Applying wavelet denoise to improve the test signal, the dynamic characteristic parameters of a overflow valve were obtained by selecting characteristic point of the signal.
此系统应用小波降噪的方法提高测试信号的质量，然后提取信号特征点，得到溢流阀动态特性的各项参数。
This paper briefly expounded the basic theory of wavelets and wavelet packet, and on the basis of using wavelet packet, introduced the general principles in vibration signal denoise.
简要阐述了小波分析、小波包分析的基本原理，并在此基础上介绍了利用小波包给信号去噪的一般原理。
The experimental results verified the accuracy and feasibility of the denoise method to process the momentary speed signal for engine misfire detection.
试验结果验证了该方法的可行性，为利用瞬时转速信号检测发动机失火提供了条件。
The problem of signal processing in north-finders has been studied. The wavelet-based hidden Markov models (WHMM) are used to denoise the Gyros output signals in continuous rotary north-finders.
研究寻北仪惯性传感器信号处理问题，采用基于小波域的隐马尔可夫模型(WHMM)，对连续旋转式寻北仪陀螺的输出信号进行降噪处理。
Signal acquisition system is presented and common denoise methods of hardware system are supplied.
介绍了信号采集系统，提供了硬件系统常用的降噪措施。
The algorithm first uses dynamic threshold algorithm which combines fractal dimension with wavelet transform to denoise the speech signal, it can extract pure speech as far as possible;
该算法首先利用分形维与小波变换相结合的动态阈值算法进行语音去噪，从而提取出尽可能纯净的语音信号；
The algorithm first uses dynamic threshold algorithm which combines fractal dimension with wavelet transform to denoise the speech signal, it can extract pure speech as far as possible;
该算法首先利用分形维与小波变换相结合的动态阈值算法进行语音去噪，从而提取出尽可能纯净的语音信号；
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