correlation filter 中文意思是什麼

correlation filter 解釋
相關濾波器
  • 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。
  • filter : n 1 濾器,濾紙,過濾用料[砂、炭等]。2 【無線電】濾波器;【物理學】濾光鏡,濾色器。vt 過濾,用過濾...
  1. 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。
  2. Signal channel is composed of photodetection preamplifier and filter circuit, reference channel and correlation demodulator are realized by labview

    信號通道由硬體實現,包括光電探測前置放大電路及濾波電路;參考通道及相關解調器部分則利用labview軟體編程實現。
  3. The effort of manganese removal was studied and the kinetics of manganese removal was tried to establish. the factors of dissolved oxygen concentration, fe2 + concentration, ph, p concentration and closing of the filter were studied to evaluate their effort for biological manganese removal, and the correlation of residual manganese and oxidation - reduction potential was also discussed. as the iron content of water was high, experiment results showed that the reaction was zero order, as the iron content of water was low, the reaction was first order. the time needed for the cultivation of biological manganese removal was 60 70 days. the filter operated at the filtration rate of 8 10m / h, silica sand of effective size 0. 95 1. 25mm filled the filter to a depth of 1200mm

    試驗結果表明,成熟后濾砂表面濾膜的x射線衍射圖譜與mno _ x ? 5h _ 2o ( x = 1 . 86 )的x射線衍射圖譜一樣,濾膜成熟后的結構在進水物質不發生變化的情況下不發生變化;合適的碳磷比對生物除錳有明顯的促進作用,試驗條件下的投磷量不會對出水造成二次污染;生物除錳需要亞鐵的參與,亞鐵的存在除了能夠促進微生物分泌胞外酶並刺激其活性外,還通過鐵離子的變價傳遞電子,催化錳離子的氧化反應,從而促進對二價錳的降解。
  4. 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。
  5. However, based on non - linear method, fmh depicts the facts of stock markets. secondly, this treatise summarize the methods of how to test the efficiency of stock markets, such as serial correlation test, run test, and filter test

    本章首先闡述了文章的選題背景、選題意義以及選題目的;其次,分別綜述了國外、國內研究動態;然後,總結了全文的研究思路和方法;最後,指出文章可能的創新之處。
  6. 2, the optimal designed digital matched spatial filter ( dmsf ) was used to perform real - time optical correlation, which not only has the merit of large storage and renewability as well as common digital filter, but also has the virtue of high correlation s / n which the holographic optical filer owns

    2 、優化設計的數字空間匹配濾波器,既有數字濾波器的大存儲容量並可實時刷新的特點,又有全息光學濾波器高相關s n的優點。對于處于嚴重背景噪聲干擾下的多個畸變目標,也可獲得高相關s n 。
  7. The final results obtained in this paper contained that the optimal interpolation scheme highlighted by the covariance that the correlation between different time and the correlation between different place being considered ; that the simplification of kalman filter with the singular - value decomposition ( svd ) and the direct construction of state transition matrix pfeceded with " inverse vector expression " ; and that the analysis of t / p data and its blending with theoretical model

    這些成果包括:建立考慮了時間相關的方差矩陣和時空相關的最優插值演算法;對卡爾曼濾波演算法進行了svd簡化以及建立了顯式的狀態轉移矩陣;將t p實時衛星數據進行調和分析並與數值模型進行同化處理。
  8. By means of the echo auto - searching algorithm, the automatization of signal processing is realized. the filter algorithms are given to eliminate electric and pulse noise, the measuring reliability is improved greatly. furthermore, the accuracy of time difference measure is improved greatly by using the correlation algorithm and the wavelet algorithm

    提出的自動搜索回波演算法,實現了回波數據處理的自動化;給出的改進滾動去極數字濾波演算法和極值濾波演算法,消除了電噪聲和脈沖噪聲,提高了測量的穩定性;提出的插值相關流量測量演算法、小波包絡壓力測量演算法大大提高了測量的精度。
  9. The paper analyze many methods of water demand prediction which include many up to date methods and some in common use, and it bring forward some new combinatorial methods which can meet the need of optimization model in precision, such as season exponent, auto adapt filter, season exponent combined grey model, etc. based on the cost and time of modeling jt mainly study the macroscopic network model which describes the correlation between nodal pressures and water plant discharge

    針對時用水量預測模型,採用季節指數法、自適應指數平滑法、季節指數聯合自適應過濾法、指數平滑聯合自回歸法、季節指數聯合灰色系統法等具體預測方法,其中數種方法預測精度達到工程要求。實踐結果表明,開發的聯合法效果較好。考慮到管網宏觀模型不但能描述整個管網的工作狀態,而且建模所需成本低,運行速度快,省時省力,主要研究了管網宏觀模型的建立方法,分析測壓點布置原理並編製程序。
  10. The major contributions of the dissertation are as follows : 1. it is well known that the multi - value cdma spreading codes can be designed by means of a pair of mirror multi - rate filter - banks based on some optimizing criteria. the dissertation indicates that there exists a theoretical bound in the performance of its circular correlation property, which can be described by an explicit expression. based on this analysis, a criterion of maximizing entropy is proposed to design such codes

