×
模态框(Modal)标题
在这里添加一些文本
Close
Close
Submit
Cancel
Confirm
×
模态框(Modal)标题
×
Toggle navigation
Home
About Journal
Editorial Board
Instruction
Subscription
Contact Us
中文
A new and accurate frequency estimation approach based on the phase difference
ZHANG Hai-ying1;2;YUAN Chao-wei1
J4 . 2007, (
6
): 969 -973 .