| 1. | Progress , though steady , has been slowly , due largely to difficulties inherent in attempts to characterize a random natural phenomenon in terms of a limited set of parameters . for many years , various non - gaussian probability distributions have been offered as models for the amplitude of sea clutter 对海杂波的研究迄今已有50多年,但其实验数据和理论远不能令人满意,还不可能对海面回波的电平(作为雷达参数和海面状态参数的函数)做出高度准确的预测。 |