correlation spectrum 中文意思是什麼

correlation spectrum 解釋
相關光譜
  • correlation : n. 相互關系,相關(性);對比;交互作用;【數學】對射,異射。 correlation index 關聯指數。 correlation mineral 對比礦物。
  • spectrum : n. (pl. -tra )1. 【物理學】譜,光譜;波譜;能譜,質譜。2. 【無線電】射頻頻譜;無線電(信號)頻譜。3. 【心理學】(眼睛的)余像;殘像。4. 〈轉義〉范圍,幅度;(連續的)系列。
  1. The program includes the infrasonic signal data acquisition of three channels, 3 - d dynamic spectrum analysis, correlation analysis of 3 channel infrasonic signals, the calculation of wave direction, the wave speed, the spectrum analysis at any length and a real - time infrasonic gravity wave pressure - time ( p - t ) curve

    本程序支持3路次聲波傳感器信號的數據採集、動態譜分析及次聲信號的相關分析、能計算波源的方位角、波速以及任意時間段的譜分析,並實時給出次聲重力波的壓力?時間曲線(即p ? t曲線) 。
  2. The signal process function of the software include these function : digital filter, windowing, auto - correlation function and cross - correlation function, mean and variance, probability density function and probability distribution function statistic ; auto - power spectrum, cross - power spectrum, frequency response function, coherence function, cepstrum analysis based on fft ( fast fourier transfer ) ; joint time - frequency analysis based on stft ( short - time fourier transfer )

    軟體的處理功能包括:數字濾波、時域加窗、自相關與互相關處理、均值和方差計算、概率密度和概率分佈函數計算;在快速傅立葉變換( fft )基礎上計算自功率譜、互功率譜、頻率響應函數、相干函數、倒頻譜分析;基於短時傅立葉變換( stft )的聯合時頻分析等。
  3. In the paper, we describe the whole configuration of the joint transform correlator ; introduce the correlative theories of joint fourier transform in detail ; in order to achieve better correlation result, the nonlinear processing of joint transform power spectrum ( jtps ) is put forward, the effect of jtps laplace sharpening and binary processing to the correlation image is given ; the method of the best binary threshold is determined ; we analyse the correlation image, present the way that removes liquid crystal diffraction spot, direct current spot and image noise, and binarize the correlation image finally

    本論文主要對提出的聯合變換相關的整體結構進行了描述;詳細介紹了聯合傅里葉變換的相關理論;為了得到更好的相關結果,本文提出對聯合功率譜進行非線性處理的方法,給出了聯合變換功率譜的拉普拉斯銳化和譜的二值化處理對相關峰圖像的影響及二值化最佳閾值的確定方法;對相關峰圖像信息進行了分析;提出了消除液晶衍射光斑、直流光斑和圖像噪聲的方法;最後對相關峰圖像進行了二值化處理。
  4. In this work, a new dual triangulate bluff body vortex flowmeter was developed, the flux lower limit value of which lower by 50 % that of the old single bluff body vortex flowmeter. the linear correlation of the correlation between the velocity pressures of fluid disturbs wave and that of vortex precession in vortex precession flowmeter was brought to light, and a spectrum phase discrimination method based on fft to remove the effect of fluid pulsating interference on vortex precession flowmeter was advanced

    研製出比傳統單鈍體渦街流量計流量下限降低約50的新型雙鈍體渦街流量計;揭示出脈動流中旋進旋渦流量計流體振動特性,並在此基礎上提出基於fft相位判別的數字信號處理方法來消除流場脈動對旋進旋渦流量計的干擾的方法。
  5. Due to the needs for the flat spectrum character, the leading sequence requires high self - correlation. the author selected a series of sequences whose highest peek to second highest peek ratio is big, from a series of " m " sequences. then, the optimized leading sequences were judged according to glf, the sequences which have lower glf would be more proper for the estimation

