相位函數 的英文怎麼說

中文拼音 [xiāngwèihánshǔ]
相位函數 英文
phase function
  • 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...
  • 位 : Ⅰ名詞1 （所在或所佔的地方） place; location 2 （職位; 地位） position; post; status 3 （特指皇帝...
  • 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
  • 相位 : phase position; phase
  • 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. Through the detailed analysis of the aaf, the defection of using chirp - fourier transform in guidance radar signal processing is pointed out

    通過對加速度模糊函數的形態分析也指明了針對線性調頻信號的二次相位匹配處理（ chirp - fourier變換）在應用到制導雷達信號處理中所存在的缺陷。
  2. At same time, it was also investigated the impact of the position errors of multiple antennas both sides of transmit and receive on the correlation of antenna array, and the simulation results by computer are also given

    同時還研究了多天線的位置誤差對天線陣列的相關函數的影響，給出了有關模擬結果。
  3. The diffraction formula and statistical law of optical fields are used to get the cross - correlation function of intensities of laser speckles of the moved diffuse object

    該方法利用光傳播的菲涅爾衍射公式和光場的統計規律，給出散斑場光強在散射體位移前後的高斯光束相關函數的表達式。
  4. An experiential criterion of determine the size parameter of larger sphere in two - spheres system in random orientation is proposed

    研究了任意方位雙球粒子體系的散射矩陣，提出了利用體系的相位函數反演其中較大粒子的尺寸參數的經驗判據。
  5. In the next place, an improved algorithm of grounding fault location for tree - type distribution system which is based on new fault function and criterion measure, is proposed in order to complete fault branch ide ntification, fault location and fault value. a lot of the simulation of fault diagnosis and location by computer demonstrate that the algorithm is effective

    其次論文基於輻射狀饋線的任一分支線路發生接地故障，通過分析與推導，建構了配電線路單相短路點定位的故障定位函數和相應的故障判據，利用樹網單端信息完成故障分支識別、故障定位和過渡電阻定值。
  6. In the design and analysis of sequence cipher, we obtain the following results. first, we give the trace representation of primitive sequences and their corresponding highest lever sequences on galois ring by using the trace function theory and the characteristic of lever factorization, and determine the correlation function linear complexity and element distribution of the highest lever sequences of primitive sequences on galois ring gr ( 4, m )

    在序列密碼的設計和分析方面：首先，利用galois環上跡函數理論和本原序列的權位分解特徵，給出了本原序列及其最高權位序列的跡表達式，然後利用galois域上二次型理論與指數和理論決定了特徵為4的galois環上本原序列的最高權位的相關函數、線性復雜度和元素分佈。
  7. Spread spectrum code emitted by navigation station has correlative operation with the signal produced by receiver, through measuring the place of maximal correlative function, we can measure the spreading time of the navigation station ’ s signal, so we can measure the distance between navigation station and receiver

    區域導航利用導航臺發射的擴頻碼與接收機產生的本地信號進行相關運算，通過測量相關函數最大值的位置，來測定導航臺信號傳播時間，從而測定導航臺到接收機的距離。
  8. Frequency code is not uniformity distribution and keeps to a probability distribution function defined by the spectral characteristics of the target of interest. the phase code is equally duality pseudo - random sequence and used to reduced the sidelobes of the signal correlation function. and the mismatch - phase sequence is corresponding with the frequency sequence one by one

    而頻率編碼為不均勻分佈，由所觀測目標的頻譜信息提取出概率密度函數決定頻率編碼序列的分佈；相位編碼為二元的偽隨機序列，採取均勻的二相編碼，消減同頻脈沖帶來的過高的相關函數的旁瓣；而失配相位為與頻率編碼相一一對應于各子脈沖中。
  9. The work of this dissertation is focused on research of some key technics in signal design and processing of mcpc signal. the main content of the dissertation is summarized as follows : it gives a detailed description of the form of the mcpc waveform and its mathematical model, and analyses the formation and properties of phase coded sequence. it discusses the effect of signal parameters on autocorrelation, power spectra and ambiguity function in forms of single pulse and pulse train and compares different kinds of single pulse signals and pulse train signals

    本文圍繞著多載波相位編碼信號在信號設計與信號處理的若干關鍵問題進行了研究，主要做了以下工作:描述了多載波相位編碼信號（ multicarrierphasecoded ，簡稱mcpc ）的信號形式，給出了其數學模型，對其中相位編碼序列的構成方式與特性進行了分析;從單脈沖和脈沖串兩種信號形式入手，對多載頻相位編碼信號的參數在自相關函數、功率譜密度和模糊方程上的影響作了詳細地討論，對不同調制方式的單脈沖和脈沖串信號進行了比較。
  10. The mathematic and physical design of the phase function : industrial automation program

