From this expression, the Peak Probability Density Function (PDF)of echoes in the time gate is conducted by using statistical theory, and has been strong proved by field data.

• 然后从该式出发,应用统计学原理导出了在整个取样门持续时间内,回波峰值的概率密度函数(PDF),并给出和讨论了现场的骓证结果。