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8PSKProgrese
- 高速数据传输系统中，8PSK为常用的调制方式。为了满足更高的误码率指标，本文对软判决算法进行了深入的研究，并针对两种不同的软判决算法进行了误码率仿真。-high-speed data transmission system, commonly used for 8PSK modulation. In order to meet the higher rate of error, this pair of soft decision algorithm for the in-depth stud
QPsk
- 实现QPSK调制,很好的显示了调制后的波形，且可通过改变相应参数来变换图形-Realize QPSK modulation, good show the modulated waveform, and by changing the corresponding parameter to transform graphics
pm
- 利用matalab中的simulink的仿真做的pm的调制与解调 非常的有用-Matalab use of simulation in simulink to do the modulation and demodulation pm very useful
8psk
- 1、 产生等概率且相互独立的二进制序列，画出波形； 2、产生均值为0，方差为1的加性高斯随机噪声； 3、进行8PSK调制，画出波形； 4、进行蒙特卡罗分析； 5、解调8PSK，画出眼图。-1、Produce equal probability and independent of each other binary sequence, draw waveform 2、Generate mean 0, variance 1 of the additive Gaussian ra
quasihaarwavelets
- quasi haar wavelets and digital modulation identification
modulationtype
- modulation type identification methodes using wavelet transform methode for adaptive
wt-in-TDCS
- 本文利用小波以及小波包在数字信号处理中表现出来的优势，将其应用到变换域通信(TDCS)中。针对基于傅里叶变换估计方法无法对非平干扰进行有效估计的缺点，于是小波技术被应用于谱估计中。作为TDCS通信前端的频谱感知阶段所应用的数学工具，进行频谱感知，小波变换可以确定干扰所在频段以及创建小波基函数，用于数据传输。并且将其与其他变换方式的应用场合以及性能进行对比。并且针第二代小波良好的数据压缩性能，拟将其应用于TDCS中，对干扰频谱进行进一步压缩-The article utilized the adv
erdianwuMHZ
- 高斯函数调制的源程序代码，频率为2.5Mhz-Gaussian function of the source code modulation frequency of 2.5Mhz
Digitalcommunication-
- 本文首先介绍了已有的调制识别方法：判决理论识别方法和统计模式识别方法[9]，然后详细介绍了基于小波变换调制识别过程，最后分析了数字信号调制识别技术的发展前景。-This paper first introduced the existing modulation identification method: Decision theory identification method and statistics pattern recognition method, Then detailed
Wpittchshiifta
- 用短时傅立叶变换方法实现歌曲变变调功能，变调最小步长为1个半音 -Achieve the song becomes sandhi function modulation smallest step for a semitone short-time Fourier transform method
Sound_modulation_A_law_u_law
- 脉冲编码调制程序，采用A律和u律，可在GUI中显示变换前后波形区别并播放声音。-A Pulse Code Modulation program based on A-law and u-law. Can display in the GUI waveform before-and-after difference and play the sound.
Matlab
- 线性调频（LFM）脉冲压缩雷达仿真,脉冲压缩雷达能同时提高雷达的作用距离和距离分辨率。这种体制采用宽脉冲发射以提高发射的平均功率，保证足够大的作用距离；而接受时采用相应的脉冲压缩算法获得窄脉冲，以提高距离分辨率，较好的解决雷达作用距离与距离分辨率之间的矛盾。-Linear frequency modulation (LFM) pulse compression radar simulation, pulse compression radar while increasing the role
Huffman-modeling
- 信源编译码仿真，信道编译码仿真，数字调制解调仿-Simulation of the source codec, channel coding simulation, digital modulation and demodulation simulation
Wireless-communication-channel
- 路径损耗，阴影，衰落（瑞利，莱斯和中头m）；信号的调制，解调和比特错误率（BER）与SNR曲线-The path loss, shadowing, fading (Rayleigh, Rice and Nakagami-m) signal modulation, demodulation and bit error rate (BER) and the SNR curve
QPSK
- QPSK调制后产生QPSK信号，QPSK信号分别通过AWGN信道、Rayleigh衰减信道和Rician衰减信道，分别通过QPSK解调出数字信号，通过输入与输出数字信号的对比计算出仿真过程中的传输误比率，并将其与各衰减信道的理论误比率进行对比-Generate QPSK signal QPSK modulation, QPSK signals through AWGN channel, Rayleigh fading channel and Rician fading channel, resp
plot
- 4-QAM,8PSK,QAM,QPSK +AWGN : Ps-Es/N0 and Pb-Eb/N0 We can plot 2 fig. to show that the 4 modulation situation-4-QAM,8PSK,QAM,QPSK +AWGN : Ps-Es/N0 and Pb-Eb/N0 We can plot 2 fig. to show that the 4 modulation situation
Analog-modulation-and-demodulation
- 模拟线性调制系统的调制和解调原理,编写AM、DSB、SSB调制，并画出时域波形和频谱图-Analog modulation and demodulation principle of linear modulation systems, the preparation of AM, DSB, SSB modulation, and draw time-domain waveform and frequency spec
pulse-code-modulation-principle
- 掌握脉冲编码调制原理； 理解量化级数、量化方法与量化信噪比的关系 -Grasp the pulse code modulation principle Understanding of quantization levels, and quantitative methods to quantify the relationship between SNR
spwm
- 用脉冲宽度按正弦规律变化而和正弦波等效的PWM波形即SPWM波形控制逆变电路中开关器件的通断，使其输出的脉冲电压的面积与所希望输出的正弦波在相应区间内的面积相等，通过改变调制波的频率和幅值则可调节逆变电路输出电压的频率和幅值-With pulse width according to the sine law of change and equivalent sine wave inverter PWM waveform of SPWM waveform control circuit swit
3443546565
- 基于matlab编程16qam matlab仿真 QAM调制 程序百分可以运行 供大家学习参考使用-Percentage may run for them to learn programming 16qam matlab matlab based simulation QAM modulation procedures for reference