non-gaussian & non-stationary noise 非高斯非平稳噪声
non-stationary shot noise 非稳散粒噪声
non-stationary color noise 非平稳色噪声
Non-Stationary random noise 非平稳随机噪声
By exploiting wavelet packet transform to analyze signals both in time and frequency space, this paper researches the statistic property of non-Gaussian stationary noise and its signal structure.
该文利用小波包变换的时频局部分析能力，研究了非高斯分布平稳随机噪声的统计特性，揭示了非高斯噪声信号的信号结构。
Simulation results show that non-stationary noise can be identified in time domain and resolution improvement is obvious compared with that of conventional noise detection in frequency domain.
实验表明：非平稳噪声在时域中是可以识别的，与传统的噪声频域检测方法相比，分辨率有明显的改善。
The shock wave and strong pulse noise, which produced by light rocket launcher, are belong to a non stationary signal process with a wide frequencies.
便携式火箭发射器所产生的冲击波和强脉冲噪声属非稳态信号，具有较宽的频率范围。
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