Research of passive tracking satellite by single satellite using bearings and frequency measurements;

Study on the Passive Location Method of Anti-Ship Missile;

Research of passive location method based on broadcasting and TV signals;

The network of mine system and its principle of passive location;

Precision research of target passive localization based on the flexible ternary array;

Theory and application study of on line test and self trigger ultrasonic passive localization for partial discharges(Ⅱ);

IInfluence of microphone phase difference on acoustic passive localization with two arrays;

With the cross bearing technology and the principle of radio positioning as the basis,the design of the test route of passive positioning equipment under field test are given.