    首先,作者提出搜索的標準,根據前導序列要有平坦的譜特性,從而要有好的自相關性,從一種m序列中找出最大峰與次大峰比例較大的一些序列,然後根據增益損耗因子來判決最佳前導序列,增益損耗因子越小的序列越適于估計。
  6. In this paper, data gathered during 1957 - 1996 were used to study the climatological variability in the northern ecs, through statistical methods such as eof decomposition, correlation analysis, and maximum entropy spectrum analysis. the conclusions were drawn as follows : 1

    本文利用1957 1996年東海溫鹽的觀測資料,通過統計平均、 eof分解、相關分析、最大熵譜分析等方法,對東海北部夏、冬季溫鹽年際年代際變化特徵及其成因進行了初步探討,得到以下結論: 1
  7. In the transmiting port, optical encoder turns data bits into spread spectrum sequences, then, optical decoder retverts it to data bits with the theory of correlation decoding in the receiving port

    在發送端光編碼器將數據比特轉換成擴頻序列,在接收端光解碼器利用相關解碼原理將擴頻序列恢復為數據比特。
  8. There are mainly two type of algorithms used for spatial spectrum estimation : one is those based on bayesian maximum likelihood method, like the ml ( maximum likelihood ) algorithm, maximum entropy method and etc., the others are based on the spatial decomposition or projection of correlation matrix, this kind of algorithm include vector characterization method, music ( multiple signal classification ) algorithm, projection matrix method, etc. music is a classical spatial spectrum estimation algorithm that has a super high resolution and is widely used today, however, it cannot estimate doa of signals that are correlated

    空間譜估計的演算法大致分兩大類:一是基於極大似然估計和最大后驗概率估計統計理論的演算法,包括:極大似然估計法( ml ) 、最大熵法等;另一類是基於對協方差矩陣進行子空間分解或投影的演算法,包括:矢量特徵法、多重信號分類法( music ) 、投影矩陣法等。其中, music法是一種經典的空間譜估計主流演算法,具有超強的分辨性能,但它無法實現對相干信號進行測向分辨。
  9. By making use of the characteristics of pseudorandom spread spectrum sequence in time - domain, this thesis has studied the time - domain correlation detection method of the dsss / bpsk signal and proposed the time - domain difference - accumulation detection method of the dsss / bpsk signal

    利用擴頻偽隨機序列在時域上的特點,本文研究了dsss / bpsk信號的時域相關檢測方法,並提出了dsss / bpsk信號的時域累差檢測方法。
  10. Peak assignment in the region of 4800 - 6500cm - 1 is also completed by mir / nir 2d correlation spectrum in the region of 2800 - 3100 cm - 1 and 4000 - 4800cm - 1

    為利用中紅外區已知的、豐富的結構信息研究近紅外光譜帶的分辨與指派打下了基礎。
  11. In the first session the fans vibration on - line monitoring system is realized with vc language, also compile auto power spectrum density function, cross power spectrum density function, autocorrelation function and cross correlation function etc spectral analysis function to carry through simple offline fault diagnosis

    首先用穩定性強、擴展性好的vc + +語言開發了通風機振動在線監測系統,並編寫了自功率譜密度函數、互功率譜密度函數、自相關函數和互相關函數等頻譜分析函數來進行簡單的離線故障診斷。
  12. When combined with correlation accumulate technique and power spectrum collection - average technique, the temporal efficiency is enhanced

    將它與相關積累技術和功率譜集平均技術相結合,能提高該方法的時效性。
  13. The convergences of these algorithms are proved in theory. their output signal - to - noise ( snr ) is derived and bigger than that of the traditional adaptive line enhancer ( ale ). simulation with the torpedo - radiated data indicates that the proposed algorithms are much better than the ale and the short - time correlation based adaptive line enhancer ( scbale ) in suppressing gaussian noise and enhancing spectrum feature

