针对雷达液位仪开发研制中的关键问题一高分辨力信号检测，采用等效时间采样原理进行应用研究。
Aimed at the key technique-high distinguishing ability at time interval, the application research was carried to completion based on equivalent time sampling.
主动探测通过不同的波形设计方法，研究了各种高分辨力信号实现高分辨距离像的方法及其优缺点和应用。
For active detection, through the different methods of waveform design, ways to synthesize high-resolution range profiles by different high-resolution signals is researched.
根据超声信号的特点，可以利用相干检测理论对信号进行处理，从而达到滤除噪声、提高分辨力的目的。
According to the characteristics of ultrasonic signal, it can be used to deal with correlation technique to filter noise and improve resolution.
为了满足地震勘探高精度、高分辨力的需要，进一步研究了多普勒测量技术和弱信号检测技术。
To meet the seism detections require of high accuracy, high resolving power, the measurement technique of Laser Doppler and detection technique of faint signal are further researched.
这就要求同时对宽频段广空域内多个辐射源的频率、到达角和极化等信号参量具有高精度、高分辨力的估计能力。
Then it is necessary to estimate the frequency, 2-i AOA and polarizations and other parameters of multiple signals in broad-band and in wide space.
输出信号频率通常可按十进位数字选择，最高能达11位数字的极高分辨力。
Output signal frequency can usually choose to decimal Numbers, to a maximum of 11-digit high resolution.
输出信号频率通常可按十进位数字选择，最高能达11位数字的极高分辨力。
Output signal frequency can usually choose to decimal Numbers, to a maximum of 11-digit high resolution.
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