積函 的英文怎麼說

中文拼音 [jīhán]
積函 英文
eikonal
  • 積 : Ⅰ動詞（積累） amass; store up; accumulate Ⅱ形容詞（長時間積累下來的） long standing; long pending...
  • 函 : 名詞1. [書面語] （匣; 封套） case; envelope 2. （信件） letter 3. （姓氏） a surname
  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. This course consists of several major parts, such as vectors and analytic geometry, derivatives, integration and series

    課程內容包括空間解析幾何與向量代數、多元函數微分學、多元函數積分學和無窮級數等幾大板塊。
  3. According to the variation, features of the integrand, the values of peaks and troughs are taken out and formed a slowly convergent series, and the repeated averaging scheme is performed to calculate the limit rapidly and accurately

    根據被積函數的變化特點，將波峰和波谷值抽取出來組成慢收斂序列，利用重復平均法快速而準確地求出其極限值。
  4. For the first time, on the view of algorithm and experimental system, the author analyze all the factors influcing the diagnose accuracy. on the basis of these analyses, " window " and convolving function with the best accuracy are selected, at the same time, the formulas of errors are deduced

    在理論分析基礎上，選擇了具有最佳測量精度的窗函數和卷積函數，並對演算法進行了改進，提高了計算精度；對實驗系統各部分對測量精度的影響也進行了定量分析。
  5. The properties of the fuzzy integrable function space of fuzzy integral

    模糊積分意義下的可積函數空間的若干性質
  6. The integrand is not handed down from on high.

    被積函數並不是從天上掉下來的。
  7. The first term of the integrand represents the contribution to the error power due to noise.

    被積函數的第一項表示噪聲對誤差功率的影響。
  8. When imposed some restrictions on the integrand, the limit can be equal zero at infinity

    當對被積函數作某些限制時，其在無窮遠處的極限可以為零。
  9. Where is called the integral sign, is called the integrand, and is the integral variable

    其中被稱為積分號，稱為被積函數，被稱為被積表達式，稱為積分變量。
  10. The limit of the integrand f ( x ) of abnormal integral, which is convergent in the infinite range of integration, is not certainly equal zero at infinity

    摘要無窮限反常積分收斂時，其被積函數在無窮遠處的極限不一定為零。
  11. If the integrand is related to the top integral function in definite integral computation, the definite integral possesses the different expression from

    在定積分計算中，當被積函數與上取整函數有關時，會有不同的表達形式。
  12. Chapter 1 deals with the numerical simulation method. chapter 2 deals with the monte carlo methods. the monte carlo integration that the domain of integration is curved or complex connected curved polyhedron and the integrand has singular points is discussed in this chapter

    第二章討論了用montecarlo數值模擬方法求積分區域為曲面體和積分區域為復連通曲面體的情形，且被積函數有奇異點。
  13. After constrcting the perfective space, prove that this space is just the space of lebesgue integratiable function, thus explain that lebesgue integral is the form of the perfective riemann integral

    在構造了完備化空間之後，證明了該空間就是勒貝格可積函數空間，從而說明了黎曼積分的完備化形式是勒貝格積分。
  14. Based on the " size " of the set of perturbed minimal points in the variational principle, the differentiability of lower semicontinuous functions is examined by means of approximation of the infconvolution sequence

    摘要通過函數的下卷積函數列的逼近方法，在變分原理中從擾動最小值點集的「大小」入手，研究了下半連續函數的可微性。
  15. The conditions of term by term integration sequence of integrable functions on infinite interval

    無窮區間上可積函數列逐項積分的條件
  16. Based on this result, convergence of gaussian quadrature formulas for riemann - stieltjes integrable functions on an arbitrary system of nodes on infinite intervals is discussed

    應用這個結果，我們討論了關于riemann - stieltjes可積函數f （ x ）基於無限區間上的任意節點系的gauss求積公式的收斂性。
  17. The subsection integral is used to get a simple function at first in the numerical calculation, and boundary integral is realized by gauss integral on each panel and line, then the complexity and isstability as a result of the high frequency surge function can be avoided

    數值計算中，首先採用分部積分對被積函數進行簡化處理，然後採用高斯積分實現面元和線元上的積分，避免了被積函數為高頻振蕩函數所帶來的數值計算的復雜性和不確定性。
  18. The integrands in the dispersion equation are not integrable in general, so we used the asymptotic expansion solution to analyze the behavior of the dispersion relation at the singularity and mapped the dispersion relation curves approximately the system composed of collisionless particles which obey maxwellian distribution or all kinds of degenerate distribution, even in their mixture system, their dispersion relation are analogous

    一般來說，色散方程中的被積函數都是難以求積的，本文是用函數逼近法分析色散方程在奇點處的行為，並大致劃出色散關系曲線。由無碰撞粒子組成的系統，不管初始分佈是maxwell分佈還是各種簡並分佈，甚至是這些分佈的混合體，色散關系都是相似的。
  19. In chapter2, we establish the model of present value of benefits, which is fitted to two situations - single life situations and multiple life situation : where b ( t ) is a positive function, is force of interest accumulation function, i ( t ) is indicator function and t is the remaining life of the insured

    第2章提出了具有一般形式的變額壽險的給付現值模型，適合於單生命狀態和多生命狀態兩種情形：其中b （ t ）為正值函數， y （ t ） = t + ? y （ t ）為息力累積函數， i （ t ）為示性函數。 t為被保險人的余壽。
  20. This paper describes the feature of riemann integratiable function, and point out that the space of riemann integratiable function is not perfect under the meaning of lebesgue integral

    摘要綜述了黎曼可積函數的基本特徵，並指出黎曼可積函數列的極限運算在積分意義下是不封閉的。
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