correlation estimate 中文意思是什麼

correlation estimate 解釋
相關函數估計
  • 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。
  • estimate : vt 1 估計，估算；估價；估量。2 評價，評斷。3 〈古語〉尊重。vi 估計，估價。n 1 估計;預測；〈英國〉...
  1. ( 5 ) parameterization of infrared satellite cloud imagery and its application in rainfall predication obvious correlation exist between the probability of rain and parameterization estimate such as average brightness temperature ( tb ), brightness temperature variance ( f ), equivalent cloudage ( cn ), brightness temperature area index ( al - the first a5 - the fifth grade, a6 - the sixth grade )

    （ 5 ）衛星雲圖參數化及在降雨預測中的應用紅外衛星雲圖參數化估計值，與局地降雨過程的發生、發展具有較為密切的關系。相關較密切的參數有平均亮溫、亮溫方差、等效雲量、亮溫面積指數（ 1級、 5級、 6級） 。
  2. In order to solve this contradiction, reservoir engineering methods are used to estimate the exploitation process about the block, which including water drive curve method, the correlation experience method, the method of the flow pipe budgetary estimate and the method of well net density. on the basis of these method, the author studied the macrocospical distributing of remaining oil in each layer

    針對單元開發過程中存在的突出矛盾，運用水驅曲線法、相關經驗公式法、流管概演算法、合理井網密度法等油藏工程方法對斷塊的開發歷程進行評價，在此基礎上進行各小層剩餘油的宏觀研究。
  3. This study was conducted to examine the interrelationship of 10 seed vigor traits in 12 wheat genotypes through variance, co - variance and path coefficient analysis, to determine broad - sense heritability, and to estimate genetic advance under selection. the genotypes showed significant difference for all traits, except for percentage of normal seedling. genetic correlation between conversion efficiency of seed reserve, electrical conductivity with other traits were not significant, showed that selection for any of them might be possible without hampering any other traits. however path coefficient analysis indicated that conversion efficiency of seed reserve, seed reserve utilization ratio have strong direct effect in affecting seedling weight, and that mean germination time has significantly negatively correlated in affecting gi. moderate to high estimates of broad - sense heritability, genetic coefficient of variation and expected genetic advance were obtained for electrical conductivity, germination index, mean germination time, seed dry weigh, seedling dry weigh, seed reserve depletion ratio indicating the possibility for improving these traits

    本研究利用12個普通小麥品種對10個種子活力性狀的遺傳變異和相關研究，表明除正常幼苗百分率外，其餘種子活力性狀在品種間均存在顯著的差異.種子貯藏物質轉換效率、電導率兩個性狀間及與其它性狀均無顯著的遺傳相關，因此對他們的選擇不會影響到其它性狀.通徑分析表明幼苗干重主要取決于種子貯藏物質轉換效率、種子貯藏物質利用速率;發芽指數主要由平均發芽時間決定.電導率、發芽勢、幼苗干重、種子干重、發芽指數、種子貯藏物質消耗比率6個性狀表現中到高的遺傳力、遺傳變異系數和相對遺傳進展，指明通過遺傳育種手段改良這些性狀是可能的
  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. From results we know that correlation of return time series is not obvious, but correlation of the square time series of return, i. e., variance time series, is clear. so we use garch model to estimate conditional variance, and calculated parameters in model by the way

    應用相關性分析，得出了收益率序列之間不存在明顯的序列相關性，而收益率平方序列存在顯著的相關性，即方差序列存在相關性，因此我們使用g刁rch模型建模來估計條件方差，計算出了模型中的相應參數
  6. 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。
  7. 3 ) < wp = 12 > using perturbation analysis, the space - correlation loss and the bearing - estimated error for finite - bandwidth incoherently distributed sources are evaluated analytically, respectively. it is disclosed that bandwidth - induced bearing bias increases monotonously with the signal ' s relative bandwidth. when the relative bandwidth is not small enough to be negligible, the spatially - only processing cannot lead to accurate bearing estimate, that is, the joint space and time processing is necessary for high - precision bearing estimation

    3 ）利用擾動分析方法，解析評價了有限帶寬引起的非相干分佈源的空間損耗及其對波達方向估計的影響；分析表明，帶寬擾動引起的方向估計偏差隨信號相對帶寬單調增加；當相對帶寬無法忽略時，為了得到高精度的波達方向估計，需要進行聯合空時處理。
  8. This paper also show a rough estimate of the gains of this array, because it needs one year ' s data to collect one year ' s noise correlation variation curves and then give a more practical detection ability of the seismic array. one result of this paper is " seismic array site survery data processing software " exploited by the author. the software can calculate the power spectrum of noise for every site, noise coherence function for every site pair, the cross - correlation curves, the root mean square of noise for every site and the array response

    此外還計算了該臺陣的臺陣響應，發現臺陣響應的主瓣高而尖；旁瓣很小，這歪姐鈕遠宣腔撾踏數公鍍壁韶逼上攏唆精確啻應：有關此臺陣的檢測能力，只能給出一個粗略的估計，因為評價一個臺陣對地震事件的檢測能力需要獲得為期一年的觀測資料，才能給出一年內噪聲場變化的相關值曲線，最終給出更加符合實際的臺陣檢測能力。
  9. The discussed subjects include the modeling of image, the method used to estimate the initial values of the elements of exterior orientation, the strong correlation among the elements of exterior orientation, the ways to restrain it, the methods of object point positioning on the orientated stereo image pair etc. 3

