该方案通过多频点数字合成技术可以准确模拟海面回波波谱；
The multitone digital synthesizer is employed to simulate the spectra of ocean return signal.
简要介绍了海面回波模拟器的原理，提出了一种全系统海面回波模拟器方案。
The principle of ocean Return Signal Simulator (RSS) is briefly introduced, and a design of full system RSS is presented.
详细讨论了不同入射角和不同分维及遮蔽效应对分形海面散射回波多普勒谱的影响。
The influence of different incident Angle, different fractal dimension and shadowing effect on the Doppler spectra of the echo from the fractal sea surface is discussed in detail.
来自地面、海面的雷达回波影响着雷达性能，所以对地海杂波进行建模与仿真技术研究已成为雷达工程师的关注焦点。
Because the radar performance is affected by the radar return signal form the land and sea surface, radar engineers have focused on the research on clutter's modeling and simulation.
海杂波是海面反射的雷达回波，海杂波的存在严重干扰了雷达对海面目标的检测性能。
Sea clutter is the undesired radar echoes from sea surface. The existence of sea clutter contribute a serious disturbance to the target detection performance of radar.
文中分析了回波信号以及其共轭信号的FRFT幅值特性，并利用此特性提出了一种基于共轭FRFT模函数对消的海面运动目标检测方法。
In the paper the amplitude characteristic of echo signal and its conjugate signal are analysis, based on that a detection method based on conjugated FRFT in sea clutter is proposed.
海底地层回波数据的成像处理是依据地层剖面仪在海面激发以及水听器接收到的海底地层声纳回波信息来研究海底地层沉积结构的一种方法。
The method of imaging the submarine sediment layers' echo data is to study the geologic structure with the information simulated by a profiler and received by hydrophone streamers at the sea surface.
海底地层回波数据的成像处理是依据地层剖面仪在海面激发以及水听器接收到的海底地层声纳回波信息来研究海底地层沉积结构的一种方法。
The method of imaging the submarine sediment layers' echo data is to study the geologic structure with the information simulated by a profiler and received by hydrophone streamers at the sea surface.
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