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ofdm
- 基于dct的数字水印，用ofdm对水印信息进行调制-Dct-based digital watermarking with ofdm modulation of the watermark information
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
212132
- 把消息转换成电信号。信源可分为模拟信源和数字信源。区分模拟信号和数字信号的准绳是看其取值是连续的还是离散的，而不是看时间。 信源编码：主要是利用信源的统计特性，解决信源的相关性，去掉信源冗余信息，提高系统有效性的目的。 信道编码：保证通信系统的传输可靠性，克服信道中的噪声和干扰。 调制：其主要目的是使经过编码的信号特性与-The message into electrical signals. Source can be divided into analog source and
test
- 再抽样后，调制前，信后总要先被量化。这里提供一段程序用于解决这一问题。-after sampling, we always need to quantize the signal in order to do the modulation. here i provide a segment of code which can solve this problem
VHDL
- 基于VHDL硬件描述语言，对基带信号进行调制，仿真和设计-VHDL hardware descr iption language based on the base-band signal modulation, simulation and design
RBF-tiaozhishibie
- 有关调制识别的文章，有需要的可以看看，参考一下-Articles related to modulation recognition, there is need to take a look at, refer to
DPCM
- DPCM编码,简称差值编码，是对模拟信号幅度抽样的差值进行量化编码的调制方式.-DPCM coding, referred to as difference coding is to sample the analog signal amplitude to quantify the difference between the modulation coding.
QAM
- QAM的调制一种调制解调matlab仿真，欢迎大家下载，多多支持-QAM modulation a kind of modulation and demodulation matlab simulation, welcome to download, will support
shuzitiaozhishibie(1)
- 数字调制识别的相关论文，供大家做毕业设计参考，内容丰富详实.-Digital modulation recognition of relevant papers, for all to do graduate design reference, rich and detailed.
shuzitiaozhishibie(2)
- 数字调制识别的相关论文，供大家做毕业设计参考，内容丰富详实.-Digital modulation recognition of relevant papers, for all to do graduate design reference, rich and detailed.
shuzitiaohzishibie(3)
- 数字调制识别的相关论文，供大家做毕业设计参考，内容丰富详实.-Digital modulation recognition of relevant papers, for all to do graduate design reference, rich and detailed.
quasihaarwavelets
- quasi haar wavelets and digital modulation identification
modulationtype
- modulation type identification methodes using wavelet transform methode for adaptive
addd
- 这是一个使用正弦型光栅调制频谱 实现图像左右相加的程序-This is a sinusoidal grating with modulation spectrum around the sum of the process of image
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
dm_dct_fenkuai
- 数字水印技术中的DM（抖动调制）水印算法的一个简单的小程序-Digital watermarking technology in the DM (jitter modulation) Watermarking a simple little program
watermark_part0
- 数字水印，水印的嵌入，水印的提取检测，量化编码调制水印的实现-Digital watermark, the watermark embedding, watermark extraction testing, to quantify the realization of coded modulation watermarking
PerceptualQIM
- 感知量化索引调制QIM的代码。 运用到离散余弦变换DCT。-Perceptual quantization index modulation QIM code. Applied to the discrete cosine transform the DCT.
signal
- 无调制的从一群人声音中提取一个人的声音，使用傅里叶变换和滤波-No modulation of the sound from a group of people to extract a person' s voice, the use of Fourier transform and filtering