互相關函數 的英文怎麼說

中文拼音 [hùxiāngguānhánshǔ]
互相關函數 英文
cro correlationfunction
  • 互 : 代詞（相互;彼此） each other; mutual
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 關 : Ⅰ動詞1 （使開著的物體合攏） close; shut 2 （圈起來） shut in; lock up 3 （倒閉; 歇業） close down...
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 相關 : be interrelated; be related to; be bound up with; correlation; dependence; relevance; mutuality
  • 函數 : [數學] function函數計算機 function computer; 函數計算器 function calculator; 函數運算 functional operation
  1. 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
  2. For phase space reconstruction of ship - radiated noise, using auto correlation function and mutual information to select the delay - time, and using false nearest neighbors method to select the embedding dimension

    從自相關函數及互信息嫡兩個方面討論了相空間重構中延遲時間的選擇。
  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. 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
  5. Cross - correlation function

    互相關函數
  6. 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。
  7. 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。
  8. In the first session the fans vibration on - line monitoring system is realized with vc language, also compile auto power spectrum density function, cross power spectrum density function, autocorrelation function and cross correlation function etc spectral analysis function to carry through simple offline fault diagnosis

    首先用穩定性強、擴展性好的vc + +語言開發了通風機振動在線監測系統，並編寫了自功率譜密度函數、互功率譜密度函數、自相關函數和互相關函數等頻譜分析函數來進行簡單的離線故障診斷。
  9. Information of system auto and cross spectrum, auto and cross correlation. coherent function, signal to noise ratio, frequency response and impulse response was established to help the study and arrangement of the module components

    由力規及加速規兩量測之時域訊號，經快速富利葉轉換，計算其自頻譜及互頻譜，再經反富氏轉換回時域之自相關及互相關函數、相通函數、訊噪比、頻率響應函數、脈沖響應函數。
  10. Time delay was chosen by using autocorrelation function method and mutual information method, while reconstruct dimension was obtained by g - p saturation correlation dimension method and false nearest neighbor percentage method. furthermore, initial neighborhood radius was computed by the estimated noise level based on the g - p saturation correlation dimension method. secondly, a noise reduction of the inflow time series was carried out by chaotic nonlinear local projection noise reduction method, and the effects on noise to chaotic characteristics and state reconstruction parameters were discussed

    採用g - p關聯維法計算關聯維數； rosenstein法和kantz法計算最大lyapunov指數；重構相空間的延遲時間採用了自相關函數法和互信息量法；嵌入維數採用了飽和關聯維法和偽鄰近點法；初始領域半徑的選取採用了基於g - p關聯維法的噪聲水平的初始估計方法。
  11. 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。
  12. 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 ） 。
  13. The require of address code in project is that the sequence has acuity auto - correlation and the cross - correlation is near to zero

    由於工程上對地址碼的要求是必須具有尖銳的自相關函數，而互相關函數接近於零。
  14. The optimum delay time is evaluated by the average mutual information method ; this method is more precise than the autocorrelation method

    利用平均互信息法確定重構時延參數，相比于自相關函數法，這個方法更加準確。
  15. The basic concepts of second - order coherence theory in describing wavefields are introduced. these concepts are the cross - spectral density function and spectral degree of coherence in the space - frequency domain, and the mutual coherence function and the complex degree of coherence in the space - time domain

    介紹了二階相關理論中描述光場相干性質的基本概念，包括空間-時間域中的互相關函數、復相干度和空間-頻率域中的交叉譜密度函數、光譜相干度。
  16. Cdma has become the main technology of the third generation mobiletelecommunication. many users in cdma system are distinguished by differentspread sequences and have the same time chip and frequency unlike in theconventional tdma system or fdma system. but the practical spread sequences cannot reach the ideal condition, the correlation function equals zero, so that it will causethe multiple access interference ( mai ) when lots of people are communicating. multi - user detection ( mud ) makes joint detection on the received signals by makingfull use of the information of all users ’, which relaxes mai and increases the capacityof system

    Cdma技術已經成為第三代移動通信系統中的主流技術，它與傳統的fdma 、 tdma不同，在cdma系統中多個用戶均佔用同一時隙、同一頻隙，所不同的是選取的地址碼不同，而實際選用的地址碼間的互相關函數又不可能全部達到理想狀態的全為零，因而造成了多個用戶同時通信時，必然要產生多址干擾。
  17. Since the effects of turbulent atmosphere is prominent, this thesis concentrates on the effects of the turbulent atmosphere on the laser beam propagation in the atmosphere. the atmosphere refractive index model, especially refractive index fluctuation, power spectrum, phase spatial structure constant are introduced in the following and the specific structure function is achieved

    根據大氣折射率模型，以及折射率起伏功率譜密度和相位空間結構常數，得到具體的結構函數；通過長程情況下的馬爾科夫近似，得到了互相關函數，對數振幅和相位協方差函數。
  18. In the third chapter, the properties of the bipolar sequence are analyzed firstly. the auto - correlation, the cross - correlation and the accommodation of simultaneous users under given bit error rate between the bipolar codes and unipolar codes are compared. the conclusion is that bipolar codes have better auto - correlation and cross - correlation, and the system that uses bipolar codes can accommodate more users and simultaneous users

    通過對其性質的總結，自相關曲線、互相關曲線的對比，以及在規定誤碼率條件下，使用雙極性序列的系統與使用光正交碼的系統之間的同時用戶數比較，得出以下結論，雙極性系統較之單極性系統具有更好的自相關、互相關函數，碼字容量更大，使用雙極性序列的ocdma系統在規定誤碼率條件下的同時用戶數比使用單極性序列的系統要多得多，雙極性序列完全適用於ocdma系統。
  19. The fault can be diagnosed by variance analysis or distance classification after getting the correlation functions between the input and output of cut

    得到cut輸入和輸出之間的互相關函數后，可以採用方差特徵分析法或者距離分類演算法來判斷電路有無故障。
  20. Then, the address code can be designed by different phase sequence of an m sequence. our studied method can attain better communication quality than before case. of course, synchronization among all users is requested, i. e., our method is a s - cdma communication

    這種地址碼的安排，要求用戶間嚴格同步，使得原本為一個m序列的自相關函數，在各個用戶相位差恆定的條件下，分割成用戶間的自相關和互相關函數。
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