互相關法 的英文怎麼說
中文拼音 [hùxiāngguānfǎ]
互相關法
英文
cross correlation method-
The computational results of the particle images are agreement with the simulated datain reasonable, the most absolute difference of the displacement is 0. 6671 pixel at the x abscissa and 0. 7928 pixel at y abscissa ; the computational results are equal to the data form the algorithm of particle brightness - distribution pattern tracking ( the conventional cross - correlation algorithm ) at voluminous points, their discrepancy is only one pixel at few points, mostly in boundary area
西安理工大學碩士學位論文最後，在visualfortran環境下給出了這種演算法的具體實現，處理模擬粒子圖像的結果與模擬數據比較吻合，最大位移絕對誤差在x方向是0 . 6671像素，在y方向是0 . 7928像素;計算結果與示蹤粒子灰度分佈模板法（基本的互相關法）在絕大部分點是相同的，只在少數點相差一個像素，而且大多出現在邊界區域。We use fast fourier transform arithmetic to calculate two seriate images. this article discusses the basic principle of the cross - correlation arithmetic in detail, discuss each stage of its produce and development and also discuss the thinking, the merit and the defect of each algorithm. based on these discusses, we confirm our algorithm and realize it in programming with c + +
粒子圖像的匹配演算法的主要運算是將兩連續的視頻圖像進行基於快速傅里葉變換的互相關運算，本文詳細論述了相關演算法的基本原理，它的產生和發展的各個階段，在比較了各種演算法的基礎上確立了自己的演算法並以c + +編程實現。An optimized approach for single - hole method of shear wave velocity measurement based on correlation functions
基於互相關函數的單孔法波速測試優化演算法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。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。The signal format of gps is analyzed, the principle models and mathematical models are established, the ber performance is analyzed in a channel interfered with wide - bandwidth awgn, narrow - bandwidth awgn, transmitted signal, single - tone signal respectively. based on the results above interference methods are discussed and simulated. then the performance of code acquisition and code trace of a digital gps receiver are discussed. the modem of linkl 1 and link4a are modeled and their ber performances are analyzed and simulated in channel s interfered with awgn, single - tone signal and multi - tone signal respectively
建立了jtids的收發終端的數學模型，分析它在噪聲干擾、相關干擾、互相關干擾下的誤碼性能，提出較佳的干擾方法和干擾碼型，並進行模擬模擬；分析了gps的信號格式，建立了gps的原理框圖模型、信號數學模型，並對其在寬帶噪聲干擾、窄帶噪聲干擾、轉發干擾、單頻干擾等情形下的誤碼性能進行了分析比較，提出相對較佳的干擾方法，並做了計算機模擬，針對一數字式gps接收機中擴頻碼捕獲與跟蹤環的特性進行分析；建立了link11和link4a數據鏈調制解調數學模型，對它們在噪聲干擾、單音干擾、多音干擾等下的誤碼性能進行分析，最後對干擾情況進行了模擬模擬。Propagation of cross - correlation function in divided - wavefront interferometry
分波前干涉法中空間互相關函數的傳輸The original pitch detection algorithm in wi coder is based on normalized cross - correlation function ( nccf )
本課題wi編碼器原本採用基於歸一化互相關函數（ normalizedcross - correlationfunction ， nccf ）的基音檢測演算法。Then based on the analysis of the constructions of wh, go and ls sequences, the corresponding correlation properties are derived and methods of selecting subsets with good periodic mean - square cross - correlation property or aperiodic mean - square correlation property from the wh set and go sequence set whose go zone z = l are investigated. furthermore, the methods of truncating the go sequences to obtain the quasi - orthogonal ( qo ) set whose family size m is larger than the length l and the quasi - generalized - orthogonal ( qgo ) set whose size m is larger than li2z are discussed, together with the numerical results of the correlation properties
基於這些結果，探討了如何從wh序列集和廣義正交區z = 1的go序列集中，分別按照周期互相關均方特性最優和非周期相關均方特性最優的準則選擇性能較好的序列子集；同時討論了將廣義正交序列截短來獲得準正交（ qo ）序列集和廣義準正交序列集（ gqo ）的方法，並給出了這一類序列相關特性的數值計算結果。New location algorithm of car license plate using cross - correlation vector map
