The definition of APD limits for base-band digital modulation systems
Amplitude probability distribution (APD) statistical parameter measuring technique was approved as a new standard electromagnetic disturbance measurement method in CISPR16-1 Ed.2, but the limits of APD is still under consideration. Based on the constellation diagram, a general method to determine APD limits is presented in this paper. First of all, the smallest Euclidean distance of communication system is obtained from the constellation. Secondly, the relationship between APD and Bit Error Rate (BER) is established. As well as an example is given to show how to determine APD limits for a few base-band digital modulation systems. Finally, considering the APD limit based on the max BER is too strict to use in actual measurement, a method to obtain approximate average APD limits is presented and illustrated.
BER APD Constellation
Men Shuixian Wang Guodong
EMC Lab., School of Elec.And Infor.Eng.Beijing Jiao Tong University Beijing, China
国际会议
北京
英文
210-213
2009-10-27（万方平台首次上网日期，不代表论文的发表时间）