About NIWA K
About Central Research Lab., Kawasaki
About YUKAWA A
About Central Research Lab., Kawasaki
About TOMOZAWA A
About Central Research Lab., Kawasaki
About IEEE Transactions on Communications
About delta modulation
About CODEC
About AD/DA conversion circuits
About Modulation and demodulation systems
About 適応
About ディジタル変調
About CODEC