    對該演算法的收斂性能進行了嚴格的證明,推導了該演算法輸出信噪比的計算公式,證明了該信噪比總是大於基於lms的自適應線譜增強器的輸出信噪比,定義了評價演算法性能的若干參數。
  14. Information of system auto and cross spectrum, auto and cross correlation. coherent function, signal to noise ratio, frequency response and impulse response was established to help the study and arrangement of the module components

    由力規及加速規兩量測之時域訊號,經快速富利葉轉換,計算其自頻譜及互頻譜,再經反富氏轉換回時域之自相關及互相關函數、相通函數、訊噪比、頻率響應函數、脈沖響應函數。
  15. And it improves the ber performance under the low snr condition. then the theory of the ar model and the random performance of the spread spectrum sequence, including co - correlation, balance are discussed

    主要討論了ar參數模型提取擴頻碼的基本思想和實現模型,並分析了提取出的擴頻碼的隨機性能,包括相關性,碼平衡特性和遊程特性。
  16. Through the i 、 q component of ipix radar sea clutter data " s histogram analyses and by skewness and kurtosis computed, it is been shown that sea clutter amplitude is not rayleigh distribution ; through the comparison of amplitude histogram and distributed models with the same parameters, it is been shown that hh polarization clutter is lognormal distribution, whereas vv polarization is k - distribution ; at the same time the correlation function and power spectrum density are been analyzed, at last the correlation compound k - distribution stochastic sequences whose covariance matrix is been given are been generated through sirp algorithm

    文中先介紹了海雜波幅度的有關模型,通過對ipix雷達海雜波數據的i 、 q分量的直方圖以及傾斜度和峰度進行了分析和計算,證明了海雜波幅度不服從瑞利分佈;使用幅度直方圖和相同參數下的各種分佈模型進行比較,得出hh極化符合對數正態分佈,而vv極化服從k -分佈的結論;同時對海雜波的相關函數和功率譜進行了分析,最後使用sirp演算法產生了給定協方差矩陣的相關復合k -分佈隨機序列。
  17. 2. the signal correlation spectrum is corrected to rectangle spectrum by using spectrum correcting technique and then added window to restrain distance sidelobe, and all one dimension divided correlation outs are added diversified windows to restrain rate sidelobe

    2 、利用譜修正技術把相關輸出信號頻譜修正成矩形頻譜,再加窗抑制距離旁瓣,對所有一維分段相關輸出組縱向加各種窗形抑制速度旁瓣。
  18. Perturbations that could change the secondary structure of protein are introduced in this thesis. appling 2d correlation spectrum, peaks conformation and their assignments in the region of amide i and iii are completed to the bovine serum albumin in the phosphate buffer solution under alkaline ph - independent perturbation

    以牛血清白蛋白為例,應用二維紅外相關光譜技術,綜合應用酰胺帶和酰胺帶信息,對堿性ph擾動下的牛血清白蛋白二級結構在紅外光譜酰胺帶和酰胺帶中的信息進行了譜峰確認及歸屬指派。
  19. Abstract : this paper first discusses the optimum method of feature choice in the fuzzy recognition of tank under the condition of different noise source interference. then, through quantitative analysis of the peak features of power spectrum and auto - correlation spectrum, it analyzes and contracts the recognition effects of tank under the condition of multi - source interference. finally, it gives the profitable results

    文摘:對不同聲源干擾條件下坦克識別的特徵優選方法進行了深入的研究和探討,在此基礎上,通過雙譜譜峰特徵的定量分析,對多源干擾時的坦克識別效果進行了分析對比,得出了有益的結論。
  20. This paper first discusses the optimum method of feature choice in the fuzzy recognition of tank under the condition of different noise source interference. then, through quantitative analysis of the peak features of power spectrum and auto - correlation spectrum, it analyzes and contracts the recognition effects of tank under the condition of multi - source interference. finally, it gives the profitable results

    對不同聲源干擾條件下坦克識別的特徵優選方法進行了深入的研究和探討,在此基礎上,通過雙譜譜峰特徵的定量分析,對多源干擾時的坦克識別效果進行了分析對比,得出了有益的結論。
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