Joint time Frequency Analysis (JTFA) describes and determines how the frequencies of non stationary signals change over time. It offers a better understanding of nature of the signal.
时-频联合信号分析法能描述非稳态信号的频率如何随时间而变化，故它能使我们更好地理解信号的本质。
2
The thesis is the technical improvement of existing Signal Transmission System of Rotary joint Component in Vehicle.
论文是对现有军事车辆旋转连接部件综合信号传输系统的技术改进。
3
The robust control method based on signal compensation is applied to design controllers for each joint subsystem.