SPREAD SPECTRUM MODULATION TECHNIQUES -spread spectrum - those modulation methods that are producing a signal whose spectrum is more wider than of the data signal, the occupied frequency band being independent by the signal of data band. -The signals with spread spectrum of direct sequence type BPSK (BPSK-DS-SS) -The signals with spread spectrum of direct sequence type QPSK – DS–SS - Frequency hopping spread spectrum signals (FH-SS)
标签： MODULATION TECHNIQUES modulation SPECTRUM
上传时间： 2017-06-05
上传用户：lht618
TIME HOPPING SPREAD SPECTRUM SIGNALS (ULTRA WIDE BAND SIGNALS) - UWB SIGNAL DESCRIPTION - THE UWB TRANSMITTER - THE UWB RECEIVER
标签： SIGNALS DESCRIPTION UWB SPECTRUM
上传时间： 2014-01-06
上传用户：duoshen1989
Spread-spectrum techniques are methods by which electromagnetic energy generated in a particular bandwidth is deliberately spread in the frequency domain, resulting in a signal with a wider bandwidth. These techniques are used for a variety of reasons, including the establishment of secure communications, increasing resistance to natural interference and jamming, and to prevent detec
标签： Spread-spectrum electromagnetic techniques particular
上传时间： 2017-06-06
上传用户：royzhangsz
用c# asp.net 编写b/s模式的管理系统
上传时间： 2013-12-16
上传用户：变形金刚
ALGORITHMIC AND MATHEMATICAL PRINCIPLES OF AUTOMATIC NUMBER PLATE RECOGNITION SYSTEMS B.SC.
标签： MATHEMATICAL ALGORITHMIC RECOGNITION PRINCIPLES
上传时间： 2017-06-07
上传用户：熊少锋
g729 coding ipaddressing type b
标签： ipaddressing coding g729 type
上传时间： 2013-12-19
上传用户：黑漆漆
钟型隶属函数-b参数变化钟型隶属函数-b参数变化
上传时间： 2014-11-12
上传用户：whenfly
实现了用vhdl语言完成在编码过程中的插B功能，
上传时间： 2013-12-21
上传用户：zhengjian
重点介绍了C + + B u i l d e r集成开发环境，以便读者在创建应用程序时能充分利用其强大的功能，从而达到事半功倍的效果。
标签： 集成开发环境
上传时间： 2013-12-25
上传用户：zsjzc
Matrix operations solution of AX=B Jordan and newton Methods
标签： operations solution Methods Matrix
上传时间： 2013-12-01
上传用户：小鹏
