低截获概率信号作为低截获概率(Low Probability of Intercept,LPI)雷达产生的信号,其低功率、频率捷变以及大时宽-带宽积等特点,使得低截获概率雷达信号具有优良的抗干扰与抗截获性能,这给截获接收机提出了更高的要求。本文针对三种典型低截获概率雷达信号,包括跳频信号、线性调频(Linear Frequency Modulated,LFM)信号和非线性调频(Nolinear F
Objectives: To report the experiment conducted at the HOGGY Urology department in the management of urethral stricture by urethroplasty, and to determine the fa
Retrocaval ureter, terms are anatomically descriptive but misleading in regard to development and results from altered vascular development. This anomaly is rel