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RESEARCH OF WAVELET TRANSFORM INSTRUMENT SYSTEM FOR SIGNAL ANALYSIS 被引量:11
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作者 Qin Shuren Chen Zhikui +3 位作者 Tang Baoping Yang Changqi Xu Mingtao He Hui (Test Center, Chongqing University) 《Chinese Journal of Mechanical Engineering》 SCIE EI CAS CSCD 2000年第2期114-121,共8页
After brief describing the Principle of wavelet transform (WT) of signals, a new signals analysis system based on wavelet transform is introduced. The design and development of the instryment of wavelet transform are ... After brief describing the Principle of wavelet transform (WT) of signals, a new signals analysis system based on wavelet transform is introduced. The design and development of the instryment of wavelet transform are described. A number of practical uses of this system demonstrate that wavelet transform system is specially functional in identifying and processing impulse, singular and non-smooth signals, so that it should be evaluated the most advanced signal analyzing system. 展开更多
关键词 Wavelet transform signal analysis instrument
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虚拟动态信号测试仪的实现与应用
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作者 陈科 傅承毓 《光电工程》 CAS CSCD 1998年第A12期88-91,104,共5页
利用虚拟仪器的概念和 FFT技术 ,以 PC机和通用的 D/ A、A/ D转换及数字I/ 0卡作为仪器硬件 ,开发出满足一般控制系统分析使用的动态范围 0 .1~ 2 0 0 0 Hz的虚拟动态信号测试仪器 ,并给出了利用该仪器对实际控制系统的测试结果。
关键词 信号分析测量仪 虚拟技术 数据采集
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