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汉语拼音：suí jī xìn hào

非确定性信号。即信号值随偶然因素而变化，但又遵从一定概率分布规律。常用平均值、数学期望和方差等进行分析和描述。

• The random signals sent out will either be positive, indicating a seismic rumble, or negative, meaning nothing at all is played.

  发出的随机信号将会是正的，用于表明地震次声波；或者是负的，表明什么也没有播放。

• A random signal of known statistical properties of amplitude, distribution, and spectral density.

  振幅、分布及谱密度等的已知统计特性的随机信号。

• to improve the stability , the auxiliary random noise power is changed and the simulation result proves its feasibility.

  用变附加随机信号能量的方法来改善算法的稳定性并进行了仿真验证。

• Using the absolute calibration method of random signal sensor, some perfect accelerometer frequency response curves are obtained.

  使用随机信号传感器绝对校准方法，得到了较为理想的加速度计频响曲线。

• The reliability of the time-series analysis method in processing unsteady random signals is verited.

  验证了时间序列分析方法在非平稳随机信号处理方面的可靠性；

• Among Nonstationary Randomness Signals(NRSs), brain neural signals are particularly difficult to classify.

  脑神经信号属于非平稳随机信号，是一类难以进行分类识别的信号。

• due to the baseline drift in the seismic wave , baseline correction has been applied.

  针对地震波这种随机信号存在的基线漂移问题，对其进行了基线校正。

• The module of FFT isu- universal, and it can be used for spectrum analysis of other random signal.

  该文设计的FFT运算模块具有一定的通用性，可用于其他随机信号的频谱分析。

• Synchronization of spatiotemporal chaos by an exterior stochastic signal and its applications

  外部随机信号驱动下时空混沌同步及其应用