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- 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
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
27796683Rayleigh.Doppler.matlabcode
- 跳频扩频通信系统仿真-Frequency Hopping Spread Spectrum Communication System Simulation
wcdmathesis
- In this thesis a signal level simulator in uplink is implemented according to the physical layer specification of the IMT-2000 WCDMA system. The analytical WCDMA system through the use of linear algebra techniques is shown. Channel model is built on
mimo_simulator
- This examples corresponds to a 2x2 system with parallel linear arrays, where the mobile moves aways from the base station, with a constant speed such that the Maximum Doppler frequency is 5 Hz. The element spacings at the base station and mobile a
junheng
- 在移动数据通信系统信号经传播媒介到达接收端会发生畸变，现行的通信系统普遍采用 自适应均衡技术来克服ISI和多普勒扩展。自适应均衡技术需要重复发送已知的训练序列直至 有效均衡为止I。“盲均衡(Blind Equalization，BE)111”技术仅利用接收序列本身的相关性便可 均衡信道特性。-Signal in the mobile data communication systems to reach the receiver via the mass media distorti
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- Effect of Doppler spread in OFDM-based UWB systems
doppler
- its a simple matlab simulation for doppler spread
POLYNOMIAL-CANCELLATION-CODING-OF-OFDM
- POLYNOMIAL CANCELLATION CODING OF OFDM TO REDUCE INTERCARRIER INTERFERENCE DUE TO DOPPLER SPREAD
Rapid-Acquisition-of-Doppler-Shift-
- 本文提出了一种适用于低轨卫异扩频通信系统的多普勒频移快捕方法.该方法基于数字匹配滤波器及自动频率控制环路_利用数字匹配滤波器的囚码快捕特性及其输出主相关峰值对频偏的敏感性，缩短多普勒频移的 捕获时间.论文首先推导了多普勒频移的平均捕获时间表达式，然后根据数值分析结果得到了准最佳捕获判决策略，最后通过比较验证了该快捕方法相对于传统串行捕获方法在性能上的提高. -This paper presents a low-orbit health for different spread spect
Doppler-spread-flat-fading-channel
- 基于多普勒扩展的平坦衰落信道仿真由matlab给予仿真 结果为2个图-The simulation based on Doppler spread flat fading channel
Doppler-spread-estimation-
- 这是一篇有关多普勒频移估计问题的文章，主要是在高速移动环境下，很容易产生多普勒频移，为了消除干扰，必须得到确切的多普勒品议大小，从而采用合适的方法消除-This is an article about the Doppler shift estimation articles, mainly in the high-speed mobile environment, it is prone to Doppler shift, in order to eliminate the interfere
yucek_sarnoff05_ieee---Copy
- doppler spread effects on communication
EBPSK_LFM
- 对EBPSK(Extended binary phase shift keying)调制雷达系统的特点，本文将其与传统的LFM(Linear frequency modulation)雷达系统进行综合性能比较。-he overall performances of EBPSK(Extended binary phase shift keying) modulation and LFM(Linear frequency modulation) radar systems are compared.
jakes
- 在有多普勒扩展的情况下，产生一个FIR滤波器。-Generates a FIR Jakes filter for a given Doppler spread
ELEC_6141_FINAL_PROJECT
- Considered a 16QAM communication system. The information rate is 2 Mb/s and the carrier frequency is 12 GHz. Assumed perfect synchronization. a) Simulated the system if the channel is AWGN and draw bit error rate of the system versus Eb/No. Com
PAPER1
- Doppler spread estimation for mobile OFDM systems in Rayleigh fading channels
PAPER2
- Doppler Spread Estimation for NonRayleigh
fish2013
- Paper related to Doppler shift
Doppler
- Estimate maximum Doppler spread