然而短相干积累时间带来的低多普勒分辨率很难从强大的海杂波中区分出舰船。
However, short CIT and the resulting low Doppler resolution cannot separate the ship target from the close powerful ocean clutter.
与通常使用的时间尺度归一化技术相比，所提出的技术保证了信号能量的相干积累。
Thus, as compared with the conventional time-normalization method, the proposed technique ensured the accumulation coherent of the signal energy could be.
本文研究了稀布阵综合脉冲孔径雷达的长时间相干积累特点及其存在的问题；
Sparse-array Synthetic Impulse and Aperture Radar (SIAR) can isotropically radiate so that the long-time coherent integration can be obtained.
针对目标回波检测，本文采用了长时间相干积累的方法，仿真结果表明该方法提高了目标回波积累峰值；
Aiming at target echo signals detection, long-time coherent accumulation processing is adopted. Simulation results show that the method improves the power of target echo signals.
针对目标回波检测，本文采用了长时间相干积累的方法，仿真结果表明该方法提高了目标回波积累峰值；
Aiming at target echo signals detection, long-time coherent accumulation processing is adopted. Simulation results show that the method improves the power of target echo signals.
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