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ifdma_tfrank
- The Interleaved Frequency Division Multiple Ac- cess (IFDMA) scheme is based on compression, repetition and subsequent user dependent frequency shift of a modulated signal. Multiple access is enabled by the assignment of overlapping but mutua
OFDM_m
- 完整的OFDM链路程序并作了较为具体的解析从基本的bpsk,qpsk,qam到实际的ofdm系统，cdma链路，mac层仿真分析.-Orthogonal frequency division multiplexing (OFDM) is becoming the chosen modulation technique for wireless communications. OFDM can provide large data rates with sufficient robustn
PracticalRfSystemDesign
- 本书介绍射频微波系统设计，也包括其他阻抗匹配、天线等高频技术。-This book is about systems that operate at radio frequencies (RF) (including microwaves) where high-frequency techniques, such as impedance matching, are important.
pro_sdr
- in this code i have implemented the algorithm to find the minimum sampling frequency bandpasss sampling used in Software defined radio
91315v00_BPU_us
- Relaying and orthogonal frequency division multiple access (OFDMA) are the accepted technologies for emerging wireless communications standards. The activities in many wireless standardization bodies and forums, for example IEEE 802.16 j/m an
MobileFadingChannelsModellingAnalysisSimulation.ra
- 本书是关于无线衰落信道方面的一本好书，书中内含MATLAB代码！ -All relevant components of a mobile radio system, from digital modulation techniques over channel coding through to network aspects, are determined by the propagation characteristics of the channel. Therefore, a pr
Performance_Analysis_of_PN_Code_Acquisition
- 文章中主要阐述了PN码的捕获，并对以前的各种捕获方法进行了改进。得出了基于FFT的快速捕获算法！-Abstract-A FFT-based parallel acquisition algorithm for Direct Sequence/Spread Spectrum radio navigation system is studied to solve long PN code acquisition using serial method. Frequency domain
Simulations-for-Radar-Systems-Design
- OFDM simulation using matalab. -Orthogonal Frequency Division Multiplexing technology for cognitive radio!!!!
FM
- FM调制与解调(MATLAB程序与图) FM也是一种调制方式，即使在短波范围内的27-30MHz之间，做为业余电台、太空、人造卫星通讯应用的波段，也有采用调频（FM）方式的。-FM modulation and demodulation (MATLAB program and map) FM is a modulation, even in the short wavelength range of between 27-30MHz, as amateur radio, space, sat
adjustBW
- Bandwidth (signal processing) or analog bandwidth, frequency bandwidth or radio bandwidth: a measure of the width of a range of frequencies, measured in hertz Bandwidth (computing) or digital bandwidth: a rate of data transfer, bit rate or through
example5_3
- 超外差接收机的matalab功能模块仿真，调幅中波收音机的接收頻率段为550KHz 到605KHz，中频为465KHz-The matalab specialized superheterodyne receivers function modules simulation, am medium-wave radio shows for 550 KHz to receive 605 KHz, intermediate frequency for 465 KHz
VHF_all_band_jam
- 该模块主要完成跳频通信中敌意干扰下全频段干扰，该干扰主要是针对超短波电台，采用simulink编写。-The module is mainly to complete the full-band interference in frequency hopping communication in hostile interference, the interference for FM radio, written using simulink....
mymatlab
- For free space path loss, fc=1.5GHz (Carrier frequency) If we take different antenna gains such as 1.(Gt=1,Gr=1)and 2.(Gt=1,Gr=0.5)and 3.(Gt=0.5,Gr=0.5) When we reduce the antenna gains (i.e. the transmitting gain or the receiving gain) there is
Fading-channel-simulation
- 衰落信道仿真 function r = rayleigh( fd, fs, Ns ) r = rayleigh(fd,fs,N) A Rayleigh fading simulator based on Clarke s Model Creates a Rayleigh random process with PSD determined by the vehicle s speed. INPUTS: fd = doppler frequency
ofdm_with_noise
- Extremely high performance radio-access technology that offers full vehicular speed mobility and that can readily coexist with HSPA and earlier networks. OFDM/OFDMA technology is introduced for the LTE downlink, supporting very high data rates of up
ofdm_without_noise
- Technology that offers full vehicular speed mobility and that can readily coexist with HSPA and earlier networks. OFDM/OFDMA technology is introduced for the LTE downlink, supporting very high data rates of up to 300Mbps while Single-Carrier FDMA (SC
DA变换及上变频
- 用matlab实现ofdm系统中的DA转换和上变频到射频载波上。(Using MATLAB to implement the DA conversion in the OFDM system and up conversion to the radio frequency carrier.)
雷达噪声仿真
- 对雷达射频端实施射频噪声干扰，观测雷达目标回波干扰情况。给出了具体的matlab源码，和效果图。(Radio frequency noise jamming is applied to the radio frequency end of the radar, and radar target echo jamming is observed. The specific matlab source code and the effect diagram are given.)
jam_sp
- 噪声射频干扰信号的matlab仿真实现，其中包含成像的提取程序(SAR radio frequency jamming signal)