脈沖濾波器 的英文怎麼說

中文拼音 [màichōnglǜbōqì]
脈沖濾波器 英文
pulsed filter
  • 脈 : 脈名詞1. （動脈和靜脈的統稱） arteries and veins2. （脈搏的簡稱） pulse 3. （像血管的組織; 連貫成系統的東西） vein
  • 濾 : 動詞（除去液體雜質） filter; strain
  • 波 : 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...
  • 器 : 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. In this dissertation the pulse compression performances of linear frequency modulation signals ( lfm ), nonlinear frequency modulation signals ( nlfm ) and design of their side - lobes suppression filters are analyzed, and design of the pulse compression program of 4 pieces of adsp21160 in the processing unit and the program of single piece of adsp21160 and fpga in the interface unit of the pulse compression system are introduced in detail

    全文分析了線性調頻信號（ lfm ） ，非線性調頻信號（ nlfm ）的頻域脈沖壓縮方法及其旁瓣抑制濾波器的設計和優化，詳細介紹了脈沖壓縮系統中基於4片adsp21160的處理單元和單片adsp21160和fpga組成的介面單元的軟體設計。
  2. Flexible dimming control utilizes either an analog control signal or direct digital pwm control without external rc filtering. this also increases dimming accuracy at low brightness levels

    電路採用靈活的調光控制方式，既可輸入模擬控制信號，也可直接輸入數字脈沖寬度調制信號而不需要外置rc濾波器。
  3. Impulse noise filter based on fuzzy neural network

    基於模糊神經網路的脈沖噪聲濾波器
  4. The echo canceller includes an adaptive finite impulse response filter that generates an adaptive filter weight vector

    此?音消除系統由一適應性有限脈沖響應濾波器所組成，它能產生一組適應性濾波器權值向量。
  5. Pwm converter has low efficiency at light loads and high amplitude harmonic. on the other hand, the control circuit and filter for pfm are much complex

    Pwm調制模式的spic在輕載下效率較低，控制脈沖諧波峰值較大; pfm控制電路較為復雜，后續濾波器設計困難。
  6. Earlier in this chapter we introduced the concept of impulse response as the output of a filter whose input is a simple spike.

    在本章的前面，我們介紹了當濾波器的輸入是一個簡單的尖鋒脈沖時，作為該濾波輸出的脈沖響應的概念。
  7. Secondly the detection precision is only related to the synchronization phase but not to the amplitude of the mainline voltage because that it uses the optimized pulses synchronous with the mainline voltage as modulation signals. thirdly it decreases the requirement of the input low pass filter and eliminates the error resulting from the direct component and even harmonics of load current. the most significant merit is that it can eliminate the effect of a few low order odd harmonics and the detecting circuit is easy to be implemented

    模擬和實驗結果表明該方法的主要優點有：不需使用乘法器進行信號調制，調制信號採用與電網電壓同步的優化特定脈沖，其檢測精度只與同步相位有關，而與電網電壓幅值無關；降低了對輸入低通濾波器的通頻帶要求，直流和偶次諧波分量對檢測精度沒有影響；突出的優點是可以消除有限個低奇次諧波對檢測結果的影響。
  8. The main content and creative work in this dissertation include : ( 1 ) the characteristics of the lfm signals with band width equaling 5mhz, time width in 9 s ~ 42 s, nlfm signals with band width equaling 5mhz, time width in 9 s ~ 21 s are analyzed in frequency domain pulse compression. the corresponding side - lobes suppression filters are designed and optimized

    本文完成的主要工作和創新之處有: （ 1 ）分別完成了對帶寬為5mhz ，時寬在9 s ~ 42 s范圍內lfm信號，帶寬為5mhz ，時寬在9 s ~ 21 s范圍內nflm信號的頻域脈沖壓縮的分析和旁瓣抑制濾波器的設計及優化。
  9. In this paper a multi - passage controlling tactic composed of infinity impulse filter is presented to solve the problem in theory, but actual effect must be verified by experiment in future

    文章嘗試採用由無限脈沖濾波器組成的多通道控制策略，從理論上解決源噪聲信號採集問題，其實質效果還有待於後續實驗驗證。
  10. Following the rapid increase of the data transmission rate of optical fiber communication, the time slot confined by the time interval of the two successive signals is greatly shortened. under this circumstance, the effect of the fabry - perot filter to a short pulse signal may affect the following short pulse signals

    隨著通信速率的提高，相鄰的信號間的間隔越來越小，法布里-珀羅濾波器對某個信號的作用有可能影響下一個信號，因此研究法布里-珀羅濾波器對超短光脈沖的影響有著非常重要的意義。
  11. Then the filter model is deduced to describe the intensity fluctuation induced by xpm in dispersion managed systems. according to this model, optimal dispersion management schemes are got

