濾波器過濾器 的英文怎麼說

中文拼音 [lǜbōqìguòlǜqì]
濾波器過濾器 英文
filter
  • 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
  • 過 : 過Ⅰ動詞[口語] （超越） go beyond the limit; undue; excessiveⅡ名詞（姓氏） a surname
  • 濾波器 : [電子學] electric filter; （electric） wave filter; filter
  • 過濾器 : absorber
  • 過濾 : [工業] filter; filtrate; screening; colation; filtration; filtering; lautering; colating; straini...
  1. Thirdly, the fir decimating filter under over - sampling is designed and realized

    三、過采樣條件下的fir抽取濾波器設計與實現。
  2. Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal

    我的思路是：改造現有圖形結構，先建立能反映信噪比大小且含待定參數k的表達式，然後通過離散型h0pfi舊單層反饋神經網路，再結合前邊的混合濾波器構成一個非線性控制系統，寫出對應的網路函數，利用相平面法和李雅普諾大穩定性的判據，得到一個穩定的極限環，從而確定出參數卜的范圍，進而再對原來的小波軟閾值進行修正，用修正後的值作為小波閾值。
  3. Thirdly, two kinds of the methods to improve the performance of filter stopband has been discussed. these methods are used to cleared up the influence of the parasitical passband. through the simulation and test result shows that these methods " s performance is expected

    第三，論了2種對濾波器阻帶抑制進行改善的方法，以消除寄生通帶的影響，通過模擬和實際製作濾波器的測試結果。
  4. The scanning of the film by the photometer in the spacial domain is equivalent to the operation of a filter on a signal flowing through it in the time domain.

    在空間域用光度計進行掃描，和時間域中濾波器對所通過的信號進行運算等效。
  5. The world consumption value of lithium tantalate wafers was estimated at us $ 150 million. until last year, 3 - inch wafers dominated the market demand. however, 4 - inch wafers will overtake this year due to change in production requirement for rf saw filters

    直到去年底三英寸晶片仍居市場的主流；然而在射頻聲表濾波器製程上的殷切需求下，今年度四英寸晶片的產量成長將會超過三英寸晶片成為主流產品。
  6. A uhf sensor is designed and fabricated, which mostly consists of antenna, uhf amplifier, high pass filter, and broadband wave detector

    通過與大華無線電廠合作，研製了超高頻傳感器，其主要由天線、超高頻放大器、高通濾波器、寬帶檢波器等組成。
  7. At first, the paper confirms singular area by singular detection, then designs a series of low - pass filters that have different templates according to the different position in finger image for a local area, at last sets up gabor filter parameters according to the characteristics of fingerprint image. the improved enhancement algorithm has a better robust, and can preserve texture structure of singular area effectively. in binary noise clearance, the paper presents an algorithm that clears the biggish white speckles and black speckles

    在指紋圖像增強方面，本文針對傳統的基於gabor濾波器指紋圖像增強演算法魯棒性差以及通常會改變奇異區紋理結構的缺點，對原有演算法進行了一些改進:首先通過檢測奇異點確定奇異區，然後根據局部區域在指紋圖像中的位置構建相應取值方式的低通濾波器並對該局部區域方向圖進行濾波，最後根據指紋圖像紋線的特點對gabor濾波器參數進行設置。
  8. The problem discussed in this paper is to separate two ( or more ) input signals from observed signals which are generated by passing input signals through diffrent unknown multi - input multi - output linear systems. it is proved that the input signals can be separated when they are independent identitically distributed ( i. i. d ) signals. a new algorithm for multi - input multi - output blind deconvolution via maximum entropy is presented which needs no information about the input signals and mixing filters

    本文研究的問題是從觀察信號中分離出兩個（或者更多個）輸入信號，其中每一組信號分別通過不同的未知多輸入多輸出線性系統.本文證明了當輸入信號是兩兩相互獨立的獨立同分佈信號時可以分離出輸入信號，並導出了基於最大熵的多輸入多輸出盲解卷新演算法.這個演算法不需要任何關于輸入信號和混合濾波器的先驗知識
  9. 2. based on studying canny operator and log operator, we take wavelet edge detection in allusion to smoothing image extremely and losing weak edge existed in gaussian filter

    （ 2 ）在分析canny邊緣檢測演算法和log邊緣檢測演算法的基礎上，針對高斯濾波器存在過度光滑圖像和丟失緩變邊緣的問題，採用基於小波變換的邊緣檢測演算法。
  10. The following is a partial list of lc lowpass filters and their specifications that we have produced, arranged by center frequency

    以下為生產過的lc低通濾波器部分產品規格（按截止頻率排序） 。
  11. To utilize the advantages of dsp chips, the system should be computing sources economical. according to digital signal processing theory, the poly - phase fir can help reduce the workloads of the ddc / duc. therefore, adding the complex carrier mixers, the channelization system ( a method of using a single wideband facility to transmit many relatively narrow - bandwidth signals. by subdividing the frequency spectrum used in the wideband channel ) can be formed utilizing the characters of fft

