phase signal 中文意思是什麼

phase signal 解釋
相位信號
  • phase : n 1 形勢,局面,狀態;階級。2 方面,側面。3 【天文學】(月等的)變相,盈虧;【物、天】相,周相,...
  • 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...
  1. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念,並以加速度模糊函數為分析工具,詳細討論了加速度對線性相位匹配濾波器的輸出信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優相參積累時間的約束關系以及線性相位匹配濾波器輸出受加速度影響的容限等問題。
  2. 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。
  3. Based on the analysis of the beat frequency signal, the expression of the beat frequency phase is deduced. the expression indicates physics meanings of quantities to be detected and supplies theoretical bases for detection methods. by using two - dimensional fft, the range and velocity information of target is got out from the echo. according to the periodicity range ambiguity of symmetrical pulses in fmpcw, the processing method of sliding time window is used

    通過對差頻信號進行的分析,得出了差頻相位的具體表達式,表現出了要檢測的各量的物理意義,對檢測的方法提供了理論依據。利用二維fft方法,可以有效地提取回波中目標的距離與速度信息。對于fmpcw信號由於均勻脈沖產生的周期性距離模糊的問題,採取時間波門的處理方法。
  4. It has important value in military and civil. conventional algorithms for synthetic aperture radar uses the matched filter and convolves the data with a reference phase signal which changes with range

    合成孔徑雷達( sar )是二戰后發展起來的一種新的雷達技術,在軍事和民用方面都有重要的應用價值。
  5. And when the array transmits back to the cell - phone user, the processor sends an out - of - phase signal to one of the antennas, generating a radio beam that runs from north to south

    當陣列發射訊號給行動電話用戶時,處理器會傳送一個異相的訊號到其中一個天線,產生由北往南的無線電波束。
  6. Research of digital phase signal detecting in remote field eddy current detecting

    遠場渦流檢測中的數字相敏檢波器的研究
  7. We give ptr ' s amplitude and phase signal of one dimension based on the theory of ptr, discuss the ptr ' s signal ' s frequency characteristic, and a method for measuring thermal diffusivity of opaque materials is introduced. then, we study on anisotropic materials " thermal conductivity, the temperature field and thermal conductivity tensor of anisotropic materials is theoretically deduced from the theory of ptr, and is proved by the experiment

    從光熱輻射理論出發,推導出一維情況下ptr信號的振幅和位相表達式,討論了光熱信號的頻率特性,介紹了一種用ptr技術測量不透明材料熱擴散系數的優化方法;接著研究分析了各向異性介質受調制激光束輻照下產生的光熱信號,在理論上推導出各向異性介質的溫度場以及熱導率張量並給予一定的實驗驗證。
  8. This product acquires engine crank corresponding phase signal and rotating speed signal, which after ecu treatment, are used together with signals collected from other load sensor ( such as shutter location sensor ) to achieve electronic control over engine ignition timing. compared with mechanical ignition timing control, this is more precise and reliable, resulting in optimized performance of engine in oil consumption, exhaust, output and torque

    Fdw465b型電噴分電器總成採集發動機曲軸相位信號及轉速信號,同其它負荷傳感器(如節氣門傳感器等)採集到的信號,經電控單元ecu計算處理后,實現對發動機點火正時的電子控制,較之機械式點火正時控制更加精確、可靠,使汽車發動機系統的綜合性能得到較大提高,特別是發動機的燃油消耗率、排放、輸出功率、扭矩等方面都得到較大優化。
  9. Although the work is based on the nonstationary signal of quadratic phase, the methods can also be extended to higher - order polynomial phase signal

    論文的研究雖然是基於不高於二次相位項的非平穩信號,但是其思想方法也可以推廣到更高階的多項式相位信號。
  10. Abstract : : a technique for carriersynchronization of a digital modem is studied and the results of computer simulations are given. through comp arison of twokinds of phase estimator systems, it is shown that the combination of phase signal decision process and signal decoding processwill improve system performances obviously

    文摘:分析了數字數據機載波同步技術,提供了計算機模擬測試的結果,並通過對兩種不同鑒相器系統的性能比較,說明了把信號相位判斷過程與信號解碼過程結合,可使系統的性能得到明顯改善。
  11. This product acquires engine crank corresponding phase signal and rotating speed signal, which after ecu treatment, are used together with signals collected from other load sensor ( such as shutter location sensor ) to achieve electronic control over engine ignition timing, resulting in enhanced performance of engine in oil consumption, exhaust, output and torque

    該產品採集發動機曲軸相位信號及轉速信號,同其它負荷傳感器(如節氣門位置傳感器等)採集到的信號,經電控單元ecu處理后,實現對發動機點火正時的電子控制,使發動機系統的綜合性能得到較大提高(如發動機的燃油消耗率、排放、輸出功率、扭矩等) 。
  12. The reseach work focused on the time delay estimation of the common practical radar singnals, including harmonics signal, chirp signal, polynomial phase signal, and phase - shift keying signal. the new algorithm for different radar signals are deduced in detail respectively, and simulation results are presented. the results proved that the new method is efficient for time delay and some other parameters estimation

    正弦信號、線性調頻信號、多項式相位信號、相位編碼信號是雷達信號中常用的幾種信號,對這幾種信號的研究是雷達信號處理中非常重要的內容,也是實際工程的需要。因此,本文選擇上述幾種信號作為研究對象,對這幾種信號的時延估計演算法進行了建模和理論推導,給出了時延估計演算法的具體表達式,並進行了計算機模擬。
  13. Three - phase signal generator based on single - chip microprocessor

    單片機三相信號發生器
  14. Digital moving - phase signal instrument

    數字移相式信號發生器
  15. A high quality three - phase signal generator and measuring function were combined in this system

    該系統同時具備高質量的三相諧波信號源和電參量測量功能。
  16. Multi - channels controllable phase signal generator adopts dds technology. its digital structure makes the device small and automatic

    多路相位可控信號源採用dds技術,其數字化結構十分有利於系統的小型化和自動化。
  17. Is selected as the core processor and a high quality intelligent three - phase signal generator as well as a measuring system is included in this system

    該系統同時具備高質量智能化的三相諧波信號源與電參量測量功能。
  18. Press the feed button and check where the phase signal ( or similarity signal ) is recorded. use the scale having divisions 1 to 31 to read the position

    按feed按鈕並檢查相位信號(或類似信號)是否有記錄。 (使用1到31 `的刻度來讀出相位的位置。
  19. Moreover, based on poly - phase signal processing and interpolation, a timing variable cic ( cascaded - integrator - comb ) filter based method for sampling rate conversion is analyzed

    另外,結合多速率多相信號處理和nco內插控制思想,分析了時變cic內插濾波器的采樣率變換實現。
  20. Time - frequency analysis and parameter estimation of noisy polynomial phase signal ( pps ) are the general problems in such fields as radar, sonar, communication, biomedical application, seismic signal analysis and so on

    噪聲背景中多項式相位信號的時頻分析和參數估計是雷達、聲納、通信、生物醫學、地震信號分析等領域需要解決的共性問題。
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