靜噪信號 的英文怎麼說
中文拼音 [jìngzàoxìnháo]
靜噪信號
英文
purified signal-
The specific research methods are listed : 1. matched filter taking the max ouput snr as the best rule correlates nonstop divided signal and divided echo to detect low snr target signal. then all one dimension divided correlation outs and done fft in portrait to leach interferential signal such as static or low rate mussy meaves, many pathway echo and so on and to take target ' s time difference and doppler frequency that combine parameters that target ' s direction taken from antenna and so on to implement target ' s orientation and tracking
具體研究方法如下： 1 、採用以輸出信噪比最大為準則的最佳匹配濾波器來對分段的參考和目標信號作相關處理來檢測低信噪比目標信號，然後對一維分段相關輸出組作縱向傅立葉變換來濾除靜態或低速的雜波、多徑回波等干擾信號，並提取目標的時差和多普勒頻率，再結合由天線獲得的目標方向等參數，就可以實現目標的定位和跟蹤。Annex b introduce a voice activity decision ( vad ) algorithm which class speech signal as voice signal and background noise signal
Annexb提出了一種靜音壓縮演算法（ vad ） ，它將語音信號分為話音信號和背景噪聲信號。2 ) set threshold in stationary wavelet domain to separate edge and noise, estimated wavelet coefficients in texture area to reconstruct the interferogram
3 ）在靜態小波域設置濾波閾值以區分邊緣和噪聲，根據map準則來確定信號的小波系數，然後重建干涉相位圖。The precise clock source is crystal oscillator made of 74hc04 ; the mute circuit can conceal the error and solve the problem of noise ; the antenna switching circuit in the receiver is to select one antenna from two which receives signal better. it can improve the quality of the receiving audio signal, restrain the noise effectively and promote the system performance
高精度的時鐘源是由74hc04構成的晶體振蕩器;靜音電路將出錯的音頻信號進行差錯掩蓋，很好地解決了噪聲問題;接收機採用兩副天線切換工作，提高了音頻信號接收質量，有效地抑制干擾，提升了系統的性能。The clues and techniques to improve the resolution of data processing are 1 ) removing the affection of near surface factors on data acquisition, including static correction and noise eliminating technique etc, 2 ) broadening the frequency band of pre - stack seismic data, including amplitude compensation and pre - stack deconvolution etc, 3 ) improving s / n ratio of high frequency and weak reflection signals through multiple coverage with high precision velocity analysis, residual static correction and high - order nmo, raising " dead line of high frequency reflection ", and 4 ) identifying post stack effective reflection frequency band, enhancing dominant frequency and so on
主要包括：消除近地表因素對資料採集的影響，包括靜校正和噪音壓制技術等；疊前拓寬地震資料領帶，包括振幅補償和疊前反褶積技術等；藉助高精度速度分析、剩餘靜校正和高次項nmo技術，通過多次覆蓋疊加，消除資料中隨機噪聲干擾、提高資料信噪比，尤其是高頻端反射信息的信噪比，改善高頻反射和弱反射信號信噪比，提高「高頻反射死亡線」 ；疊後有限反射頗帶識別、抬高優勢頻率等。Therefore, aiming at the existent static and dynamic error of fcs sensor, the sensor characteristic compensation subunit is designed in the environment of labview using vi technique. the sensor signal disposal platform is also developed to realize the time domain measurement, frequency domain analysis, long - distance transfer and network release, etc. firstly, the static characteristic and nonlinear error of the sensor are analyzed
為此，本文針對飛控系統傳感器存在的靜態和動態誤差，利用虛擬儀器技術在labview環境下設計了傳感器性能補償環節，開發了傳感器信號處理平臺，對信號進行時域測量、頻譜分析、小波消噪、遠程傳輸和網路發布等。Aiming at latent damage induced by esd, 1 / f noise spectrum and a new method similarity coefficient based on the matched maxima of wavelet transform modulus are offered at the same time
針對靜電在mos器件中引入的潛在損傷，在使用1 / f噪聲功率譜監測的同時並提出了一種新的由1 / f信號提取得到的基於子波變換極大模的相似系數表徵法。The input value of static weighing system is instant and the interference is small. nsr is high, then interference signal is ease to dispose. while dynamic weighing systems have different signal modes, yawp interference magnitude size and mode when it is in different facilities and different testing objects. in this thesis has optimum attempt in this point and find a solution which has perfect practicality
動態定量稱量技術是一項很有前景的技術，在我國發展也有很久了，但是這方面的技術還是不成熟，由於動態比靜態稱量要復雜得多，靜態稱量由於輸入值是恆定、干擾小、信噪比大，干擾信號易處理；而動態稱量系統對不同的設備、不同的測試對象產生的信號形式、噪聲干擾大小、方式均不同。A algorithm is presented to identify dynamic crosstalk noise. in the course of dynamic crosstalk noise identification, hybrid timing analysis is used to provide accurate signal arrival time, which can provide more accurate timing information than static timing analysis. at the same time, a novel test generation is chosen to verify the correlation of signals. so dynamic crosstalk noise can be identified by these accurate timing and logic information
提出了動態串擾噪聲的識別演算法.針對基於傳統靜態時序分析的結果過于保守的缺點，本演算法引入了混合時序分析，縮小了時間窗區間，為動態串擾噪聲的識別提供了準確的時序信息，與此同時，通過測試生成來驗證信號間的邏輯關系，根據這些準確的時序及邏輯信息，識別出動態串擾噪聲2 ) tansformed the real part and imaginary part of interferogram to stationary wavelet domain, analyzed the pdf of signal and noise wavelet coefficients using pearson distribution system, then evaluated the wavelet coefficients of signal in stationary wavelet domain by maximum a posterior ( map ) criteria to reconstruct the interferogram
2 ）將干涉圖的實部和虛部分解到靜態小波域，用pearson分佈系作近似，分析了信號和噪聲小波系數的概率密度函數，在靜態小波域用map準則估計信號的小波系數用於干涉圖的重建。It is shown in mechanism analysis that 1 / f noise originating from border traps is ~ sensitive to both of the oxide charges and interface traps induced by esd and hci and the similarity coefficient can express the local characterization more thoroughly, while the changes of electrical parameters usually lie on one of the defects
機理分析表明，起源於邊界陷阱的1 / f噪聲對于靜電和熱載流子誘發的氧化層電荷和界面陷阱兩類缺陷都同時敏感，而相似系數更能反映1 / f信號的局域特性，但電參數的變化通常主要取決于其中一類缺陷。3d dynamic optimization is a kind of technique that automatically separates image signal and interfering signal through a time and space integrated analysis, effectively restrains the interfering signal through adjustment and carding, so as to eliminate the slight noise and interference of the picture and remarkably improve definition of dynamic and static pictures
3d動態優化，即通過一個時間和空間的綜合分析處理，自動分離圖像信號和干擾信號，通過調整和梳理對干擾信號進行有效的抑制，消除了畫面的細微噪波和干擾，顯著提升了動態與靜態畫面的清晰度。分享友人