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fig0220-ppm.rar
- 超宽带无线通信，频域接收机实现程序，带有仿真图,Ultra-wideband wireless communications, frequency-domain realization of the procedures receiver with simulation map
costas--m
- 本程序是用matlab程序语言编写的costas环仿真程序，并对于模拟的costas环的性能进行了分析，costas环主要用于载波同步，本设计实现了对于载波频率跟踪的实现，并且给出图形对比-The program is written in matlab program costas loop simulation program, and the simulated performance of costas loop analysis, costas loop is mainly used
Doppler
- 低轨卫星LEO通信系统的多普勒频移估计，通过该程序可以画出多普勒频移的S曲线，可以观测处最大的多普勒频移以及变化率-LEO LEO satellite communication system of the Doppler frequency shift is estimated that the program can be drawn through the Doppler shift of the S curve can be observed to be the highest Dopp
802.11a_ofdm_code
- 现在我终于找到了一份,它以FUNCTION的形式,再现了OFDM映射,IDFT/DFT,同步(时间/频率同步)和信道估计,以及频率偏移的估计等一系列代码.希望大家能从中得到你需要的东西. -Now I finally found a copy of it to the form of FUNCTION, reproduces OFDM mapping, IDFT/DFT, synchronized (time/frequency synchronization), and channel e
schumann_resonance
- The Schumann resonance frequencies are a set of eigenmodes in the extremely low frequency (ELF) portion of the electromagnetic field spectrum. These frequencies are only present for planetary-like bodies with a substantial ionosphere acting as a perf
fig0315
- 超宽带无线通信，基于频域采样的超宽带接收机实现方案，带仿真图，误码率小，已调试通过-Ultra-wideband wireless communications, based on the frequency domain sampling program to achieve ultra-wideband receiver, with simulation maps, a small error rate has been debugging through
OFDM-Simulation
- 包含OFDM系统仿真，星状导频仿真，瑞利信道估计以及FFT与DFT算法复杂度比较。集合了12个项目，呵呵。-Contains the OFDM system simulation, the astroid pilot frequency simulation, the Rayleigh channel estimates as well as FFT and the DFT algorithm order of complexity compares. Has gathered 12 proje
costas_carrier_recover
- 基于硬件定点的完整的costas载波恢复环设计，FPGA设计可以用之参考。包括输入QPSK信号，16倍符号率采样，初始频差2.4KHz，以及低通滤波器的设计等待。最重要的是有本人的注释，易于上手。-Hardware-based fixed-point of complete costas carrier recovery loop design, FPGA reference design can be used. Including input QPSK signal, 16 times th
wanquangongxiang
- 动态信道分配的一种完全共享方案，所有用户和业务可以根据实际情况动态使用系统的时隙和频率资源-Dynamic channel allocation in a complete sharing scheme, all users and businesses can use the system according to the actual situation of dynamic time slot and frequency resources
agilent_wimax_ofdm
- AGILENT关于OFDMA设计的难得的参考资料-This application note is a guide to effective measurement and troubleshooting of IEEE 802.16e OFDMA “Mobile WiMAX” signals, components, and systems. The most distinctive term used to describe this new technology i
smallprograms
- bpsk-binary phse shift keying,fsk-frequency shift keying,hamming code,pcm-pulse coded modulation,dpsk-differential phase shift keying
JDCHE_and_JDPP_for_TD_SCDMA
- TD-SCDMA系统联合检测中的信道估计、信道估计后处理、信道估计串行干扰消除后处理算法的源代码。其中，信道估计采用频域快速FFT法以减少运算量；后处理采用激活窗检测法，只保留激活用户的多径信息，其余置0，以达到降低干扰及噪声的目的；串行干扰消除可以消除多小区信道估计的干扰，以得到本小区的纯净信道估计结果。-TD-SCDMA system, joint detection of channel estimation, channel estimation and post-processing,
OFDMsystem
- 正交频分复用技术是近年来发展起来的新技术,在高速无线数据传输领域有很大的应用前景。文章在分析和总结相关文献的基础上,介绍了正交频分复用(OFDM)技术的发展历史,讨论了正交频分复用技术的基本原理和实现方法。通过分析表明,在高速无线通信中OFDM对于消除符号间干扰(ISI),降低系统的复杂度等方面具有很大优势。正交频分复用(OFDM)是一种多载波宽带数字调制技术,它能有效地克服传输中的多径干扰和消除码间串扰,适合于高速率的地面信道视频传输。本文就OFDM技术进行了较为详尽的分析,并对OFDM的传输
grd_test
- xwch_test.m是主测试文件；biaoji.mat存放滤波器系数；xiangweicha.m用FFT计算相位差。 仿真框架为： 1.标记信号和双音信号续接作为发送信号； 2.对双音中一个频率分量的相位做偏移，再经过一个低通滤波器（引入线性相位，模拟收发不能同步测量现象）后，作为收到的信号； 3.用一个检测信号对收发信号进行相关运算； 4.画出收发信号以及相关处理后的信号。找出相关信号的那个尖点，从而推算出收发双音信号0相位点； 5. 输入0相位点位置，计算
ofdm-offset--synchronisation
- 一个ofdm的matlab程序，可以实现ofdm的频率同步和时间同步，可以运行，可以出图-a program of ofdm system in matlab,can execute the frequency synchronization and time synchronization,it can run
perfect-OFDM-MATLAB(
- 一个非常完整的ofdm程序。接收端采用的算法和程序流程与发送端发送的OFDM符号的帧结构有关系。包括具体的帧结构，以及定时估计，频偏估计，剩余误差跟踪的算法-Ofdm a very complete program. Receiver using the algorithm and program flow with the sender sends the frame structure of OFDM symbols are related. Including specific frame
MATLAB
- Code found for frequency shift keying
OFDM
- 这是一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT， 上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模 块，并统括系统性能的仿真验证了系统设计的可靠性。(This is a relatively complete OFDM communication system simulation design, including coding, modulation, IFFT, Up and down frequency conversion, Gaus
ofdm_system
- 采用QPSK调制，研究OFDM多普勒频移估计与补偿算法(Research on Doppler Frequency Shift Estimation and Compensation Algorithms for OFDM Using QPSK Modulation)
1doppler_satellite
- 基于低轨卫星的频偏估计算法，用matlab实现，估计精度较高(frequency offset estimation on satellite)