    為了使開發出的軟體可以適用於高速dsp器件開發，節省系統資源，課題首先從數字信號處理的理論進行分析，得出可以利用抽樣率轉換的數字濾波器的特點，即多相濾波實現數字上下變頻計算負擔的減小，之後進一步將多相濾波器與頻譜搬移部分結合，通過公式的推導，得出可利用快速傅立葉變換的特點實現多路信號的通道化發射和接收的處理模型。
  12. Section ii describes the design approach and implementation of speech module on mcf5249 coldfire core. the speech codec optimizes g. 729a codes and added voice activity detection of g. 729b to save bandwidth ; the implementation of acoustic echo cancellation uses nlms algorithm and it can reduce echo though designing adaptive fir filter and speech detector ; the dtmf and cpt generate signal using two second order digital sinusoidal oscillators and detect signal by picking up the frequency information. but only get the frequency information is not enough in cpt detector, this thesis introduces a method

    其中對語音編解碼器的設計採用優化g . 729a代碼達到設計要求，並在此基礎上加入g . 729b的靜音檢測模塊，以進一步降低網路傳輸帶寬;對回聲消除器的設計採用nlms演算法，通過設計自適應fir濾波器和語音檢測器達到回聲消除目的;對雙音多頻設計，信號發生端採用構造靜態參數表並通過二階正弦振蕩器產生信號，信號檢測端提取頻率信息以檢測信號;對呼叫進程音設計，除了類似雙音多頻的信號發生及頻率檢測設計外，還需要檢測信號持續時間，作者設計了一種基於匹配狀態表的方法以檢測信號持續時間。
  13. This paper introduces the basic principle of the filter, expounds the structure of the spiral bandpass filter and the design method for the spiral bandpass filter based on the communication frequency, and proves this design method through testing

    介紹了濾波器的基本原理，敘述了螺旋濾波器的結構以及基於通信頻段的螺旋濾波器設計方法，並通過實驗驗證了該設計方法。
  14. The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail

    首先，在闡述i / q正交調制基本原理的基礎上，通過對誤差矢量和鄰近通道功率泄漏的詳細分析，定性、定量地討論了各種非理想電路因素（如相位不平衡、幅度不平衡、直流偏差等）對調制器性能的影響;其次，介紹了鎖相環的工作原理和基本組成部分，包括鎖相環的設計和環路濾波器的設計，特別詳述了電荷泵鎖相頻率源;第三，介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後，對整個直接射頻調制系統進行測試，結果基本上達到了課題要求。
  15. First, how to conduct sample and quantification of continuous time signal which is prior condition of sdr is explored in detail, and the comparison and analysis of some sample modes are given in which band pass signal sampling theorem is most important. second, multi - sample rate signal processing which is an important basis of sdr is studied. emphasis are put on decimation and interpolation those are the most fundamental process and the realization of decimation and interpolation filter

    在基於中頻采樣的軟體無線電結構框架下，首先詳細探討了軟體無線電的前提條件，即如何對連續時間信號進行采樣量化，比較分析了幾種采樣的方式，其中最為重要的是帶通信號采樣定理；然後探討了軟體無線電的一個重要基礎，即多采樣率信號處理，重點討論其最基本的兩個過程抽取和內插以及抽取器和內插器的實現；接著介紹了結構簡單、適用於一級抽取的cic濾波器和適用於做2倍抽取的半帶濾波器；再次論文在總結了傳統的調制解調基礎上，結合軟體無線電器件的特點，系統的探討並實現了基於正交思想的am 、 fm 、 ask 、 fsk 、 bpsk 、 qpsk的正交調制解調演算法。
  16. Acc1 - acc2 adjust the filter pass band width

    Acc2調整過濾器通路波段的貸款。
  17. 3. an improved algorithm directly designing the fir ( finite impulse response -. fir ) filter fan to realize time domain wcbb is presented

    提出了通過直接設計fir （ finiteimpulseresponse ： fir ）濾波器組來實現時域恆定束寬波束形成器的改進方法。
  18. Utilizing control lyapunov function, the position control and trajectory control law are designed for the robot. using matlab and simulink, simulation results are provided to show the efficacy of the kalman filter and controllers. also, multi - sensor data fusion, balancing control, robustness control and velocity tracking experiments are conducted to ensure the validity and efficacy

    利用matlab及simulink對上述濾波器、控制器進行模擬，並通過兩輪自平衡機器人系統實驗平臺進行數據融合、平衡控制、魯棒性、速度跟蹤實驗，獲得了期望的平衡與速度跟蹤性能，驗證了數據融合演算法和相應控制器的正確性與有效性。
  19. 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，修正了原有處理程序中的因數據長度過長而導致程序死鎖的bug ；利用有限沖擊響應（ fir ）濾波器，在濾去噪聲的同時，有效地解決了矩形窗fft濾波的頻譜泄漏問題；另外還解決了因相位偏差而導致的測試誤差。
  20. Two type microwave bandpass filters are applied to meet different bandwidth requirements. the filters of the 2 % relative bandwidth is realized by ^ / 4 coupled waveguide filters, whereas the ones of 1 % relative bandwidth utilizes e - plane septum mounted in the wavefuides. very compact diplexers are achieved by different configurations individually

    根據不同的設計指標，作者提出了兩種雙工器模型：波導分支濾波器雙工器和準平面e面波導雙工器；並且選用不同的濾波器形式來實現通道濾波器：用4耦合波導濾波器設計出相對帶寬為2的窄帶濾波器，而相對帶寬僅為1的極窄帶濾波器是採用過正面濾波器來實現的。
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