Testing Method of Field Uniformity for 5-meter Anechoic Chamber

This paper introduces the field uniformity(FU) indexes for evaluating the anechoic chamber and has a discussion on the anechoic chamber.For measuring quickly and truly,it also designs two different tests about FU of 5 m anechoic chamber on the basis of 3 m and 10 m anechoic chamber test,analyzes the experiment result and presents some advices.