stationary noise 中文意思是什麼

stationary noise 解釋
平面雜訊
  • stationary : adj. 不動的，靜止的，不變的；不增不減的，固定的，裝定的。n. 1. 不動的人，固定物。2. 〈pl. 〉駐軍。n. -ariness
  • noise : n 1 聲音，聲響。2 叫喊；嘈雜聲，噪音；喧鬧聲；吵鬧，騷動，騷擾。3 〈古語〉謠言，風聲。4 〈美國〉...
  1. The method of detection on transient signal by the slice of cyclo - bispectrum in stationary random noise is proposed in this paper, simulation results are presented also

    摘要提出一種在平穩隨機噪聲中檢測暫態信號的循環雙譜切片方法，同時給出模擬結果。
  2. Acoustics - measurement of airborne noise emitted by earthmoving machinery operator ' s position - stationary testing condition

    聲學.測量土方機械操作者位置發出的氣載噪聲.靜態試驗條件
  3. But, the eeg signal that we can acquired is very weak and is badly contaminated by strong background noise, such as electrooculogram ( eog ), electrocardiogram ( ecg ), and line noise ( 50hz or 60 hz power frequency interference ), etc. eeg is a typical non - stationary random signal with a certain extent of non - gaussian and non - linear character

    但是我們能夠獲得的腦電信號一般非常微弱、並伴有很強的背景噪聲，是一類典型的非平穩的隨機信號，且存在一定的非高斯性和非線性。傳統的分析處理方法一般將腦電信號近似認為是線性的準平穩的高斯分佈隨機信號，這使得分析結果往往不能令人滿意、實用性差。
  4. 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。
  5. Acoustics ; measurement of noise emitted by stationary road vehicles ; survey method

    聲學.道路車輛靜止狀態時發出的噪音測量.檢測方法
  6. In this paper, the self - adaptive filter, the wavelet transform and the fourier transform are used to detect the stationary and the non - stationary signal of underwater sound in anisotropic noise field

    本文以各向異性噪聲場為例，分別對聲矢量信號中的聲壓、振速探討應用自適應濾波、小波變換、短時傅里葉變換檢測水聲平穩和非平穩信號的應用效果。
  7. Measurement of noise emitted by stationary road vehicles

    道路車輛停車排放噪聲的試驗方法
  8. The statistic of wavelet transform coefficient algorithm can solve the periodic noise, high - energy noise and some non - gauss noise simply and effectively ; bi - spectrum can acquire more information from the original signal than power - spectrum, detect more information except from range and restrain the gauss noise. short - time speech signal can be considered as stationary and with periodic non - gauss signal, so we can make use of bi - spectrum to obtain the speech character and separate the speech and noise and detect morse telegraph signal ; complex number spectrum variance algorithm is put forward based on the deeply observing speech data, it is a new algorithm, experiment show that it is simple, effective

    統計演算法在解決周期信號、高能噪聲和高斯信號方面有獨特之處，能簡單有效提取以上噪聲的特徵;雙譜能夠提供比功率譜更多的有用信息，有效地檢測信號幅度之外的其它信息，並能有效抑制高斯噪聲，短時語音信號一般認為是平穩且有一定的周期性的非高斯信號，因而可以利用雙譜來提取語音信號特性並實現信噪分離;復數譜方差演算法是在對語音信號進行深入觀察和分析的基礎上而提出來的一種全新的語音特徵提取方法，此方法簡單而有效的提取了語音、噪聲的特徵以及檢測莫爾斯信號，基於實驗表明，該演算法取得了很好的效果。
  9. 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。
  10. Measurement of exterior noise emitted by earth - moving machinery - stationary test conditions

    工程機械定置試驗條件下機外輻射噪聲的測定
  11. It also studies the influencing factors including sampling frequency, pd waveform, decline time, time intervals between pd pulses, mother wavelet, center frequency of interference, entropy threshold value and snr. in addition, it applies wavelet packet method （ wpm ） for non - stationary signal de - noising in on - line pd monitoring and analyzes the processing results under different pd waveform, sampling frequency and noise level. firstly, the curve of pd

    基於小波包變換的非平穩信號消噪演算法（ wpm ）已較為成熟，本文將其應用於局部放電在線監測，通過研究其對不同局放波形、采樣率、噪聲水平下的處理效果，首次提出了理想白噪聲條件下提取局部放電信號的曲線，分析了各種因素對該演算法下信號失真的影響。
  12. We consider a causal, stationary, autoregressive, moving average [ arma ( p, q ) ] process with heavy tailed noise variables. we develop the definition of the inverse autocorrelation function, and obtain the g - spectral estimator of the inverse autocorrelation function

    本文基於噪聲序列具有重尾分佈的因果、平穩自回歸滑動平均[ arma （ p ， q ） ]過程，給出了其逆自相關函數的定義，並且給出了逆自相關函數的g -譜估計。
  13. Then, this paper presents a fast time - delay estimation algorithm ficp ( fine interpolation of correlation peak ). this algorithm can effectively reduce the impact of signal non - stationary and improve the accuracy of tde ( time - delay estimation ) without increasing calculating complexity. what ' s more, it can reduce the interference caused by wide band noise

    為降低信號非平穩性的影響，提高時延估計的精度，文中提出了一種快速相關峰細化時延估計演算法ficp （ pineinterpolationofcorrelationpeak ） ，此演算法精度高，速度快，另外還可以抑制寬帶噪聲的影響。
  14. The algorithm can effectively separated the small moving target from the rela - tively stationary backgrond according to the differences among the small moving target, back ground interference and noise by inhibiting the background and enhancing the target

    這種演算法根據運動小目標，背景干擾和噪聲在圖象序列中的差異，能夠抑制背景，增強小目標並將其從相對靜止的背景中有效地分離出來。
  15. This paper presents a new method for speech recognition in stationary noise

    介紹一種平穩噪聲環境下語音識別的新的方法。
  16. Broadband stationary noise

    寬帶穩態噪聲
  17. Experiment results show their shortages under varying noisy situations. chapter 4 and chapter 5 detail our new algorithm and its implementation. to overcome the traditional vad parameters " poor performance in non - stationary noise, a new vad algorithm based on lp residue is proposed in chapter 4

    其中第四章通過分析語音信號參數的特點，以獨創的基於線性預測殘余信息的vad參數結合其他幾種經典vad演算法參數的優點，提出一種新的vad技術來改進現有的g . 729演算法。
  18. Meanwhile, motion compensation method is used for amfp to improve the localization effect. with strong interferes at surface, non - stationary noise field and mismatch environment, subspace motion compensation method and efficient amfp system frame are proposed and confirmed by simulation and real data

    針對存在水面強干擾、非平穩噪聲場和海洋環境參數失配的一般淺海復雜水聲環境，提出了基於子空間分解的運動補償演算法和自適應匹配場定位的系統解決方案，並通過模擬數據和實驗數據進行了驗證。
  19. Secondly, functional derivation is employed to analyze the two - dimensional colored noise in the third order laser model with dispersive medium. the stationary intensity distribution is derived. the variation of the most probable intensity with pump parameter and noise intensity correlation time is investigated

    其次從色散型介質中三次激光模型出發，通過泛函導數，應用小近似計算兩維色噪聲，得到激光場定態強度分佈，研究了定態強度分佈的極值點隨抽運參量和強度噪聲相關時間的變化情況。
  20. Forestry self - propelled machines. measurement method of noise emitted when stationary

    林業自行式機械靜態車外噪聲.測量方法
分享友人
分享到 Line

分享到臉書