查询词典 integral

Property 1 The double integral of the sum of two functions is equal to the sum of their double integrals, that is

性质 1 两个函数和的二重积分等于它们二重积分的和，即

Finally this paper showed the application of double chord-power integral inequality from the geometry probability.

最后本文从几何概率上进一步说明了双弦幂积分不等式的应用。

Property 3 The double integral is additive with respect to the integration region, that is, if is divided into two regions and and the area of is 0, then

性质 3 二重积分关于积分区域具有可加性，即如果被分成两个区域和，的面积为 0，则有

From the theory and examples, the article points out why in the symmetric block the calculation of the double integral is easy to go wrong and offers some methods to avoid errors.

从理论和实例两个方面，指出了对称区域上二重积分计算中易出现问题的原因，并给出了避免错误的方法。

This paper introduces the concept of double integral, the fundamental nature and its application.

马超(三亚航空旅游职业学院，机电系，海南，三亚，572000)摘要：本文介绍了二重积分的概念、基本性质及其应用。

Based on the desired trajectory and real output dynamical information of the control system, a basic iterative learning control algorithm is suggested, its ε-convergence is derived, and the interval length of local symmetrical double integral is determined.

基于理想轨线与控制系统的实际输出动态信息，提出基本的迭代学习控制算法并分析和论证算法的收敛性，给出局部对称积分区间参数的确定策略。

Property 2 The constant factor in the integrand function can be taken out of the double integral, that is ,if k is a constant.

性质 2 被积函数前面的常数因子可以提到积分号前面，即，若k为常数。

In this paper, a general method for modeling the conductive electromagnetic interference sources of pulsewidth modulation inverters is presented based on the principle of the double Fourier integral.

基于双重傅里叶积分方法研究了三相PWM 逆变器传导干扰源的建模方法。

Based on the desired trajectory and real output dynamical information of the control system, a basic iterative learning control algorithm is suggested, its e-convergence is derived, and the interval length of local symmetrical double integral is determined.

基于理想轨线与控制系统的实际输出动态信息，提出基本的迭代学习控制算法并分析和论证算法的收敛性，给出局部对称积分区间参数的确定策略。

Under the basis of these, the lately widely used wavelet transform in DSP is used to wipe off the noise in the band of the signal frequency. Lastly, for its function of auto noise-resistance and double integral, the triple correlation is also used to improve the sensitivity of the receiver.

在此基础上，为了提高系统在低信噪比下的相关检测能力，采用了近来在信号处理中获得广泛应用的小波变换来去除信号频带内的噪声，并用三重相关对噪声的自动抑制作用和对信号的双重累积作用来提高接收机对回波信号的接收灵敏度。

In contrast to the ubiquitous rising-sun-with-rays military flag of the Japanese, Chinese banners and ensigns feature a range of designs.

与遍地都是的太阳军旗不同，中国人的旗帜和徽章设计得各式各样。

From their small corner of Feng's Guangzhou headquarters -- a jumble of pink leashes, squeezable rubber steaks, and plastic doggy Santas for Fido's stocking -- Soleil's designers come up with at least five new products a month.

从Feng 设在广州总部的产品展示柜台上可以看到，Soleil的设计师每月至少设计出5件新产品。