有用信號 的英文怎麼說

中文拼音 [yǒuyòngxìnháo]
有用信號 英文
desired signal
  • 有 : 有副詞[書面語] （表示整數之外再加零數）: 30 有 5 thirty-five; 10 有 5年 fifteen years
  • 用 : Ⅰ動詞1 （使用） use; employ; apply 2 （多用於否定: 需要） need 3 （敬辭: 吃; 喝） eat; drink Ⅱ名...
  • 號 : 號Ⅰ名1 （名稱） name 2 （別號; 字） assumed name; alternative name3 （商店） business house 4 （...
  • 有用 : useful; serviceable
  1. It is the first time that the theory of wavelet has been applied in the signal processing of the codog power plant experiment rig and wavelet transform denoising was used, it may keep the aiguille and saltation parts, wipe off the noise and pick up the useful signal, it is benefit to analysis the result in experiment

    把小波分析理論應用於codog實驗臺信號處理中，用小波變換進行信號消噪，可以很好的保存有用信號中的尖峰和突變部分，將信號的噪聲部分去除，從中提取出於有用信息，更有利於實驗結果分析。
  2. In the design and application of electronic engineering, both in open circuit and in closed circuit, signal is certainly affected by environment, the status of the transport network and the change of the parameters of the components applied. then the characters of useful information will be changed more or less and the change is generally called as distortion, namely so - called signal distortion

    =在電子工程的設計和應用中，信號無論在開路傳輸或閉路傳輸中都受到環境、傳輸網路的工作狀態和應用的元器件參數變化的影響，從而會或多或少地改變有用信息的性質，這種變化就是所謂的信號畸變現象，通常稱作失真。
  3. Chip cards with digital signature application function according to sigg and sigv - part 3 : commands for personalisation

    使用信號g和信號v的具有數字簽名功能的存儲晶元.第3
  4. This method gets rid of the interferential signal successfully but does not lose useful signal

    該方法能有效地去除干擾信號，又不會損失有用信號。
  5. The purpose of signal processing is to suppress or get rid of the interferential part, and display or pick - up useful information

    信號處理的目的就是最大限度去除或抑制與所研究對象無關的那部分干撓，突出或提取有用信息。
  6. With the research development in antenna area, smart antenna, which could dynamically adjust antenna pattern in order to trace useful signals and suppress interference and noise, comes into researchers ’ sight

    隨著天線領域研究的進展，一種可以動態調整天線方向圖，有效跟蹤有用信號，抑制干擾和噪聲的天線系統? ?智能天線系統，進入了研究者的視野。
  7. In the digital mobile communication, with the effect of modulation, transmission channels and demodulation, the received signal ineluctably has some distortion. frequncy offset is one of them

    在移動通信系統中，信號經過調制發射、通道傳輸和接收解調的過程中，不可避免的會引入一些干擾，使得有用信號受到影響。
  8. In new system the error pa can also amplify the original signal, so the performance of whole amplifier system increases. since rf predistorters used in the new system, the linearity and power efficiency can be enhanced

    該技術改變了誤差通路中的信號特性，使誤差放大器也輸出有用信號功率，提高了整個放大系統的性能。
  9. Eventually, the filtering program which can successfully take the useful fault signal out from the background with strong noise is designed

    對圖象數據的處理採用turboc + + 3 . 0作為編程工具，成功地設計了在強噪聲背景下將微弱的有用信號提取出來的濾波程序。
  10. Compared with the traditional methods of artifacts elimination, ica, a kind of spatial filter, does not be restricted by the case of spectrum overlapping, and have a good reservation of useful detail signals

    此外， ica這種空間濾波器不受信號頻譜混迭的限制，消噪的同時能對有用信號的細節成分做到很好的保留，很大程度上彌補了時頻域方法的不足。
  11. Experimental result shows the algorithm has nearly the same edge preserving performance as nonlinear multiwavelet transform, and nearly the same speckle noise suppression performance as filtering

    此演算法對原圖像進行多小波變換，然後在不同尺度，不同方向進行自適應閾值處理，模擬結果表明：本演算法能夠有效地抑制了斑點噪聲，又保留有用信號及邊緣信息。
  12. So how to select threshold effectively to avoid lose useful signal is problem worth to research. some research is processed here on the problems above as follow : ( 1 ). in exordium the research purpose and means is introduced

