×
Log in
Upload File
Most Popular
Study
Business
Design
Technology
Travel
Explore all categories
Report copyright -
标题 - Tsinghua University · 4 9 (3)扩频技术 扩频又称为扩展频谱,它的定义如下:扩频通信技术是一种信息传输方式,其信号所占 有的频带宽度远大于所传信息必需的最小带宽;频带的扩展是通过一个独立的码序列来完
Please pass captcha verification before submit form
Select
Pornographic
Defamatory
Illegal/Unlawful
Spam
Other Terms Of Service Violation
File a copyright complaint
Send