cross-correlation method 中文意思是什麼

cross-correlation method 解釋
交叉相關法
  • cross : n 1 十字架；〈the C 〉 耶穌受刑的十字架。2 〈the C 〉 基督教（教義，國家）。3 不幸，苦難；挫折，...
  • 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。
  • method : n 1 方法，方式；順序。2 （思想、言談上的）條理，規律，秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. According to difference of speech waveform between transition segment and non - transition segment, dividing between sonant is researched using waveform cross correlation. a method of syllable segmentation is presented based on waveform cross - correlation. ( 2 ) pitch detection of speech signals

    為解決濁音之間的分割問題，本文根據語音中過渡段與非過渡段語音波形的差異，利用波形互相關性進行了研究，提出了基於波形互相關性的音節分割方法，並進行了實例分析。
  2. In order to remedy the faults of the traditional pipe - leak detector based on the straight - correlation analysis method which has high demand for hardware and high price, the pipe - leak detector based on the polarity correlation algorithm with the cross - zero method is presented, the hardware design and the test is finished, the result only with the error from 1 % to 3 % is gained, and its feasibility is testifies

    針對採用直接相關法的傳統相關測漏儀對硬體要求高、價格較貴的缺點，將極性相關的過零演算法應用於相關測漏，並設計了硬體結構，進行了實驗模擬，在實驗室條件下，測量誤差約為1 % ~ 3 % ，驗證了其可行性。
  3. This method uses two spatially separated receiving equipment. cross correlation of the two outputs will therefore yield the auto correlation function ( acf ) of the signal, plus noise which is spread uniformly over the whole width

    該演算法採用空間上分離的兩路接收設備，通過對包含同一個信號的2個輸出信號互相關，得到信號窄自相關函數（ acf ）和在整個帶寬里均勻分佈噪聲成分。
  4. By employing the capacitance and conductance arrays, the multiphase flow velocities are obtained by cross - correlation technique and a practicable method of the cross - correlation calculation based on the digital signal processing technique is discussed in detail

    利用電容電導陣列實現了多相流的相關測速，並給出了實用的基於數字信號處理技術的相關運算方法。
  5. Based on the analysis of sedimentary facies in individual wells and the correlation of three cross sections of sedimentary facies, it is elaborated that sedimentary facies of jianglingjiang formation are vertically and laterally developed within qianwei area. by the method of single - factor analysis, it is pointed out facies distribution of four key formations after thorough study of four geologic factors that could embody sedimentary environment and facies, that is the thickness of formation, grainstone and dolostone, and lithofacies. with the above results, combining with reservoir and structural features, of which the emphasis is the reservoir characteristics of different rock and microfacies types, it is pointed out favorable reservoir zones, by the method of multi - factors superposition

    採用單因素分析法，選取並研究地層厚度、顆粒巖厚度、白雲巖厚度和區域巖相等四種能反映沉積環境和沉積相的地質因素，指出了四個重點層段的沉積相平面分佈特徵；根據沉積相的研究成果，結合儲層特徵和構造發育特徵，著重討論了不同巖石類型和微相類型的儲集特徵，採用多因素疊合法對犍為地區嘉陵江組有利儲集相帶進行了預測，指出了有利儲集相帶的分佈。
  6. This method is proved to be an accurate solution of random vibration equation, in which all cross - correlation items, either between earthquake inputs or between participant modes are involved naturally. compared to conventional method, the computational efficiency of the developed method is much higher

    此法計算結果自動包含了振型間及各輸入分量間的相關項，理論上是隨機振動方程的精確解法，且與傳統方法相比可大大減少計算量，非常適合分析大型網殼這種自振頻率密集結構的隨機地震響應。
  7. Sociometric nomination and questionnaire method were applied in this survey. 490 children in an elementary school, from the third grade to the sixth grade, completed peer nomination and three scales, the revised class play, friendship quality questionnaire, and who am i, in june 2002 and so did 514 children in the same school and grades in december 2002. cross - section design and longitudinal design were employed to explore correlation and predictor relations between social competence and academic achievement

    本研究採用同伴提名法、問卷法，使用《班級戲劇》 《友誼質量》 《我是什麼樣》等問卷分別在2002年6月和2002年12月對武漢市一所小學3 、 4 、 5 、 6年級兒童進行追蹤調查，橫斷研究和縱向研究用以分別探討四個水平（群體水平、雙向關系水平、人際交互水平和個體特徵水平）的社會能力和學業成就的相關關系和預測關系。
  8. Standard test method for measuring ultrasonic velocity in advanced ceramics with broadband pulse - echo cross - correlation method

    用寬帶脈沖反射交互作用法測量高級陶瓷中超聲速率的標準試驗方法
  9. The cross - correlation curves method as a traditional method is to find out the distance with the biggest snr to be the radius. the author tried a new coherence function method combined with the cross - correlation curves traditional method to confirm that the radius of the seismic array are 380m and 1500 - 1750m respectively

