Study on Real Time Test System for FSK Signal
wei xueye zhang yong wang qiongzhou (college of electronics and information engineering; northern jiaotong university; beijing 100044)
The Relations of Quasi regular Mappings and Variations
zheng shenzhou (college of sciences; northern jiaotong university; beijing 100044) zheng xueliang (department of mathematics; taizhou teacher college; zhejiang taizhou 317000)