搜索资源列表
Frequency_Hopped_Spread_Spectrum
- This m-file plots the transmitted signal of slow frequency hopped spread spectrum.This uses one symbol transmission per frequency hop.
OFFAUTMN.ZIP
- change the extension to exe and extract contains: MFC VC++ and VB code for making Spread Sheet ur self
DSSS_enhanced_with_a_coarse_time_synchronization_
- The .m file simulates a Spread-Spectrum Modulation Trx/Rcx system, in which, the phase of the pseudo-random sequence generated in the transmitter and used to encode the data stream is unknown a priory at the receiver.A parallel search strategy is emp
LucyRichardsonAlgorithm
- The Lucy-Richardson algorithm can be used effectively when the point-spread function PSF (blurring operator) is known, but little or no information is available for the noise. The blurred and noisy image is restored by the iterative, accelerated, dam
Spread_2
- This program deals with Spread spectrum communication systems using chaos as the sequence generators.In coming days I will be updating it with complete chaos based generators Frequency Hopping and CDMA systems with multiple users and till oustic netw
DS_BPSK_TX
- This m file generates a DS BPSK transmitter(spread spectrum) using PRBS s which are modulus 2 added(exclusive ored)with the message and then used to BPSK modulate a carrier.
www
- 使用维纳分布进行瞬时频率估计用来校正电离层非线性相位污染带来的频带展宽-High-frequency (HF) sky-wave radar signals propagate to and from the target by means of the ionosphere. The difficulty in obtaining very narrow beamwidths at HF, and the long ranges involved, mean that the
Prog_OFDM
- 应用OFDM可以有效地对抗多径时延扩展。循环前缀不仅可以消除符号间干扰（ISI），还能消除子载波间干扰（ICI).本项目完整地仿真了OFDM系统。-Application of OFDM can effectively combat multipath delay spread. Cyclic prefix can not only eliminate inter-symbol interference (ISI), can eliminate Inter-carrier interfer
kuopin_wangying
- 王颖：数字图像水印 用扩频方法实现数字水印-Wayne Wang: Digital image watermarking method using spread-spectrum digital watermarking
Demod
- Matlab code for Frequency hoping spread spectrum and qam demodulator
InitialPerformanceEvaluationofDFTSpreadOFDMBasedS
- Abstract—In this paper we present an initial performance evaluation of the 3GPP UTRA Long Term Evolution (UTRA LTE) uplink with baseline settings. The performance results are obtained from a detailed UTRA LTE uplink link level simulator suppo
Doppler
- A signal is transmitted using a carrier frequency of 900 MHz. It is transmitted through a multipath channel which can be modelled as Rayleigh fading. Assumingthe Dopper spread as 10Hz and the number of multipaths as 10, generate the Rayleigh
bpsk_walshcode_dsss
- This file contains the BPSK based Direct sequence spread spectrum using simulink
FreqWatermark
- 一种基于DCT的扩频水印算法，本算法通过对水印信息进行扩频，在原始载体图像的DCT域内进行水印嵌入。-DCT-based spread spectrum watermarking algorithm, the algorithm is spreading through the watermark information in the original carrier image of the DCT domain for watermark embedding.
spread1_6
- simulink做的BPSK的调制与解调，信号源是随机信号与PN码扩频调制，最后结果与随机信号比较一致-simulink do BPSK modulation and demodulation, the signal source is a random signal with the PN code spread-spectrum modulation, the final result more consistent with the random signal
pnsequencedsss
- pn sequence direct sequence spread spectrum
fhss
- frequency hopping spread spectrum
SpreadShaping
- 直接序列扩频+成型滤波，将编码后数据进行256倍扩频，再按照4倍内插根升余弦成型滤波，最后成形滤波后按4路并行输出，以满足并行输入DA的要求。-Direct Sequence Spread Spectrum+ shaping filter, the encoded data 256 times more spread spectrum, and then interpolated according to four times the root raised cosine shaping fil
DS
- 通过MONTE CARLO仿真说明DS扩频信号在抑制正弦干扰方面的有效性-MONTE CARLO simulation shows through the DS spread spectrum signal is sinusoidal interference suppression in the effectiveness of
SS
- 一个基于扩频水印的MATLAB程序调试好的，大伙可参考一下，互相学习-Spread-spectrum watermark based on a MATLAB program debugging good, everyone can make reference to learn from each other