About ZHANG Guozhi
About School of Electronic Information, Northwestern Polytechnical Univ., Xi?an
About LI Jinghua
About School of Electronic Information, Northwestern Polytechnical Univ., Xi?an
About Danjian yu Zhidao Xuebao
About detection
About energy
About zero crossing
About sound
About target
About speech signal
About 空中目標
About Other applications of acoustics
About 目標
About エネルギ検出
About 零交差
About 性能比較