matrix correlation 中文意思是什麼

matrix correlation 解釋
矩陣相關
  • matrix : n (pl matrices 或matrixes)1 【解剖學】子宮;母體;發源地,策源地,搖籃;【生物學】襯質細胞;間...
  • 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。
  1. Cycle frequency - based blind beamforming shows the performance degradation due to cfe ( cyclic frequency error ). an improved algorithm is presented in literature 6, which adopting forgetting factor in estimation cyclic correlation matrix would largely depress the sensitivity of cab to cyclic frequency error. by using this method, the improved algorithms of the c - cab and ecab algorithms are presented in this dissertation

    針對基於循環頻率的盲波束形成演算法對循環頻率誤差cfe ( cyclicfrequencyerror )很敏感而導致演算法性能下降的情況,參照文獻[ 6 ]提出的遺忘因子cab演算法,提出了c - cab演算法以及基於特徵空間的盲波束形成演算法( ecab )的改進演算法。
  2. By whitening the covariance matrix of flat ambiguity, correlation between ambiguity components, the number of local extrema of cost function is reduced. the search program getting into precocity is avoided by suitable encoding and genetic operation

    通過白化處理模糊度,減少模糊度搜索中指標函數的局部極值點,採用適當的編碼和遺傳操作使得在種群個體較少的情況下避免搜索陷入早熟。
  3. Correlation between reactive oxygen species and bone matrix in postmenopausal women

    絕經后女性活性氧與骨基質的相關性
  4. Two indexes was calculated to estimate the best bands union for color combination, one is optimum index factor ( oif, the sum of standard deviation divided by the sum of correlation coefficient. ), the other is the determinant of the co - variance matrix. it can be seen from the result that for color combination the original optimal bands were tm 4, 3, 7 and tm 4, 3, 5, the best mixed images were mnf1, br and ndvi

    以協方差矩陣行列式值和最佳指數值(組合波段標準差之和除以相關系數之和)為評價標準,得出對于tm原始波段而言,最佳的彩色合成組合是tm4 、 3 、 7和tm4 、 3 、 5 ;綜合幾種變換圖像的彩色合成的最佳組合是mnf1 、 br 、 ndvi 。
  5. It is especially attractive for the downlinks and suppressing intercell mai. when multiuser detector is adapted in blind mode, it usually adopts eignvalue decomposition or singularvalue decomposition of received sample correlation matrix and tracking alrithgms, which result in high computational complexity. at the same time, approximation computation in tracking alrithgms also result in slow convergence

    為實現盲自適應檢測,通常採用對接收信號樣本矩陣進行特徵值分解( evd )或奇異值分解( svd )后進行跟蹤,由此帶來的子空間秩跟蹤使得實現復雜度很高;另一方面,在跟蹤演算法中考慮一些實際情況而作出近似處理,從而引起誤差積累和正交性誤差,導致每次跟蹤開始階段跟蹤速度變慢。
  6. 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。
  7. 3. compared with some exist methods of the polarimetric characteristic extraction, an algorithm based on correlation matrix is presented

    3 .在比較目標極化狀態現有提取方法的基礎上,提出了一種基於相干矩陣的極化特徵提取演算法。
  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. However, there still exists correlation between coefficients of sub - matrices after 4d - mdct. this thesis proposes a four dimensional matrix video coding method based on context to get rid of the correlation between coefficient sub - matrices further. it includes three parts as follows : firstly, this thesis presents a four - dimensional matrix video encoder and decoder model, which contains components of prediction, transform and entropy coding

    實驗結果表明,該方法與傳統的二維編碼方法相比,具有高壓縮比和高圖象質量的優點;與矢量量化編碼相比,具有碼表體積小,計算復雜度低的特點;與霍夫曼編碼方法相比,在相同信噪比的條件下,對運動相對劇烈的視頻序列壓縮效果要更好。
  10. In the random matrix theory, the 1 - level correlation functions

    在隨機矩陣理論中, 1 -級相關函數
  11. It is important to apply influence analysis, computing of correlation - conefficient and charactrestic value of the design matrix and ridge regression to set models. the quality of model is developed

    數據分析:影響分析和設計矩陣的相關系數和特徵值計算及嶺回歸技術的應用對改進模型的品質起到了重要作用。
  12. Material balance and energy balance equations of complex multi - effect evaporation system were expressed in matrix equation, which has the advantages of clear structure and high modularization. by holding or omitting correlation block - matrix in matrix equation, matrix equation could be used to describe the difference of forward - feed, back - feed and cross - reed multi - evaporation system with or without solid separation, extra steam being led off to preheat material liquid, condensation water flash, or solution flash. the models include design and operation

