audio frequency

• Audio frequency test load
  音频试验负载
• Application on double audio frequency technology to data transmission in underground mine
  双音复频技术在井下数据传输中的应用
• The audio frequency signal includes two types of signals , speech and non - speech
  音频信号包括语音和非语音( non - speech )两类信号。
• Audio frequency load
  音载负载
• Study the familiar audio frequency data processing technique and general methods of audio retrieval
  4 、研究了单一音频信号的识别方法。
• Haisheng company with south korea join venture specializes in audio frequency disposal
  海升公司是专业从事音频产品研发生产的高新技术企业。
• The key - in function . besides equipped with audio frequency and file browsing , it also has
  书包、 ip电话、语音信箱、电子公告及网路聊天等功能
• This choke must be large in value , and provides a relatively high impedance at audio frequencies
  这一扼流圈必须有足够大的容量，并能在音频内提供相对高的感抗。
• Audio devices " performances in playback are evaluated by their frequency response in the whole audio frequency range
  音频设备对于信号的重放能力是由其频率响应特性来衡量的。
• So the audio frequency watermarks have more defiant compared to the static image and video frequency watermark
  针对音频水印的特点本文重点考虑了水印的抗裁剪能力和水印的安全性问题。