism

    設計csoc的目的是為實時信號處理和顯現高度并行性的大量應用提供高的計算性能。
  14. A hardware platform combining dsp, fpga and usb is described, and several technical issues are discussed and then " practical solutions are provided. together with the signal processing theory mentioned above, the hardware design method presents a complete solution to real time multirate signal processing

    在此之外，本文還對基於dsp的實時信號處理硬體的設計作了深入的研究，提出了dsp 、 fpga和usb相結合的實時信號處理硬體系統構架，並對一些具體的技術難題作了實踐性的研究，給出了解決方案。
  15. With phased array radar observing target ' s improvement of different performances of the aircraft, the deterioration of the working environment of radar and improvement of the radar demand request more and higher for putting forward the equipment of phased array radar video signal processing. the digital signal processing is all the time the developing direction of radar signal processing, its main shortcoming is that the increase processing precision, and the amount of information at the same time bring on the amount processing redouble, method to solve this problem is the real - time high speed digital signal processing system. presently multi - processors parallel processing is the focus of the field of high - speed real - time processing. this paper ' s background is the high - speed real - time signal processing of phased array radar. a parallel computing system designed with 4 adsp - 21060 analog device inc ' s dsp is presented. lt has fully utilized the dsp ' s characteristic to be supported the parallel computing, and formed a mes h architecture. this paper design and discusses this system in terms of design for test ( dft ) and real time operation system ( rtos ), and have put forward the new solution for the design and development of the high - speed real - time signal processing system. then, analysed the subject matter faced at the same time

    本文以高速實時相控陣雷達視頻信號處理為背景，提出了一種由4片ad公司adsp - 21060構成的并行計算系統。它充分利用了adsp - 21060支持多處理器并行計算的特點構成了一種網格結構，並且從可測性設計、實時操作系統角度對該系統進行了設計與討論，為高速實時信號處理系統的設計與開發提出了新的解決方案，同時分析了面臨的主要問題。本文首先分析了相控陣雷達信號處理單元的特點，然後針對適合於片間并行的adsp - 21060討論了并行計算結構，提出了一種採用四片adsp - 21060構成網格結構的信號處理平臺，分析了它的工作原理。
  16. The system configuration of the fmcw level radar system based on the integrated microwave front unit ( with central frequency of loghz and frequency sweeping bandwidth of 1. 5 ghz ) and the design of the real time signal processing unit based on the 32 - bit dsp - tms320c31 are introduced

    然後介紹基於集成微波前端（中心頻率10ghz ，掃頻帶寬1 . 5ghz ）的fmcw液位測量雷達以及基於dsp （ tms320c31 ）的實時信號處理系統設計。
  17. It involves not only the detection of signal frequency, signal phase and power factor but also calculation and control of phase. the method of calculating phase is based on fast fourier transform algorithm ( fft ). it is used to calculate signal frequency, signal phase, power factor and the phase on / off time according to sampling instantaneous value of voltage and current

    本文主要提出了採用信號處理技術（快速傅里葉變換fft ） ，根據電壓、電流采樣的瞬時值，計算信號頻率、信號相位、功率因數、分合閘相角的選相控制方法，並介紹了最終控制分合閘的原理與實現方法
  18. The proposed algorithm - hardware mapping models can be used in optimal design of real - time signal processing system. they can also be used in automatic optimized compiler of vliw dsp

    提出的演算法-硬體映射方法可以用於指導實時信號處理系統的最優設計，也可以用於研究vliwdsp的自動優化編譯系統。
  19. ( 4 ) the signal delay commission is done well by the controller

    （ 4 ）所設計的信號延時系統能夠穩定、準確的完成信號延時工作。
  20. When the call returns, the count on the semaphore is decremented

    當調用返回時，信號量的計數將減少。
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