synchronous acquisition 中文意思是什麼

synchronous acquisition 解釋
同步採集
  • synchronous : adj. 同時的,同期的;【物理學】同步的。adv. -ly
  • acquisition : n. 1. 取得,獲得;習得。2. 取得物,獲得物[人]。3. 【無線電】探測。
  1. In this paper, research on the algorithm of complete digital if and baseband transmission system and the realization of transmitter and receiver. / 4 - dqpsk is chosen as digital modulation scheme. the scheme of demodulation is baseband differential detection. sliding correlator can realize the symbol synchronous acquisition ; early - late gate synchronizer is used to do symbol synchronous tracking

    系統的發射機選定/ 4 - dqpsk為調制方式,接收機採用基帶差分解調的非相干解調方式,滑動相關器捕獲發送的pn序列,早遲門同步器跟蹤符號同步,使用相關器對同步后的符號進行最佳判決,並在這些演算法實現的基礎上,實現了直接序列擴頻和解擴技術。
  2. The second, the main work in the paper is discussed. they are include : the theory and character of electromagnetic leaking from a computer ; the theory of accumulation mean filter and pectination filter ; the analysis of synchronous signal precision, at 10 - 12 second level, for stably intercepting ; the technology requirement of receiver and data acquisition board for clearly displaying the images recovered from the intercepted data

    本文從計算機視頻電磁泄漏和數字濾波器兩方面的基本理論出發,詳細論述了計算機視頻信息電磁泄漏的原理及特點,指出視頻泄漏信息的頻譜是以行頻為周期的譜線;分析了重加濾波器和梳狀濾波器的性能;分析了視頻泄漏信息截獲的條件;推導出穩定截獲視頻泄漏信息需要對同步信號的精度控制在皮秒級;論述了清晰再現對接收機和數據採集卡的技術要求。
  3. The third, after theoretically analyzing, the following practicable methods are put forward : 1 ) automatically pick - up the synchronous information by analyzing the spectrum of intercepted video - leaking information ; 2 ) realizing the phase lock and the electronic image stabilization by integral - projection and differential - positioning ; 3 ) improving the effect of accumulation mean filter and the pectination filter by using electronic image stabilization ; 4 ) automatically adjusting image acquisition parameters by detecting the image entropy, therefore the quality acquired image is improved ; 5 ) to realize the quantitative test of a leaking extent, a standard test picture was designed. finally, a proto type for leaking information processing based on our techniques mentioned above and the virtual instrument principle was designed and tested

    在理論分析的基礎上,提出了以下的實用技術: 1 )用譜分析方法從截獲的信息中自動提取同步信息; 2 )用積分投影、微分定位的方法進行相位檢測,實現可靠的鎖相和電子穩像; 3 )將電子穩像技術用於重加濾波和梳狀濾波的濾波方法,改進了濾波效果; 4 )通過檢測圖像信息熵實現圖像採集參數的自動調整,改進了圖像採集的質量; 5 )設計了用於儀器定標的標準測試圖,可以對泄漏信息進行定量檢測。
  4. 4. in data acquisition system, the application of phase - locked and synchronous detection reduce the cost of the whole system and improve the sensitivity. carrier signal and modulation signal achieve entirely synchronous too

    數據採集系統採用鎖相技術、同步檢波的原理,降低了整個系統的成本,提高了靈敏度,並使得載波信號與調制信號完全達到同步。
  5. The input data of the multiplexing adopts 8 channels with the speed of 2mb / s, and those of the last two channels are " 0 " and " 1 " respectively, in order to improve the transimision effeciency and deminish the complexity of encode and electronic circuit concerned, furthermore, it makes the synchronous signal acquisition more easier

    數字復接中採用八路2m口數據輸入,其中后兩路採用直接輸入「 0 」碼或「 1 」碼的方法,提高了信息傳輸的有效性,便於提取幀同步碼,降低了編譯碼過程的復雜性,同時也降低了系統的電路復雜程度。
  6. Picep eliminated the drawbacks existing in traditional measurements ( using light oscilloscope, magnetic tape machine and fault wave recorder ), such as failure to start automatic recording, low acquisition speed, less synchronous recording channels, joint grounding of channels and less analysis functions for electrical parameters acquired, etc. picep meets the requirements of both production and r & d need of power system

    Picep解決了傳統方法試驗方法(光線示波器、磁帶機、故障錄波器)中不能自動啟動記錄、採集速度低、同步記錄通道少、各通道共地、對測得的電氣參數軟體分析功能少等弊端,滿足了電力系統生產實際和科研的需要。
  7. This system achieves and validates synchronous data acquisition of vibration and tachos signals

    實現了變速箱振動和轉速信號的同步採集,並對同步效果進行了驗證。
  8. Dual c50 multi - mode synchronous acquisition and high - speed recognition system

    的實時語音識別控制系統設計
  9. 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。
  10. Abstract : in this paper ? for real marine underwater noise data by using synchronous acquisition of points ? inputs - output covariance matrix is obtained by filtering ? compensating delay and crosscorrelation. then the contribution of inputs to output in network sense and partial coherence as well as other useful quantities are calculated from the inputs - output covariance matrix

    文摘:本文對多點同步測量方法記錄的艦艇噪聲數據,採取在時域上作濾波、時延補償和互相關得到輸入輸出協方差矩陣,然後從輸入輸出協方差矩陣計算在網路意義和偏相干意義下輸入對輸出的貢獻以及其它有用的量。
  11. Designing a multipath synchronous data acquisition board based on digital signal processing

    多路同步數據採集板設計
  12. " vxibus synchronous data acquisition module " can work in either single - module mode or multi - module mode, which makes combination between modules and multi - rate sample possible

    Vxi同步數據採集模塊既可以單模塊工作,也可以多模塊同步工作,實現了模塊間的靈活組合,能夠以多采樣率進行數據的同步採集。
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