-
VOIP(H323)
采用H323协议的ip电话通信系统,可以移植裁剪应用。(Ip with H323 protocol telephone system, portable cutting applications.)
- 2010-11-22 19:58:20下载
- 积分:1
-
stf
这是一篇基于循环延迟分集的分组预编码和空时频编码技术方面的典型文章(This is a cyclic delay diversity based on the group pre-coding and space-time-frequency coding technology, a typical article)
- 2008-04-16 16:12:02下载
- 积分:1
-
terminal3
说明: 该资源为应用GNUradio工具,对USRP的开发,主要实现了频谱感知,以及根据频谱感知的结果进行ofdm通信的功能(This resource is the development of USRP using gnuradio tool. It mainly realizes the function of spectrum sensing and OFDM communication according to the result of spectrum sensing)
- 2020-03-04 12:10:50下载
- 积分:1
-
MIMOchannel
MIMO系统的多径信道仿真程序,带有接收端和发送端的相关性计算,符合非物理模型下的MIMO信道(MIMO system in multipath channel simulation program, with the receiving end and sending end of the relevant terms, in line with the non-physical model of the MIMO channel)
- 2020-07-03 19:00:02下载
- 积分:1
-
SST_Y
说明: 用MATLAB实现同步压缩变换SST,好用(Realize synchronous compression transformation, easy to use)
- 2020-12-22 19:59:07下载
- 积分:1
-
findEllIntersect
说明: 无源被动雷达定位中的利用椭圆法求交点,得到目标位置(Passive Radar Detection using Range-Doppler Transformations find ell intersect)
- 2020-08-25 20:48:15下载
- 积分:1
-
NFC1
NFC协议第一部分,描述了NFC tag 1 通讯协议(NFC protocol first part describes the communication protocol NFC tag 1)
- 2016-06-26 11:19:30下载
- 积分:1
-
CS100大气压力传感器
CS100大气压力传感器应用与中文手册,大气压力长时间测量(CS100 Application of atmospheric pressure sensor)
- 2017-10-23 21:02:34下载
- 积分:1
-
zww_GE
6678的网口程序 已经调试成功了 适用于6678开发板(6678 NDK net project GE ndk me let net project GE ndk me let project GE ndk me let)
- 2017-11-27 09:17:42下载
- 积分:1
-
8psk
(1) 分析QPSK调制、解调原理,并画出其系统框图;
(2) 产生等概率且相互独立的二进制序列,作为待传输的信号,并画出其波形;
(3) 进行8PSK调制,分别画出I、Q两支路信号经过乘法器后的波形以及8PSK调制波形;
(4) 产生均值为0,方差为1的加性高斯随机噪声,画出其时域波形及频谱;
(5) 将加性高斯随机噪声作为传输信道的干扰,画出接收端信号的时域图;
(6) 进行8PSK解调,输出解码序列,画出解调后信号波形;
(7) 计算系统信噪比、传输误码率。((1) analysis of QPSK modulation, demodulation, and draw the system block diagram (2) have equal probability and independent binary sequence as a signal to be transmitted, and draw the waveform and (3) 8PSK modulation, Draw the I, Q two way signal multiplier waveform and 8PSK modulation waveform (4) to produce zero mean and variance of an additive Gaussian random noise, to draw the time-domain waveform and spectrum ( 5) the additive Gaussian random noise interference as a transmission channel, to draw the time-domain diagram of the receiver signal (6) 8PSK demodulator output decoding sequence, draw the demodulation of the signal waveform computing system (7) signal-to-noise ratio, the transmission bit error rate.)
- 2012-06-24 13:16:59下载
- 积分:1