    研究了基於兩帶鏡像多速率濾波器組來設計的多值cdma擴展碼的方法,並推導出了基於這種方法設計的碼序列在循環相關特性方面所能達到的極限,以及達到此理論極限時應滿足的條件;在此基礎上,提出了一種基於熵最大化準則來產生cdma擴展碼的設計方法。
  11. Under the condition of " comparatively weak correlation between the two noises involved, coherence function is used as a frequency domain amplification factor for improving snr of the output signal to the filter and the speech enhancement effect. meanwhile, a real - time recursive algorithm is put forward in substitute for current algorithms based on short time fourier transform. the new algorithm will simplify computations and will be suited for real - time implementation together with the adaptive systems

    接著針對上述nanc系統兩路輸入信號噪聲相關性弱的情況,用相干函數作頻域增益因子來提高輸出信噪比與改善語音增強效果,同時,通過一種實時迭代演算法解決了短時傅氏變換計算量大的問題,簡化了計算,便於實時處理與實際應用。
  12. The paper firstly analyses the fundamental principles of the direct sequence spread spectrum technique, the arithmetic in the frequency - domain by using the technology of the spectrum correlation adaptive filter

    本文首先就設計中選擇採用的直接序列擴頻技術、以及在頻域中實現直序擴頻信號中多窄帶干擾抑制的自適應演算法的基本原理做了分析。
  13. Chapter 7 introduces and analyzes some timing error detection and feed - forward timing recovery algorithms for gmsk signal. the auto - correlation method is improved by using a post - filter. simulation results show that the improved method has better estimation accuracy

    首先分析比較了常見的gmsk符號同步的定時誤差檢測器演算法和前向定時參數估計演算法,並用后濾波的方法對定時參數估計的自相關法提出了改進,提高了演算法的估計精度。
  14. Based on the information fusion estimation theory, various information fusion structures and their algorithms are summarized, including centralized, decentralized, fusion mode and all - information mode. various kalman filters in the case of correlative infonnation arc summarized, including those with the correlation of measuring noise and system noise, those with colored noise and those in the case of one filter stimulating another. mathematical simulation results, as shown in figures 4. 3 through 4. 5, testify the validity of solving the problem of one filter stimulating another by using the method of prolonging fusion period

    基於信息融合估計理論,研究和總結了多傳感器系統中的各種信息融合結構及其演算法,包括集中式、分散式、融合式和全信息融合方式;研究和總結了各種相關信息情況下的kalman濾波,包括量測噪聲與系統噪聲相關時的kalman濾波、有色噪聲條件下的kalman濾波和濾波激勵濾波條件下的kalman濾波。
  15. The time - domain filter can then be used to select the narrow central portion of the cross correlation function ( ccf ), capturing virtually all of the signal but rejecting most of the noise

    對相關函數進行時域濾波,挑選出互相關函數中窄信號自相關函數部分,去掉剩餘的大部分噪聲能量,得到加窗互相關函數( ccf ) 。
  16. It further uses partial correlation analyses to filter out five financial ratios to be the explain variable candidates. by logit regression it finally develops an early - warning model with three explain variables

    對這五個指標進行logit我國商業銀行風險的早期預警模型研究分析,最終得到一個包含三個解釋變量的fogh模型。
  17. Gas filter correlation

    氣體濾器相關
  18. By comparing the image - preprocessing results of different processing algorithms, an optimized algorithm was decided to ensure satisfying correlation snr and preprocessing rate to be obtained. synthetic discriminant function ( sdf ) filters of the 3 - d targets were designed and the reference filter libs ( rfl ) were constructed to provide high correlation snr. real - time distortion - invariant optical correlation was realized by temporal - spatial multiplexing technique

    為了保證opr系統有高的相關信噪比( snr )及良好的實時性能,本文對不同圖像預處理演算法的處理性能及效果進行了比較分析,為opr系統選取恰當的圖像預處理演算法提供了依據;將時間多重化技術與空間多重化技術相結合,設計製作了三維目標的可實時刷新的sdf參考濾波器庫,為opr系統提供了高snr的相關輸出,從而實現了opr系統對目標的實時畸變不變光學相關;將人工神經網路( ann技術)用於相關信號后處理,有效提高了opr系統的識別效率。
  19. However, the correlation signal obtained by the classical matched filter is associated with large correlation sidelobes, large correlation bandwidth, and low optical efficiency

    克服了經典的匹配濾波相關存在大的相關旁瓣、很大的相關帶寬和低的光效率等缺點。
  20. Study a multifactor fuzzy synthesis track correlation algorithm, a two hierarchical filter algorithm and the present statistical model in this paper

    本文對多因素模糊綜合決策航跡相關演算法和二次濾波演算法及當前統計模型進行了研究。
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