阐述了被动雷达的定位原理和发展，对不同的定位原理进行了初步的比较。重点阐述了长基线时差定位被动雷达的定位原理、定位精度，被动雷达的特点，长基线时差定位系统目标搜索的工程实现方法和性能，并且对不同搜索方式进行了比较，提出了自动搜索跟踪方式的工程设计原理和实现方法。

The principle of location of a passive radar is described in this paper. A preliminary comparison of different locating principles is made, focusing on that of long baseline time lag passive radar. The location accuracy, features and engineering implementation method are described. Different search modes were compared and design principle of automatic search and track mode is suggested.

TN958.97