    因此，在去噪的過程中如何更有效地進行閾值選取，使得噪聲被去除的同時盡可能的避免有用信號的丟失，也是一個值得研究的問題。
  13. Do a estimation is often encountered in vary application of radar and communication system. the dissertation then discusses the estimation of interested signals in chaotic noise. we analyzed three different algorithm for this purpose

    混沌背景中的有用信號的參數估計問題是在雷達應用（如波達方向估計）和混沌調制的通信系統中窄帶干涉抵消中經常遇到的重要問題之一。
  14. Under the research of the characteristic of three classical analog filter with simulation software - matlab, this paper devised lowpass circuit that not only can keep the useful signal out of distortion but also benefits the following sample tache and filter tache

    用matlab分析了三種經典模擬濾波器的濾波性能，設計出了能保持有用信號不失真又有利於後面的采樣和數字濾波環節的低通電路。
  15. The traditional detection algorithm, based on zero - crossing or energy, will not acquire ideal effect when the signal - to - noise is low or the signal is weaker. therefore, to resolve the real problem in the real environment that all kinds of random noise and speech signal exit together, some new algorithm must be put forward. account for the complexity of real noise, we integrate the wavelet transform and high - order statistics and advance a new algorithm ; the algorithm can effectively separate the speech signal and the non - gauss noise

    基於過零率和能量的傳統檢測演算法，在噪聲環境比較復雜的情況下效果很不穩定，尤其是信噪比較低或者語音信號較弱時，檢測效果很不理想，因此，在多種語言和噪聲隨機出現、噪聲和語音強弱不一的實際噪聲環境下，必須利用新的演算法提取有用信號和噪聲信號的有效特徵，才能解決實際的問題。
  16. The analysis shows that by using correction function processing to the collected signals, the periodicity of the signal can be checked conveniently, the frequency - domain response of linear systems with uncertain parameters can be identified, useful signals can be checked out and extracted from the noise

    由分析可知，對採集到的信號做相關函數的處理可以方便地對信號的周期性進行檢測，確定未知參數的線性系統的頻域響應，檢測噪聲中有用信號，並對噪聲中的信號進行提取。
  17. When snris below to some extent, the distortion of signal will be so great that the new randomshift invalidates the algorithm, so an improved adaptive centroid estimation algorithmis presented according to signal grouping and the principle of grouping is analyzed. correlation function algorithm is a classical method on shift estimation

    由於當信噪比低到一定程度時，有用信號的損失過大，會導致引入新的隨機時移，使演算法完全失效，因此通過將信號分組的方式提出改進的自適應質心估計演算法，並對分組的原則進行研究。
  18. In order to improve snr of seismic signal for controlled vibroseis in seismic exploration, a set of phased array vibroseises is developed for generating directional seismic wave by controlling differences of phases between neighboring vibroseises, and a special seismic signal detection method for phased array vibroseises is proposed

    摘要為提高可控震源地震信號的信噪比，將雷達系統的相控陣技術應用於可控震源地震，通過控制相鄰震源的相位差恆定，使地震波能量集中，產生定向地震波束，加強有用信號的強度，從而提高了地震信號的信噪比。
  19. The adaptive receiving array can not only control itself to gain the signal and divide it from the noise when the directions of signal and noise are different, but also confirm the direction of the signal with the existence of noise

    採用不同類型的自適應演算法，自適應接收陣不僅可以自動操縱自己獲得信號，而且還可能在干擾存在的情況下確定信號的方向等，使波束的零缺陷對準干擾方向，最大限度地加強有用信號，從而大大提高了信號干擾比。
  20. For implementing conveniently the detection, identification and extraction of useful signal from the collected signal, we make a brief analysis to the application of correlation function in digital signal processing based on its three basic principles

    摘要為了比較方便地對測量所得到的信號實現有用信號的檢測、識別和提取，根據相關函數的3條基本性質，對相關函數在數字信號處理當中的應用進行了一些簡要的探討。
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