当随机变量的均值为零时，这个解在第一象限上的积分值可简化为一个已知的结论。
When the mean of random variables is zero, the solution is shown to reduce a known result for the value of the integral over the first quadrant.
是一个n - n矩阵随机作品，选自正态分布均值为零，方差一个标准偏差为一。
RANDN (n) is an N-by-N matrix with random entries, chosen from a normal distribution with mean zero, variance one and standard deviation one.
结果表明，在经典波包上笛卡尔坐标、动量的平均值为零，而它的平方的平均值随时间变化。
By introducing the rectangular wave packet, we have obtained the mean expectation values of the coordinates, momenta, and the square of these operators.
然后在设定由随机表面误差引入的口径相位误差服从均值为零的正态分布的条件下，推导了天线平均功率方向图的计算公式。
Secondly, on the assumption that the phase error on the aperture led by the random surface error obeys the Gaussian distribution with zero mean, the expression of the average power pattern is deduced.
在平均值为零或平均值为已知的季节时间序列模型中，根据加权对称估计量提出季节单位根的检验统计量，并求出此统计量的极限分布的表达式。
In this article, we propose seasonal unit root test statistics based on the Weighted Symmetric estimator and derive representation for limiting distributions of the statistics.
该算法安全性好，且生成的水印序列均值近似于零，为后面两种水印技术做准备。
The algorithms have good security and the mean of watermark sequences is close to zero, preparing for following two algorithms.
为检验算法的抗干扰能力，在试验图像上叠加了零均值的伪随机噪声。提出了实施这些算法方面的一些考虑。
To examine noise immunity of algorithms, pseudorandom noise mean of which is zero is added to the test image' Some considerations the for implementing these algorithms are presented.
地面运动加速度功率谱模型为零均值的平稳高斯过程，描述为过滤白噪声施加于支撑各点。
The power spectral density function of ground acceleration can be described as filtered white noise applied on each support point.
试验数据分析表明，测站钟差经一阶多项式拟合后的残差可近似为零均值的测量噪声；
The experiment data analysis results show that the clock residual error of monitor station after fitting by 1st order polynomial is approximately taken as noise with zero mean.
试验数据分析表明，测站钟差经一阶多项式拟合后的残差可近似为零均值的测量噪声；
The experiment data analysis results show that the clock residual error of monitor station after fitting by 1st order polynomial is approximately taken as noise with zero mean.
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