相位系數 的英文怎麼說

中文拼音 [xiāngwèixìshǔ]
相位系數 英文
phase coefficient
  • 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...
  • 系 : 系動詞（打結; 扣） tie; fasten; do up; button up
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 相位 : phase position; phase
  • 系數 : [數學] coefficient; ratio; modulus; quotient; factor
  1. In this paper, the concept of acceleration ambiguity function ( aaf ) and acceleration resolution is put forward for the first time. using aaf, the effects of target ' s relative acceleration on several outputs of a linear - phase matched filter are analyzed, such as the output signal - noise - ratio loss, the doppler resolution, the constraint on optimal accumulative time ( opt ) and their tolerable limits

    論文首次提出並研究了加速度模糊函數和加速度分辨力的有關概念，並以加速度模糊函數為分析工具，詳細討論了加速度對線性相位匹配濾波器的輸出信噪比的損失程度、對多卜勒頻率分辨能力的影響程度、對最優相參積累時間的約束關系以及線性相位匹配濾波器輸出受加速度影響的容限等問題。
  2. 0, the correlation coefficient it the highest and also sensitive to the change of azimuth angle. it is unfavorable to retrieve

    而順壟掃描則相關系數最高，且對方位角變化敏感，不利於
  3. The interdecadal characteristics of correlation pattern of interannual relationship between winter sea - ice extent of davis strait and august 500hpa height of northern hemisphere is " + - + " pattern from ural mountains to north of sea of okhotsk which is strongly negatively correlated with the august rainfall of north china before 1974, and it has not apparent correlation pattern in europe - asia continent after 1974

    1974年前，冬季戴維斯海峽海冰面積和北半球8月500hpa位勢高度場的相關系數呈一個自烏拉爾山開始到鄂霍次克海以北分佈的「 + - + 」型，該型和8月華北降水的反相關較好； 1974年後，相關在歐亞大陸地區變差，沒有明顯的相關型，冬季戴維斯海峽海冰面積和8月華北降水關系變差。
  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. On the basis of theory analysis, the average transmitted light intensity ( correspond to dc value ) was determined as characteristic parameter of raw water using photoelectric method for monitoring the fluctuation of transmitted light and photometric dispersion analyzer ( pda ). the dc value was closely related to both particle concentration and surface area of sand clay simultaneously. the experimental results shows that there is an exponential function relation between dc and surface area of sand clay in unit volume water ( sp ) : dc = asbp in which a and b are empirical coefficients. then the formula of macromolecule flocculant dosage is found to be d = f ( dc ) = e ( dc ) f in which e and / are empirical coefficients and the average correlation coefficient equal to 0. 981. so the model of automatical control system of water treatment plant was established using the formula

    應用透光率脈動檢測技術和光散射顆粒粒度分析儀（ pda ） ，通過理論分析，將pda的輸出信號之一? ?平均透光強度（對應于dc值）作為原水的特性表徵參數， dc值可以同時反映顆粒濃度和比表面積因素的影響，試驗結果證明， dc值與單位體積水中泥沙顆粒總表面積s _ p之間具有很好的冪函數關系： dc = cs _ p ~ d ，式中c 、 d為經驗系數，進而得到了以dc值為參數的高分子絮凝劑投藥量公式： d = f （ dc ） = e （ dc ） ~ f ，式中： e 、 f為經驗系數，平均相關系數達0 . 981 ，利用所建立的公式，建立了前饋? ?后饋聯合控制的在線自動投藥模型。
  6. Several results were concluded : firstly, the population of t. jackii was decreasing sharply and its living area was contracting, so the percentage of genetic variance among t. jackii populations was lower than that within its population ; secondly, its genetic diversity index was relatively high ; thirdly, according to its gene flow index, the population disintegration of the species could be prevented by genetic communication among populations of the species ; finally, the similar index between the populations from jiangshi nature reserve and from xufan reservoir was higher than that between the populations from jiangshi nature reserve and from xufanggeng, corresponding with the fact that it is nearer between jiangshi nature reserve and xufan reservoir than that between jiangshi nature reserve and xufanggeng

    2 、長葉榧的遺傳多樣性分析，分析了多態位點百分率（ percentageofpolymorphicsites ） 、 nei氏基因多樣性指數（ nei 』 sgenediversityindex ） 、 shannon信息指數（ shannon 』 sinformationindex ） 、居群間的相似系數（ geneticsimilarityindex ）和遺傳距離（ geneticdistance ） 、遺傳變異在居群間和居群內的分佈（ thepercentageofvarianceamongandwithinpopulation ）及基因流（ geneflow ） 。結論是：分佈在群體間的遺傳變異較分佈在群體內的遺傳變異小，說明該生物的分佈范圍越來越狹小。
  7. Confirming 1072hz and 2193hz to be the most important control frequencies after the cohere analysis between vibration and noise signals. calculate the optimum parameters of two freedoms damping dynamic vibration absorber with the method of optimum parameter designing

    計算鋼軌不同部位、不同方向的振動信號和噪聲信號的相干系數，得出振動信號和噪聲信號相干曲線圖，確定鋼軌減振降噪的主要控制頻率。
  8. We discussed the main characteristic parameters of seismic kinesiology and dynamics of mine engineering fracture zone, including relative amplitude, phase time of wave crest, similarity factor, principal frequency band energy, 3 - d space time gradient and coherent coefficient et al., and puts forward the processing method of 3 - d seismic characteristic parameters about denoise - smoothing, generalization, correlation analysis, characteristic transformation ; and presents the method of pattern recognition of mine engineering fracture zone

