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。
Meet harvesters, harvester harvesters meet spring - according to the structure and way of unloading divided into stationary tilting side discharge type, shuttle and hopper.
矿车碰头，矿车碰头弹簧-矿车按结构和卸载方式不同分为固定式翻斗式侧卸式、梭式和底卸式几种。
The structure and permanent magnet synchronous motor model is presented, and then the mathematical model and state equation are structured based on the stationary and rotating coordinate system.
介绍了永磁同步电机的结构和模型，并在静止坐标系和旋转坐标系中建立数学模型和状态方程。
The constant speed transmission structure includes a constant speed rotating unit and a power transmission unit which is arranged inside the secondary stationary seat.
定速转动单元包括呈转动穿于第一、二固定座并由动力传动单元驱动的转动内杆及套设于转动内杆外的固定外管；
The AE signals of pipeline leak carry the information of structure integrity (the dimension and location of leak), which are random and uncertain, and belong to non stationary signals.
管道泄漏声发射信号既携带结构的某些特征信息（泄漏孔大小和位置等） ，同时又有很大的随机性和不确定性，属于一种非平稳随机信号。
On this basis proposed are the basic design principle of a moisture removal slot and rational slot structure shape and dimensions for the hollow stationary blades.
在此基础上，提出了空心静叶去湿缝隙的基本设计原则以及合理的缝隙结构形状与尺寸。
These principles lay the foundation theoretically for the solving of structure engineering problems for stationary temperature field by the approximate numerical methods.
这些原理为解决定常温度场中的结构工程问题提供了多种类型的原理，是用近似方法与数值方法解决热弹性问题的理论基础。
These principles lay the foundation theoretically for the solving of structure engineering problems for stationary temperature field by the approximate numerical methods.
这些原理为解决定常温度场中的结构工程问题提供了多种类型的原理，是用近似方法与数值方法解决热弹性问题的理论基础。
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