相序濾波器 的英文怎麼說

中文拼音 [xiāng]
相序濾波器 英文
sequence filter
  • : 相Ⅰ名詞1 (相貌; 外貌) looks; appearance 2 (坐、立等的姿態) bearing; posture 3 [物理學] (相位...
  • : 動詞(除去液體雜質) filter; strain
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • : 名詞1. (器具) implement; utensil; ware 2. (器官) organ 3. (度量; 才能) capacity; talent 4. (姓氏) a surname
  • 濾波器 : [電子學] electric filter; (electric) wave filter; filter
  1. Firstly, on the base of analyzing psk ' s theory and audio - card ' s constitute and data transfers, bdpsk and qdpsk soft - modulation and soft - demodulation systems based on audio - card are studied and implemented, including generating digital carrier sequence, synchronizing carrier, designing filter, sampling and judging, etc. the system adopts coherent demodulation method, synchronizing carrier adopts costas loop

    本文首先分析了調信號調制解調的基本理論和多媒體計算機( mpc )聲卡組成原理及數據傳輸等方面的內容,然後研究並實現了基於計算機聲卡的bdpsk和qdpsk信號軟體調制解調系統,內容包括數字載列的產生、載同步、設計,信號的抽樣判決等。
  2. The major contributions of the dissertation are as follows : 1. it is well known that the multi - value cdma spreading codes can be designed by means of a pair of mirror multi - rate filter - banks based on some optimizing criteria. the dissertation indicates that there exists a theoretical bound in the performance of its circular correlation property, which can be described by an explicit expression. based on this analysis, a criterion of maximizing entropy is proposed to design such codes

    研究了基於兩帶鏡像多速率組來設計的多值cdma擴展碼的方法,並推導出了基於這種方法設計的碼列在循環關特性方面所能達到的極限,以及達到此理論極限時應滿足的條件;在此基礎上,提出了一種基於熵最大化準則來產生cdma擴展碼的設計方法。
  3. 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組的演算法充分利用了組的中心頻率的分佈特點,省略了復頻移環節和整環節,同時利用多分解的方法改善了環節,兼有各種方法的優點而大大的提高了演算法的實時性。
  4. Filter poly - phase decomposition method is adopted in this dissertation. the partition of the tuning channel according to the digital mixing sequence, and the digital down - conversion by means of decimating first, the low - pass filtering and mixing realize efficiently the down - conversion of the variable carrier frequency band - pass signal

    本文採用分解方法,按數字混頻列劃分調諧通道,使用先抽取,后低通,再混頻的數字下變頻結構,高效實現了變載頻帶通信號數字下變頻。
  5. Active power filter ( apf ) is an advanced power electronic device , which can be used for compensating harmonics, reactive power and negative sequence current. compared with conventional compensation devices, active power filter has advantages of real - time and accuracy

    有源電力是一種新型諧、無功補償裝置,和傳統的補償裝置比,有源電力具有很大的優勢:可以對諧、無功以及負電流實現實時、準確的補償。
  6. Connection fee includes any necessary connection within ctm, configurations and the relative working processes in addition to the on - site installation of the adsl modem, microfilter ( if necessary ) provided by ctm, adsl modem lan cable ( if applicable ), and the necessary software configuration. ctm shall only perform the installation of modem and microfilter provided by ctm

    接駁費適用於澳門電訊內部進行所需之接駁、設定和關工以及上門安裝由澳門電訊提供之非對稱數字用戶環線數據機及微型(如需要) ,非對稱數字用戶環線(如適用)及所須之軟體裝置。
  7. The experiments show that this method has great performance of single target tracking in sequence images on the sea. considering the correlation between the frames of sequence, we research the tracking methods which take advantage of both the intra - frame and inter - frame information, including predicting tracking machine based on kalman filtering algorithm and matching tracking machine based on mean - shift algorithm

    實驗表明,該方法對海上單目標跟蹤具有很好的穩定性;然後,針對列圖象具有幀間關性的特點,研究了基於幀內? ?幀間信息的自動跟蹤方法,即同時利用幀內信息和幀間關性信息,設計了基於kalman的預測跟蹤和基於mean - shift演算法的匹配跟蹤
  8. Based on the delay - coordinate reconstruction and bilinear expressions in the phase space of a chaotic system, a bilinear adaptive filter was designed to predict low - dimensional chaotic time series

    摘要基於混沌動力系統空間的延遲坐標重構和雙線性表達式,設計了預測混沌時間列的雙線性自適應預測
  9. This paper brings forward that asvg is capable of compensating harmonic, negative sequence and zero sequence currents. so asvg can synchronously compensate the reactive current and harmful currents in three - phase four - wire unbalanced system

    本文提出靜止無功發生還具有抑制諧除負、零電流的能力,從而可以用於對三四線制不平衡系統同時進行無功補償和有害電流除。
  10. On the basis of previous work, we developed a new data processing system by use of dsp & oop. the new system overcame the problems existed in the old data processing system successfully, such as the bug which cause program dead loop when the data is too long, and the frequency leak due to principle limit of fft filter. in addition, we eliminated the measurement error brought on by phase warp

    我們在前人的工作基礎上,利用現代數字信號處理技術和面向對象的軟體開發技術,統一了彈上黑匣子數據處理系統的操作平臺,完善了轉速、掃描角測試數據處理系統,修正了原有處理程中的因數據長度過長而導致程死鎖的bug ;利用有限沖擊響應( fir ),在去噪聲的同時,有效地解決了矩形窗fft的頻譜泄漏問題;另外還解決了因位偏差而導致的測試誤差。
  11. Firstly, the paper discusses well logging technology and the development of the domestic and foreign pressure meters, then proposes the sytem scheme design of sjdy - i electronic pressure meter and briefly analyzes its operating principle. secondly, the paper explains in detail the software and hardware design method, presents the design thought and flow charts of every function modules. thirdly, the paper analyzes the pc program, introduces software which adopts the filter and nonlinear regression methods for improve the system precision

    本文首先在介紹了試井技術和目前國內外壓力計的發展狀況的基礎上,進行了sjdy -型存儲式深井電子壓力計系統總體方案設計,並對該系統的工作原理進行了簡要的分析;然後,闡述了sjdy -型存儲式深井電子壓力計井下儀部分的軟硬體設計思想和設計目標,詳細介紹了整個系統的硬體組成部分,並給出了單片機系統(即井下儀部分)軟體的設計思想和各個功能模塊的流程;接著,重點分析了sjdy -型存儲式深井電子壓力計的上位機程以及各個模塊的具體功能,並設計了應的軟體予以實現;最後採用技術和非線性校正方法,來提高整個系統精度。
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