| 1. | W is a zero mean white noise source . W是一个零均值的白噪声源。 |
| 2. | Testing of multi - dimensional normal population with mean zero 多维正态总体零均值的假设检验 |
| 3. | W is a zero mean white noise source W是一个零均值的白噪声源。 |
| 4. | Analysis performance expressions of the bit error rates are derived , and logsitic map with zero mean is used for chaos generation in simulation 推导该方案的理论误码性能,以零均值logistic混沌映射为例进行仿真实验。 |
| 5. | In this paper , a new spectral subtraction method is presented , which breaks the assumption that the noise is gaussian distribution with mean 0 in the original spectral subtraction method 本文针对谱减法中关于噪声是零均值的高斯分布的假设,提出了一种可以打破这一假设的改进谱减算法。 |
| 6. | During the research , ultrasonic signal testing system was designated by adopting transform the average value of function to nought , optimizing of collection frequency and transducer frequency 在研究过程中,采用零均值化、优化采样频率与探头频率的匹配等对超声信号频谱分析系统进行了标定。 |
| 7. | When the radar is narrow band , radar target is studies as a point target . target and clutter are modeled as having a zero - mean complex gaussian probability density function ( pdf ) . target is assumed as slowly - fluctuant 窄带条件下,雷达目标可以看作是一个点目标,假设目标和杂波都服从零均值的复高斯分布,目标为慢起伏。 |
| 8. | Two - levels and three levels algorithms are discussed in the more general system , which has control input and in which the processing noise and measurement noise are correlated gaussian white noise with nonzero mean 针对存在控制输入、过程噪声与观测噪声相关且为非零均值高斯白噪声的多传感器系统,推导了二级、三级融合算法。 |
| 9. | The numerical results show that the time domain response of the laminated plates induced by the in - line force of non - steady component oscillating flow is similar to harmonic motion with certain ribbon which is formed by period motion 计算结果表明,零均值流量脉动流顺流向作用力诱发反对称角铺设层合板的时域响应近似于具有一定带宽的谐波运动,而这一带宽又是由一定周期运动形成的。 |
| 10. | Assuming that the earthquake ground motion is a zero mean valued non - stationary random excitation , the higher accuracy numerical algorithm of these complex oscillators were developed in virtue of the principle of pseudo - excitation method 通过假定地震地面运动为一零均值的非平稳随机激励,应用虚拟激励法原理,推导得到了广义复振子动力坐标计算的一般公式,进而得到了非比例阻尼线性体系非平稳随机地震响应计算的一般解答。 |