搜索资源列表
CPAFC
- 附件中包括: 1.叉积自动频率控制(CPAFC)matlab源代码cpafc.m 2.相应的am调制的测试信号am.dat ,载波500Hz,采样8000,调制信号50Hz,32 位float-Accessories include: 1. Cross product auto frequency control (CPAFC) matlab source code cpafc.m 2 . corresponding test signal modulation am am.dat,
dsc-single-sideband-modulation
- dsc单边带调制。功能是用10Hz的载波信号去调制频率为500Hz的基带信号,然后得到单边带调制信号-single-sideband modulation
cul
- 调用麦克和声卡,以声波为载波实现两台计算机无线传输,内涵所有调制解调代码和实现主程序-Call Mike and sound card to wave for the realization of two computers wireless carrier, content and implementation of all the main modem code
chengxu
- 载波相位调制解调4相PSK的比特误码率与理论差错概率原程序系统的性能分析与模拟 -Carrier phase 4 phase PSK modulation and demodulation bit error rate of the original program with the theoretical error probability analysis and simulation of system performance
ASK-OOK-FSK-BPSK
- 二相相移键控(BPSK)是用二进制基带信号(0、1)对载波进行二相调制。BPSK是最简单的PSK形式,相移大小为 180°,又可称为2-PSK。在群点聚集的地方,其实都不是非常有关系,在该图像中,群点分布在水平轴上的0°和180°上。由于BPSK使用严重的失真致使解调器作出错误的判断,所以该调制方式是所有PSK中最强的。但它只能以1bit/symbol调制而不适合高数据率应用情况。 -bpsk modulation
bpsk
- 用一个双极性基带数据信号对载波进行角度调制产生BPSK信号s(t)=10cos[wct+Dpm(t)]。-With a bipolar baseband data signal generated BPSK modulated carrier signal point s (t) = 10cos [wct+ Dpm (t)].
bpsk
- 基于matlab的bpsk的调制 随机信号和载波可根据需要改动-Based on the bpsk matlab modulation random signals and carrier may need to change
BPSK
- 实现了BPSK信号的调制与解调,以及同步载波的提取-Achieve BPSK modulation and demodulation of the signal, and the extraction of carrier synchronization
qam
- 16qam,成型滤波器,加入载波,高斯噪声,调制解调多个星座图等 -16qam, shaping filter, adding the carrier, Gaussian noise, such as modem over Constellation
scfde
- 单载波频域均衡的完全编码,包括了调制解调,独特字,传输模拟,信道估计,频域均衡器设计等等完全的理论。-Single-carrier frequency domain equalization, including modulation/demodulation, unique words, transmission simulation, channel estimation, frequency-domain-equalizer design, etc.
tttttttttt
- QPSK调制解调的仿真图形,有调制前基带信号和两个支路信号,还有调制载波后的图形-QPSK modulation and demodulation of the simulation graph, a baseband signal before modulation and two branch signals, as well as the graphics after the modulated carrier
OFDM_rece_matlab
- 一个OFDM符号128个有效符号,插入128个虚拟子载波 符号率(即有效数据率)fsymbol,而发送速率(需要包括虚拟子载波)2fsymbol 输入的数据需要2倍的发送数据率,以便进行内插,实现位定时跟踪,即4倍fsymbol采样率的调制信号 OFDM symbol Nfft=128 points 一个OFDM符号数据点 Nfft*2 = 256 , Guard Interval点 =Ng*2=64 - a OFDM symbol 128 effective s
pulse-generate
- 本程序是矩形波的产生。第零步定义了要产生的波形的所有特征参数,矩形波的持续时间WIDTH,矩形波的采样点数POINTS,载波频率为F0,这个频率的最终引入是便于使用RF频率发射波形。第一步包括产生矩形波,并将其调制到RF上,注意,产生的信号的持续时间是矩形波宽度的5倍,这样,总的采样点数就是5*POINTS。同时还应注意,如果要产生一个基带信号,必须设置T0=0.第二步是画出所产生矩形波的源代码。- This procedure is rectangle wave production. Ste
TU45
- 给出了不同分割数量V条件下的系统的PAPR性能,分割方法为随机分割,辅助相位集合的相位数P=4(即 可选择的范围为{0,π/2,π,3π/4}),N=128,子载波采用QPSK调制,仿真的OFDM符号数为1000个。-V gives the number of different partitions of the system under PAPR performance of random segmentation segmentation, the number of secondary
sandiansan
- 给出k=1,2,3,4的OFDM系统使用改进的次优化算法时的PAPR性能。仿真参数:子载波数为64,QPSK调制,r=3,V=4,P=4,取 ,分割方法为交织分割,仿真的OFDM符号数为1000个。-Gives k = 1,2,3,4 of the OFDM system uses an improved PAPR when the sub-optimal algorithm performance. Simulation parameters: number of subcarriers 64
t4
- 图4.7给出了V=4,相位集合的相位数分别为P=1、2、4、8时的随机分割的PTS-OFDM系统的CCDF的性能图。仿真参数:分割方法为随机分割,子载波数N=128,子载波数据采用QPSK调制,仿真的OFDM符号数为1000个。-Figure 4.7 shows the V = 4, the phase of the collection phase, respectively P = 1,2,4,8 were separated when the PTS-OFDM system perform
ptsgai
- 给出了r=1,2,3,4的OFDM系统使用改进的次优化算法时的PAPR性能。仿真参数:子载波数为64,QPSK调制,V=4,P=4,取 ,分割方法为交织分割,仿真的OFDM符号数为1000个,迭代次数k=1。-Gives r = 1,2,3,4 of the OFDM system uses an improved algorithm for sub-optimal performance when the PAPR. Simulation parameters: number of subca
u-law-CCDF-N=128
- 程序仿真得图为原信号与u律压扩信号的互补累积函数曲线图。仿真参数:子载波N=128,采用QPSK调制。-The photo shows the original simulation program was u-law signal and the signal of the complementary cumulative function expansion curve. Simulation parameters: sub-carriers N = 128, using QPSK modu
the-Costas-loop-
- 用MATLAB SUMULINK仿真 抑制载波双边带调制的科斯塔斯环载波恢复和解调模型-Simulation with MATLAB SUMULINK carrier suppression double sideband modulation of the Costas loop carrier recovery and demodulator model
adaptive_filter
- 基于LMS的自适应滤波器的算法实现,该算法以数字调制信号为理想信号,并在已知载波频率的基础上,通过自适应滤波器实现数字调制信号的跟踪。-Adaptive Filter Based On LMS Algorithm