polyphase 中文意思是什麼

polyphase 解釋
adj. 形容詞 【電學】多相的。
a polyphase dynamo [motor] 多相發電[電動]機。

  1. Chen p. r., chen x. m., ni p., wang w. c. et al., 1997, discovery of chalcopyrite daughter mineral in polyphase fluid inclusions from yanyuan porphyry copper deposit, sichuan province

    朱金初，李人科，周鳳英，王汝成等， 1996 ，廣西栗木水溪廟不對稱層狀偉晶巖?細晶巖巖脈的成因討論。
  2. Based on upper study deeply the efficient digital channelized architectures based dft polyphase filter banks to deduce and establish several kinds channelized digital receiver mathematic models for real signal

    在此基礎上深入研究了基於多相dft濾波器組的數字通道化高效結構，推導並建立了實信號通道化數字接收機的多種數學模型。
  3. The synchronous hysteresis motor consists of a polyphase-wound stator and a magnetically hard rotor.

    同步遲滯電動機由一個多相纏繞的定子和一個硬磁轉子所組成。
  4. Polyphase induction motors for power generating stations

    發電站用多相感應電動機
  5. Test procedures for polyphase induction machines

    多相感應電機的試驗程序
  6. Test procedure for polyphase induction motors and generators

    多相感應電動機及發電機的試驗規程
  7. Electrotechnical vocabulary - part 141 : polyphase systems and circuits

    電工詞匯.第141部分:多相系統和電路
  8. Mesh voltage of a polyphase system

    多相系邊電壓
  9. Positive sequence polyphase system

    正序多相系統
  10. Motors having liquid in the magnetic gap, test procedure for polyphase induction

    磁隙有液多相感應電動機的試驗程序
  11. Asymmetrical polyphase current

    不對稱多相交流
  12. Test procedure for polyphase induction motors having liquid in the magnetic gap

    磁隙中有液體的多相感應電動機的試驗方法
  13. Balanced polyphase load

    多相平衡載荷
  14. Later on we discuss the basic theory of multi - rate signal processing, and the polyphase algorithm for interplation filter, then produce the efficient algorithms for interplation : half - band filter and cic filter. we analyze their computing quantity and performance, especially the mirror elimination feature and the at - tenuation in the passband

    之後討論了多速率信號處理的基本理論，比較了不同的內插演算法，分析了半帶濾波器和cic內插濾波器的計算代價、時頻性能，以及各自的抑制鏡像特性。
  15. Fpga and dvb standard are introduced firstly, dvb - c standard and composition of its system are analyzed completely, development of modulator structure and dvb - c digital modulator composition are presented, more over, analysis of respective modular are given. then, principle of dvb - c digital modulator system are presented, they are error control technique 、 mqam 、 nyquist rule and root raised cosine filter 、 window design method for fir filter 、 multi - rate signal processing ( integer interpolating, conversion of fractional sampling, equal conversion of net structure, polyphase structure for filter, poly - phase structure for interpolator, multi - stage implementation of samplying conversion ) 、 distrubited algorithm 、 cic filter 、 dds 、 cordic algorithm

    接著，專門利用一個章節闡述了dvb - c前端調制系統原理，他們了差錯控制技術、多進制調制（ mqam ） 、 nyquist準則與平方根升餘弦濾波器、有限沖擊響應濾波器的窗函數設計法、多抽樣率信號處理包括（整數倍內插原理、分數倍抽樣率轉換、網路結構的等效結構、濾波器的多相表示、內插器的多相表示、抽樣率轉換的多級實現） 、分散式演算法、 cic濾波器、直接數字頻率合成（ dds ） 、 cordic演算法。
  16. Among the various ways to achieve the demodulation and decimation of i and q channels, the polyphase filter is selected in the paper

    Ddc的實現分為兩個部分， iq分解和抽取。本文採用的是多項濾波的方式。
  17. Therefore, a method in design and fpga implementation of wideband digital if receivers based on polyphase filters to fulfill decimation and filtering is proposed

    本文正是基於這種目的，研究並設計了基於軟體無線電技術的中頻數字接收機的數字下變頻。
  18. In this thesis, complex analytical band - pass filtering based method is proposed to reduce the modulation complexity ; polyphase decomposition is used to reduce the filtering complexity ; uniform dft filter banks based method exploits the center frequency distribution characteristic of filter banks to reduces the modulation and spectral resort processes

    而基於均勻dft濾波器組的演算法充分利用了濾波器組的中心頻率的分佈特點，省略了復頻移環節和整序環節，同時利用多相分解的方法改善了濾波環節，兼有各種方法的優點而大大的提高了演算法的實時性。
  19. Consulting relevant reference and related theories in software radio, this thesis is working on technologies of digital channelized receivers, including the theories on a / d sampling, digital down converter, multi - velocity signal processing, polyphase filter and uniform dft filter bank

    本文針對電子偵察系統數字化實現，對數字式通道化接收機的相關技術進行了研究:包括a / d采樣的理論、數字下變頻相關理論、多速率信號處理的理論、多相結構優化抽取濾波、均勻dft濾波器組。
  20. It is recommended to start with daily injection for two treatment courses and then with one injection for every two days. this scheme will provide stabilized efficiency. since compound polyphase liposome injection solution is a slow - released form, it is preferred to retain in the tumor area longer

    開始施打時建議每天施打，約兩個療程后再兩天打一針，亦符合藥物的穩定性，因為本藥劑為緩釋長效劑型，所以有利於延長藥物在腫瘤區滯留的時間。
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