    該模型利用矩陣方程具有結構清晰和高度模塊化的特點,將復雜多效蒸發系統的物料及熱量衡算方程組以矩陣形式表達,通過保留或舍棄矩陣中特定功能模塊,模型就能代表有或無固相析出、有或無引出額外蒸汽預熱原料液、有或無冷凝水閃蒸、有或無溶液閃蒸等不同情況以及各種情況任意組合的併流、逆流、錯流多效蒸發過程,從而實現模型的通用性。
  13. Then, sage adaptive filtering usually used in kinematic gps navigation and positioning and its shorcoming are analyzed. the weights of measurement residuals and state correction residuals are modified according to the self - correlation property of colored noise and robust estimation. the procedure of weighte d prediction of covariace matrix not only resists the influence of outlying kinematic model errors, but also controls the effects of measurement outliers

    然後,分析了目前常用於有色噪聲處理的sage自適應濾波及其在動態gps導航定位應用中的缺陷,並依據有色噪聲的自相關特性和抗差估計調整觀測殘差和狀態改正數的權比,再通過加權預報控制殘留在其中的異常對協方差矩陣自適應估計的影響。
  14. 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。
  15. Very recently, schiller and muether at tubingen university suggested a new decomposition approach of the dbhf g matrix, and used to calculate the nucleon self - energy. they, sepa rate the g matrix into a bare nucleon - nucleon interaction v and correction term a g. the projection method is only applied to the correlation term a g, which is parameterized by four pseudo - mesons. then the nucleon self - energy in the dbhf can be calculated with the g matrix in the relativistic hartree - fock approximation

    裸相互作用部分,即單玻色子交換勢v對核子dirac自能結構的貢獻可以通過相對論hartree - fock方法得到,只把關聯部分用投影方法處理,並參數化為四種具有無窮大質量贗介子的交換,耦合常數與質量的比值是常數,從而關聯部分g對核子自能的貢獻也可以通過相對論hartree - fock方法求得。
  16. A kind of mud based on transversal equalizer is recommended, and the performance analysis of ds - cdma systems based on that mud has been done under synchronous channels. then the expression of output signal is deduced. also, the relations among sinr of output signal, snr and correlation matrix of spread code the least mean square error ( lms ) adaptive algorithm is applied to the mud

    論文引入基於橫向均衡結構的多用戶檢測器,用矩陣方法推導了awgn通道下、同異步系統中信號輸出表達式,依據最小均方差準則,討論了同步方式下檢測器的輸出信號干擾比與信噪比、擴頻碼相關陣以及用戶功率大小等因素間的關系。
  17. The nucleon dbhf self - energy in the nuclear medium, therefore, can be calculated with the g matrix in the relativistic hartree - fock approximation. with the calculated nucleon self - energy in the dbhf, we extract nucleon effective interactions hi the framework of the relativistic mean field theory ( rmf ), which contains the effect of the nucleon - nucleon short - range correlation and information of the isospin structure. applying the effective interaction, which is composed of density dependent meson - nucleon coupling constants, we study the properties of finite nuclei and come to some useful conclusions

    本文應用相對論dirac - brueckner - hartree - fock ( dbhf )方法,利用新的g矩陣分解方式g = v + g ,用g矩陣在相對論hartree - fock近似下,即等效的dbhf方法,系統地討論了對稱、不對稱核物質及中子物質的性質,利用對稱及不對稱核物質中自能的dirac結構,我們提取出含有核子-核子短程關聯效應和同位旋結構信息的有效相互作用介子耦合常數,並對有限核的性質做了詳細的討論,得到不少有意義的結果。
  18. One of the multiphase sequence construction method is advanced by suehiro. the method is based on fh sequence and matrix. we can get more address codes and the correlation of the code is excellent

    為了突破這種限制,多相序列的研究已引起學者們的更多關注,其中suehiro的一種多相序列構造方法較為典型,他在fh序列的基礎上用矩陣論的方法構造出多相正交序列,使獨立地址碼的數量更多,相關性能更好。
  19. To predigest deployment and optimization process, correlation matrix method was put forward based on mfd logic on the premise of ignoring self - correlation between maintenance techniques

    為簡化配置優化過程,在忽略各維護技術方法之間的自相關關系前提下,基於維護功能配置邏輯,提出了相關矩陣法。
  20. Upon using an artificial neural network ( ann ) a new short - term climate forecast model with the monthly mean rainfall in june in the north of guangxi as predictand is established making empirical orthogonal functions ( eof ) to the 36 predictors ( 15 ssa predictors, 21 500hpa height predictors ) with over 0. 05 significant correlation level of previous 500hpa height and sea surface temperature ( sst ) field, and selecting the high relative principal components, at the same time, a new approach of constructing ann learning matrix is developed. predictive capability between the new model ( principal components ann model ) and linear regression model for the same predictors is discussed based on the independent samples and historical samples

    本文通過對廣西北部6月平均降水量(預報量)同北半球月平均500hpa高度場和北太平洋月平均海溫場進行相關普查,選取了前期36個同預報量相關顯著水平達到0 . 05以上的預報因子( 15個海溫場預報因子, 21個高度場預報因子) ,並運用自然正交函數展開方法對這36個前期預報因子展開,取其中同預報量相關程度高的主成分,結合人工神經網路技術,提出了一種新的構造人工神經網路學習矩陣的方法,建立了一種新的短期氣候預測模型。
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