    詳細討論了線陣ccd影像的構像模型，估算外方位元素初值的方法，外方位元素之間的相關性及克服其相關性的解算方法，在定向後的線陣ccd影像立體像對上進行目標點定位的方法等。
  10. Based on the characteristics, an auto - correlation function method is obtained to estimate fractal dimension

    研究離散高斯噪聲的自相關函數的性質。
  11. All of above make the miss distance of the missile difficult to estimate in shooting range. in order to solve these problems, a novel method for detecting and tracking small moving point target in image sequence is proposed in this paper, based on combination of the correlation of multi - frames and wave gate techniques. especially, the qualifications to confirm the target and the establishment of the wave gate based on size and characteristic moving parameters of the target are stressed in the paper

    針對目前靶場所面臨的測量目標小、距離遠、目標與背景對比度小，不具有形狀信息的實際問題，提出了一種基於多幀相關技術與波門選通技術相結合的快速目標識別與跟蹤方法，特別探討了多幀相關技術中目標確定的理論判據，並綜合考慮目標的尺寸因素和目標的運動特徵研究了一種新的波門設定方案。
  12. The correlation detection using the periodicity of the direct sequence autocorrelation function can estimate the symbol period at intermediate frequency or at baseband. simulation results indicate that the former is superior to the latter when the demodulated frequency is unequal to the carrier frequency

    時域相關檢測方法利用擴頻信號的周期自相關特性，能在中頻和基帶對擴頻碼周期進行估計，模擬結果表明中頻檢測時性能較好。
  13. There was a statistically significant and weak positive correlation between rers and rulrs ( r = 0. 63295 ), indicating that it is possible to estimate barley al - resistant ability using ul

    建立的大麥根尖超微弱發光技術用於鑒定大麥耐鋁性是完全可行的。首次研究了鋁毒誘導植物sce的效應。
  14. Because the detector based on the fourth - order cumulant 2 - d slice, which has better ability to suppress gaussian noise, possesses both characters of square detector and correlation detector, it can estimate not only the carrier frequency, but also the symbol period

    其中，基於四階累積量2 - d切片的檢測方法能夠很好地抑制高斯噪聲，並且兼顧了時域相關檢測和平方倍頻檢測兩種方法的特點，能夠同時估計出載波頻率和擴頻碼周期兩個參數。
  15. The shortcoming of spectral detection is its complexity and in need of long time to compute. a simple and powerful approach is cepstrum detection method, which can estimate pn sequence ’ s time period. using this parameter and the pn chip rate estimated by spectral correlation method, we can get another parameter, length of the pn sequence

    另外，本文還嘗試利用cdma信號的相位重復特性，解決各用戶pn序列的分離問題;但這種方法只能在有一定先驗知識的條件下，對包含較少用戶的ds / cdma信號有較好效果，能夠簡單快速的實現用戶pn序列的分離與估計。
  16. Motion estimate is the key skill in video coding, a way of between frames coding. it bases on the theory of temporal correlation between frames, to reduce temporal redundancy

    運動估計是視頻編碼的關鍵技術，它是一種幀間編碼的方法，其最基本的原理是利用幀間的時間相關性，減少時間冗餘度。
  17. The result show that the surface net radiative fluxes is linear to the solar radiation of top of atmosphere, the infrared radiative fluxes emitted by earth - atmosphere system and the solar radiative fluxes reflected by earth - atmosphere system. the correlation coefficient keep on a high level. and in this paper we develop the regression equations ( for all days and for cloud days ) to estimate the surface net radiation on an hour scale

    結果表明08 - 17時地表凈輻射通量與大氣頂太陽輻射、地氣系統發射紅外輻射和地氣系統反射的太陽輻射線性相關，相關系數維持在一個較高值，並建立了用衛星資料反演08 - 17時各時刻地表凈輻射通量的估算模式（適用於各種天氣情況） 。
  18. Applying correlation coefficient is a simple method to estimate the reliability coefficient, but many problems may sneak in it

    摘要利用相關系數是估計信度系數的一種簡捷方式，但也潛藏著許多可能的問題。
  19. Summarize the current classical algorithms of motion estimate, present integrated experimental data and comparisons, trim and put forward some basic theories of motion estimate. 2. research motion estimate by phase correlation way, bring forward a new technique of motion estimate on the base of phase correlation

    主要工作在以下幾個方面： 1 、總結現有經典的估計演算法，給出了較完整的實驗數據和比較結果，經過實際實驗數據，整理、提出了運動估計的一些理論基礎； 2 、從相位相關的角度對運動估計進行了研究，提出了一種新的基於相位相關的運動估計技術。
  20. Because of the reason above, a novel pn acquisition method using auxiliary sequence and binary search is proposed. because the cross correlation between auxiliary sequence and spread sequence is linear, some search algorism can be used to estimate the phase of incoming signal quickly without increasing the complexity of system

    因為輔助序列與擴頻序列的相關函數近似滿足線性單調性，可以利用快速搜索演算法，如：二分法，對接收信號中擴頻序列的相位進行快速搜索，在保證系統復雜度不變的前提下，降低序列捕獲的時間。
分享友人
分享到 Line

分享到臉書