    信號的相位函數式的數理法設計
  11. When calculate the correlation function of binary array pairs, using the boolean calculation instead of the decimal multiplication, using the method of count the number of 1 in binary integer to calculate the correlation function of binary array pairs, the speed of searching is obviously improved by these methods. by the algorithm introduced in this paper, the constant weight and normative perfect binary array pairs whose volume from 4 to 28 and quasi - perfect binary array pairs whose volume from 2 to 24 were searched and gi ved the new result

    此外，採用二進制整數來表示陣列，通過對整數的邏輯運算來實現陣列偶的移位變換、完全采樣變換等運算；在計算二進陣列偶的相關函數時，用整數的邏輯運算代替十進制中的乘法運算，並用計算二進制整數中1的個數的方法來計算二進陣列偶的相關函數，以上方法的採用明顯地提高了搜索速度。利用上述演算法，對體積為4 28的等重規范型最佳二進陣列偶和體積為2 24的準最佳二進陣列偶進行了搜索，並給出了新的結果。
  12. The position and size of the waist of the gaussian beam are get

    測出相關函數在光路上某一位置的數值，並由此同時求出高斯光束的束腰位置和大小。
  13. This paper looks soil as homogeneous stationary random fields, expatiates the application of the random process in the geotechnical engineering and establishes the basic concept, its assortment and digital feature of random process and random fields, tests whether this random fields is a stationary process and whether it is ergodic, applies correlation function theory and variable function theory in the study of the random fields of soil parameter, acquires the relation of the two theories and draws the conclusion that they are equal essentially, fits the measured curve by using the correlation function method, variable function method and other methods, and acquires the value of correlation distance, applies the random fields theory of soil parameter in actual engineering, estimates the value of elevation and other soil parameters of 92 holes in baoding city and the results are satisfying

    將相關函數理論和變異函數理論分別應用於巖土參數隨機場的研究中，通過運用這兩種理論對巖土參數特性的描述，得出這兩種理論的內在聯系及其本質一致性的結論。分別運用相關函數法、變異函數法及其它求解相關距離的方法對實測函數曲線的擬合，得出描述空間相關程度的度量? ?相關距離（或變程） ，對用這幾種不同方法得出的相關距離（或變程）值進行了比較，並對這幾種方法的優劣和實用性做了評比。將巖土參數隨機場理論運用於工程實際，對保定市區某場地的92個鉆孔的各層位的層底標高及其它幾種常見的巖土參數做出了估計，預測結果比較令人滿意。
  14. 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。
  15. The spurious peaks of the cubic phase function ( cpf ) for multicomponent is first identified by theory and by simulations and hence the identifiability problem arises. by exploiting the different dependence of auto - terms and cross - terms on time, the product cubic phase function is proposed to resolve the identifiability problem

    5 .提出了廣義三次相位函數，推出了基於廣義三次相位函數的二次調頻信號參數估計方法，通過一階擾動分析導出了廣義三次相位函數的理論性能。
  16. Abstract : the effects of the impurity particles on the structure of a 2d dusty plasma system. the mean square displacement, pair correlation function have been calculated to analyze the system ' s structure characteristics. the results show that both of the impurity particles ' content and mass or charge in the range of our caleulation will decelerate the system ' s phase transition process. here the impurity particles are smaller than the background dusty particles on mass and charge

    文摘:利用分子動力學模擬研究了雜質粒子對二維塵埃等離子體系統的影響.分別計算了平均平方位移，兩體相關函數來分析系統的機構特性.結果表明，在參數范圍內，雜質的含量以及雜質的質量和電荷的大小都會減慢系統的相變.雜質粒子在質量和電荷上都小於背景的塵埃粒子
  17. Higher - order statistics can deal with either colored noise, non - gaussian, nonlinearities or nonminimum phase, whereas second - order statistics can not. so these methods based higher - order statistics are wide applicable in signal process and system identifications. this paper describes the basic theory and methods based higher - order statistics in applicability of system identification and signal process, introduces and analyses the theoretical and algorithmic results of identifying non - gaussian arma process during recent years

    當基於2階統計量（如功率譜、相關函數）的經典辨識方法無法滿足有色噪聲、非高斯、非線性以及非最小相位系統的要求時，基於高階統計量方法越來越受到人們的重視，已經成為系統辨識和信號處理等領域的研究熱點之一。
  18. 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。
  19. The phase error brought in baselines ' obliquity is analysed specially and the connection to phase difference and baselines ' obliquity is proposed

    著重分析了基線傾角的存在引起的相位誤差，經分析得出當傾角不為0時，相位函數不再是一條直線，誤差的大小與入射角有關。
  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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