    摘要本文從時間域、頻率域、三維空間域介紹了礦山工程裂隙破碎帶主要的地震運動學、動力學屬性參數，包括相對振幅、波峰相位時間、相似系數、主頻帶能量、二維空間時間梯度和相干系數等，提出了礦山工程裂隙破碎帶三維地震屬性的去噪平滑、歸一化、相關分析、特徵變換的處理方法以及裂隙破碎帶的模式識別原理與方法，並用實例說明了該方法的應用效果。
  9. When there is no or lesser undercut, we can use the bend stress ' s algorithm of involute gear to calculate approximately the bend stress of gear with meshed medium belt, what we to do is to transit the interrelated shift coefficient to the according radial minus shift coefficient of involute gear, and the error can be controlled in 10 %

    在不產生或少量根切時，可用漸開線徑向變位齒輪的彎曲應力計算方法來近似計算帶式嚙合介質齒輪的彎曲應力，只需將關聯變位系數轉化為相應的漸開線齒輪徑向變位系數即可，其誤差在10 %以內。
  10. Then the exisiting algorithms on iris location are studied and the disadvantages are pointed. a new approach based on edge detection, mathematic morphology and probability statistic is put forward. after studing the means of daugman ’ s encode of iris texture and w. w. boles ’ extraction the unique features by the zero - crossings of the wavelet transform, we adopted wavelet multi - resolution analysis that extract the feature

    在研究和分析了前人的虹膜定位演算法以及daugman對虹膜紋理的編碼方法、 w . w . boles的小波過零點分析提取虹膜特徵識別演算法的基礎上，研究了基於邊緣檢測和數學形態學以及概率統計等理論的一種新的虹膜定位方法;研究了虹膜圖像的歸一化和圖像增強;研究了基於db4小波的多分辯率分析的虹膜特徵提取演算法;研究了相關系數匹配識別。
  11. In chapter 4, mathematical theory about related coefficient and fitting of straighten anti - curve line is introduced at the beginning of this chapter, then how to program to calculate related coefficient is introduced including discussing the appearance of straighten anti - curve line in bitmap, searching the ends of straighten anti - curve line, calculating the angle bitmap should be turned, calculating related coefficient after bitmap has been turned

    第4章首先介紹了有關相關系數以及直線擬合的數學理論，然後闡述了求解逆直線相關系數的編程思路，其中包括對逆直線在位圖中擺放方式的分類討論、逆直線端點的搜索、求解旋轉角度、旋轉后求解相關系數等幾個環節。
  12. A perturbation method by tight - binding approximation which provide the relation of phase constant and angular spectrum of fields of in - waveguide is presented. the strip width of phase constant can be given. on the other hand, the group delay - time due to the k dispersion in single - mode transmission can also be estimated

    提出一種利用緊束縛近似的微擾法計算陣列波導的相位常數與輸入光角譜的關系，由此算出相位常數的帶寬，並利用衍射方法估算單模傳輸中k色散引起的群延時。
  13. But it cannot shows the magnitude and phase differences of the separation results

    但相似系數既不能反映出分離結果的幅值差異，也不能反應出它們的相位差異。
  14. Electro - hydraulic regulating system of turbine is a non - linear time - varied minimum phase system

    水輪機調節系統是一個非線性、參數時變的非最小相位系統。
  15. Methods describe the structural character of each questionnaire using intra unit correlation

    方法通過方差成分模型獲得單位內相關系數對個體效度進行評價。
  16. Various data compression techniques are studied and summarized in this paper, including the traditional and the newly developed techniques, then analyses the features of pipeline leak signals, such as the mechanism of production, entropy and correlation coefficient, are analyzed, and finally a universal and low - complex lossless compression algorithm is proposed and implemented in the pipeline leak detection and location system

    本文研究和總結了國內外傳統和最新發展的各種數據壓縮技術，然後分析了管道泄漏信號的特徵，包括管道泄漏信號的產生機理、信息熵和相關系數，提出了一種適合於管道泄漏檢測定位系統的通用、低復雜度的無損壓縮演算法。
  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. Abstract : in the nonminimum phase system, it contains the unstable zero, so the controller can " t be designed according to the ideal state. the mode of modified evaluate function addressed in this paper can promise the bounds and stability of the minimum variance control in nonminimum phase

    文摘:對于非最小相位系統，因其含有不穩定的零點，所以不可以按理想狀態的情況構成控制器.提出修正目標函數的方法，可確保非最小相位時最小方差控制輸入的有界性和穩定性
  19. Because the boundaries between the age and income categories are the respective quartiles for duplicate readership, the negative correlation coefficients also imply that the young and the affluent, as groups, tend to avail themselves of a larger pool of magazines than readers in the other demographic categories

    由於年齡組與收入組之間的界線為雙料讀者群各自的四分位數，因此，相關系數為負數也意味著，同其他人群相比，年輕讀者群與富有讀者群傾向于佔有更多的雜志。
  20. We have done experiments for attaining adaptive recognition algorithm and proposed the scheme of correlation coefficient ( cc ) as the optimum recognition algorithm pattern recognition for volume holographic image - base built by both angular multiplexing technology holographic storage technology were implemented by using cc method

    基於該模板對相關峰進行定位，使用相關系數對採用角度復用技術建立起來的體全息圖像庫完成了識別工作。統計了識別準確率和識別速度。
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