    作者對比了各測點對之間的噪聲和信號的相干函數並找出了信噪比最大的距離值，結合傳統的相關值曲線理論得出了蘭州臺陣內外圓的半徑分別為380m和1500 - 1750m 。
  10. Fourthly, respectively using cross correlation method for estimation of time delay, phase spectrum method for estimation of time delay and high order spectrum method for estimation of time delay, this paper measures time delay estimation of the data obtained because time delay between two signals has big importance on the testing result. through comparing three results, accurate time delay is obtained under their own different circumstances

    再次，由於兩信號的時間延遲對測量結果有很大的影響，因而研究了用互相關時間延遲估計、相位譜時間延遲估計和高階譜時間延遲估計的方法對測量數據進行了時間延遲估計，結果表明，三種時間延遲估計方法在各自適應的環境下使用，都能得到比較準確的時間延遲估計值。
  11. The vibration source identification was realized in this paper by analyzing and comparing the train ’ s and the bogie ’ s lateral acceleration. the proposed method can divide into four steps : first adopting the acceleration ’ s peak - peak value entropy comparison method, second peak - peak value cross correlation comparison method, third peak - peak value weight center position comparison method, and the last adopting peak - peak value max - value position comparison method, if still unidentified refuse it

    分為四個步驟:首先用加速度的峰峰值熵比較法進行判別，如果不行則用加速度峰峰值互相關比較法進行判別，如果不行則用加速度峰峰值重心位置比較法進行判別，仍然不行最後用加速度峰峰值最大值位置比較法進行判別，如果仍然不行則拒絕判別。
  12. Cross - correlation method

    交叉相關法
  13. Design and realization of the acoustic waves flight time measurement system based on cross - correlation method

    基於互相關技術的聲波飛行時間測量系統的設計與實現
  14. Cross - correlation method used in get based frequency part and realized balancing function. gao huawei ( mechanical design and theory ) directed by vice - prof

    採用互相關原理提取振動信號基頻分量，計算振幅和相位，完成了動平衡功能。
  15. Both ratio of average ( roa ) and cross - correlation method use local statistics to judge road. they perform good detection while smoothing speckle. moreover, they both have constant false alarm rate ( cfar ) which is important in radar target detecting

    本文所採用的均值比例運算元和互相關運算元利用圖像局部的統計信息進行判決，在檢測道路基元的同時對圖像進行局部平滑以降低相干斑干擾;並且兩個運算元都具有恆虛警特性，門限值由給定的虛警概率確定。
  16. In the thesis followed works are mentioned : 1 ) the history and status of electromagnetic flowmeter are summarized, at the same time its theory and developed production are introduced in detail ; 2 ) in the article, an innovated method is presented : putting cross - correlation technology into the electromagnetic flowmeter ; 3 ) the article successfully developed an electromagnetic flowmeter based on cross - correlation technology. additionally, the capability of correlation unit is analyzed, which guided the design of the hardware of correlation electromagnetic flowmeter ; 4 ) the article gives a thorough test under laboratory condition on the cross - correlation electromagnetic flowmeter, and a conclusion is drew : the performance of correlation electromagnetic flowmeter is much better than that of non - correlation electromagnetic flowmeter

    具體進行了以下工作： 1 ）本文在詳細閱讀國內外有關文獻的基礎上，總結了電磁流量計的發展歷史、現狀，對其基本原理、檢測方法和研究成果進行了詳細的論述； 2 ）首次提出了將互相關檢測技術應用到電磁流量計當中的新思路；將相關檢測技術在電路上得以實現，並和電磁流量計的實際情況緊密結合，成功研製了一套相關電磁流量計系統； 3 ）給出了基於相關原理的相關器的性能分析，提供了互相關檢測技術用於電磁流量計上的理論依據，進而指導了硬體設計工作； 4 ）對相關電磁流量計系統進行了實驗測試。
  17. 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。
  18. The emphasis of the research of the method of time difference measurement is how to suppress noise and interference effectively. the second part is to discuss the capacity for anti - interference of generalized cross correlation ( gcc ) algorithm. the algorithm based on high order cumulant is introduced to solve the problem, which is bad performance to suppress noise of gcc

    基於廣義平穩信號的模型，論文第二部分討論了廣義互相關（ gcc ）時差測量演算法的抗加性噪聲干擾能力，針對其相關噪聲抑制能力差的問題，提出了基於高階累積量的時差測量演算法，對演算法的適用范圍、計算復雜度等方面進行了分析。
  19. By computer sampling the long periodic sequence and estimate the confidence interval, we can conclude the cross correlation value of long periodic sequence is biger than 0. 03 with a probability lower than 10 - 7. this thesis also presents a new quick acquisition method of long periodic non - linear codes used in the satellite navigation and positioning signal ( snps )

    通過計算機采樣數據和區間估計，對于超長偽隨機序列可以以99 . 99的概率確信，在2048相關長度的條件下，長碼的局部互相關值超過0 . 03的概率低於10 ~ （ - 7 ）數量級。
  20. A sonar blind beamforming method based on a cross correlation neural network

    一種基於互相關神經網路的聲吶盲波束形成方法研究
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