基於互相關矢量圖的車牌定位新演算法As one of the main participators on the internet, the digital archives are in the center of the contradiction all along. moreover, because of the special status of archive information and all the national archives, this conflict tends towards complication : different copyright conditions of holdings, obscure attribution to the digitization right and the network transmission right, weak protection for the archive databases, immature of the copyright collective administration organization, high - degree flexibility of the " fair use " in the network, inconsistent of the terms in the relevant legislations or regulations, etc, all the difficult points turn up
數字檔案館作為網路的參與主體之一，也一直處于這一矛盾漩渦的中心，並且由於它所提供的內容涉及檔案這一特殊信息形式，以及檔案館作為國家文化事業單位的特定地位，其著作權問題更趨復雜化：館藏檔案著作權狀態不一、數字化權與網路傳播權歸屬不明、檔案數據庫的弱保護、著作權集體管理組織尚未成熟、網路合理使用范圍高度彈性化、相關法律法規限定內容互有交叉，等等，各種難點紛至沓來。Secondly, we apply tk operator to the cross - correlation of received signal code and pn code to separate the multi - paths. it comes to a conclusion that tk operator can separate the multi - paths within less than the chip period accurately of spread - spectrum system with space - modulation by simulation. at last, we apply this algorithm to the practical signal collected by gps tap, and from the result we can drop a conclusion the tk algorithm is practical
本文首先闡述了時空調制擴頻信號原理以及在多徑干擾下時空調制接收機的性能和teager - kaiser接收機的原理;接著對時空調制擴頻系統的解調信號與偽碼的互相關函數採用tk接收機進行多徑分離，模擬結果表明， tk接收機對時延在一個碼片內的時空調制擴頻通信多徑信號有很好的分離效果;最後用數據採集器對一個gps信號進行接收和多徑的估計，驗證了該演算法在實際的運用中對多徑的擴頻信號有很好的分離效果。An overall construction of new managerial system of parent companies and subsidiary companies
公司相互持股相關法律問題探討In this thesis, the basic arithmetic of piv software - cross - correlation arithmetic is introduced in detail, during the data process, through processing the two sequential images by the cross - correlation arithmetic, the vector charts of particles velocity can be obtained, so is the chart of absolute velocity, with velocity decomposed into the radial velocity and axial velocity
本文對試驗所獲得的連續圖像通過互相關演算法，獲得顆粒速度矢量圖，並將速度分解為徑向速度和軸向速度，對每一小區域內的顆粒按速度方向不同進行速度平均，獲得顆粒的平均速度分佈曲線。Secondly, wavelet transform is applied to compute the arrival time of the lamb wave group velocity experiments results demonstrate that wavelet transform can improve the precision of damage localization
其次，本文採用小波分析方法提取lamb波群速度的到達時間，獲得了比閾值法及互相關方法更高的精度。Conventional detector ( single - user matched filter ) distinguishes each user by the crosscorrelation of their spread - spectrum codes. in practice, however, its performance is much deteriorated due to the existence of noise in channel and strong multi - access interference, i. e. near for effect. a new method using independent component analysis is proposed in this paper. the - received energy of signals is controlled effectively, thus the near - far effect is overcome as much as possible ; moreover, the effect that noise imposed on the detector is mostly reduced. simulations verify the effectiveness of this method
傳統檢測器（單用戶匹配濾波）利用擴頻碼之間的互相關特性來區分各用戶信號.而在實際應用中，通道噪聲和近距離用戶對遠距離用戶的強多址干擾即遠近效應，使得接收機的性能受到很大影響.本文將獨立分量分析法引入傳統接收機，有效控制接收信號的能量，從而極大地提高了接收機的抗遠近性能，同時噪聲的影響被盡可能消除.模擬結果表明了該方法的有效性和可行性Research on de - cross - correlation methods based on time axis perturbation in multi - channel acoustic echo cancellation
多路聲回波對消中基於時基微擾的去互相關法的研究Study and application of speckle correlation measurement method for displacement fields of model
模型位移場的散斑互相關法測量技術研究及應用The generalized correlation method is choosed as the method of time delay estimation in this dissertation. and a optimal arithmetic is educed by analyzing and contrasting many arithmetics at present
本論文採用廣義互相關法作為時延估計方法，對現有的多種演算法作了分析研究，並通過對比模擬得出了最優演算法。2. time delay estdriation methods based on cross - correlation and generalised ctoss correlation ( gcc ), are investigated, and their relationship is discussed. then the pefformance of several time delay estboation methods is theoretically analyzed
2 ）研究了互相關法、廣義互相關法等幾種基本的時延估計方法，並給出了它們之間的聯系，對各種方法的時延估計性能進行了理論分析。分享友人