    其次從理論上推導了在色散管理系統中由於交叉相位調制與色散互作用引起的脈沖強度起伏的濾波器模型，根據此模型得到了系統的優化色散補償方案。
  12. The whole pwm circuit contains two subcircuit, the front - end is pwm module that make up of the counter that based on nine mosfet true - single - phase - clock d flip - flop ; the back - end is demodulated module, which is consist of a three order chebyshev low - pass filter used trans - conductor capacitor. all the subcircuits are simulated. at last, an approving simulated result of the whole circuit is given too

    在調制部分，利用九管單相時鐘d觸發器構成計數器，並由此組成了脈沖寬度調制電路，同時給出了在典型溫度下的模擬結果;在解調部分，介紹了低通濾波器從無源到有源的設計方法，設計了三階切比雪夫低通跨導電容濾波器，同樣給出了相應的模擬結果;最後，作為將脈沖寬度調制電路和濾波器作為整體電路，以脈沖調頻波為輸入進行了模擬，取得了令人滿意的結果。
  13. In most studies, in order to simplify the physical treatment, the laser beam is usually treated as a plane wave and normal incidence is supposed when its transmission through a fpf is considered

    對于光脈沖通過法布里一拍羅濾波器后的時域和頻域特性己有不少報道，然而我們注意到，在這些研究中激光通常被當作平而波。
  14. Because multi - band wavelet can describe signal more delicately and more compactly than two - band wavelet, and multi - band wavelet can be derived from the infinite iteration of multi - channel filter banks. by means of a detailed discussion for a effective design method of linear phase pr iir filter banks, the author obtain that the method is only fit for two - channel filter banks, but ca n ' t be extended to arbitrary m - channel ( m > 2 ) filter banks

    由於m帶小波比2帶小波分析信號更細致、更緊湊，而m帶小波可由迭代的m通道濾波器組獲得，所以本章分析了一種兩通道線性相位完全重構無限脈沖響應濾波器組的有效設計方法，希望可推廣用於m （ m 2 ）通道。
  15. The goal of the filter is to improve the sensitivity of an optical receiver by optimally filtering a communication signal. in this paper we calculated the temporal response of the matched filter, the commonly used f - p filter, as well as the matched weak ofbg filter. we find that the reflected pulse of weak ofbg closely resembles the triangular shape characteristic of a perfectly matched filter

    論文計算了通信系統中矩形光脈沖信號經強、弱ofbg 、匹配光濾波器、 f - p濾波器的輸出光脈沖波形，經分析比較后發現：弱ofbg和理想匹配光濾波器的輸出信號波形極其相似，不存在碼間干擾，而f - p濾波器的輸出波形存在比較嚴重的碼間干擾。
  16. Application of the fir filter in single - chip for video format conversion

    有限長脈沖響應濾波器在視頻格式轉換晶元中的應用
  17. Because the noises in ir images changes slowly and its frequency components con - centrate on the range of low frequency. the wgos is used to suppressing background and noises. just for the three origin images in this dissertation, the global threshold in the algorithm is enough to divide up targets from the background

    紅外圖像的噪聲通常為脈沖噪聲，具有高頻特性;而紅外圖像的背景變換比較緩慢，其頻譜成分多集中在低頻區域，所以本文在對圖像特性分析的基礎上，設計改進了基於加權廣義次序統計濾波器的背景抑制的演算法。
  18. A proper t - s fuzzy model is adopted to describe the complex nonlinear system. based on the method of local linearization, the idea of generalized predictive control ( gpc ) and the definition of finite impulse response are utilized to design the novel control strategy. the new method not only is different from the common predictive pid control, but also solves the problem that the system ' s order is restricted in the reported papers

    該方法採用ts模糊模型來描述復雜的非線性系統，同時在局部線性化基礎上結合廣義預測控制的思想和有限脈沖響應濾波器的定義，提出了一類新型的模糊預測pid控制器的實現方法，該方法不僅有別於一般的預測pid控制器的設計，而且解決了一般預測pid控制器設計當中對系統模型階次的限制問題，從而將其推廣到了一類更廣泛的系統。
  19. On the other hand, the irls algorithm is employed to design mismatched filters for other signals, such as linear frequency modulated chirp. the methods of improving tolerance of low doppler shifts are given finally

    同時我們還將迭代加權最小二乘演算法推廣應用於其它信號形式的脈沖壓縮濾波器設計，並提出了有關多普勒頻率性能的改善方法。
  20. A serial generalized morphological filter with multi - structural element is used suppression white gaussian noise or pulse noise embedded in the speech signal. the paper compares morphological speech enhancement algorithm with classical approach on the feature of speech in the frequency domain and time domain

    本文針對形態學在數字語音信號增強中的應用演算法研究，採用多結構元素的廣義形態濾波器，主要用於對被高斯白噪聲或正負脈沖噪聲污染的語音信號的濾波增強，深入研究形態學濾波的語音增強演算法在語音時域、頻域對語音特徵參數的影響。
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