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qpsk
摘 要:根据HFC网络上行信道的特性,建立了信道模型 分析了上行信道中存在的各种噪声对QPSK
调制技术的影响。结果表明在C /N (传输信道载噪比)较低的情况下,采用QPSK调制方式,可以提高系
统的抗干扰能力。
关键词: QPSK 光纤同轴电缆混合网 上行信道 噪声(Abstract: HFC network in accordance with the characteristics of the uplink channel, the establishment of a channel model an analysis of the various uplink channel noise on the impact of QPSK modulation. The results show that the C/N (transmission channel carrier-to-noise ratio) lower, the use of QPSK modulation, can improve the system of anti-interference ability. Keywords: QPSK hybrid fiber coaxial cable network uplink channel noise)
- 2009-04-12 15:45:03下载
- 积分：1
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MultiuserOFDM_0_1
说明： 多载波OFDM系统仿真，共有8个文件
capavsgamma.m
capavsusernum.m
chtry.m
rheesub.m
shenpowerallo.m
tdma_cap_cal.m
waterfilling.m
waterfillingPowerAllo.m(OFDM system simulation, a total of eight papers capavsgamma.m capavsusernum.m chtry.m rheesub.m shenpowerallo.m tdma_cap_cal.m waterfilling.m waterfillingPowerAllo.m)
- 2006-03-27 15:11:03下载
- 积分：1
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Wavelet-Decomposition-For-Images
main executing reference usage: observeWaveletDecompositionBenchmark_N_levels.m
The objective is to illustrate wavelet decomposition, and to describe how operations may be done in the wavelet domain before the reconstruction. The demo decouples the wavelet operations (transform, operation in wavelet domain, and reconstruction) from the plotting.
A PSNR and MSE describes the possible distortion (however minimal) of the forward and inverse wavelet transform.
* Caveat: The image display may be subjected to the selected target image. The objective is to provide a simple framework for the understanding of working with wavelets.
- 2011-01-20 07:08:22下载
- 积分：1
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jiapwpv
风力发电机和光伏电池对配网的影响研究潮流计算(Wind turbines and photovoltaic cells on the impact of distribution network load flow calculation)
- 2020-11-16 13:49:40下载
- 积分：1
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robot
机器人运动学和动力学模型，六自由度的，界面设计以及轨迹规划等功能(Robot kinematics and dynamics models, six degrees of freedom, interface design, and trajectory planning, etc.)
- 2013-09-02 15:53:43下载
- 积分：1
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matlabpca
基于PCA的故障检测 采用主元分析法 可以对其进行故障检测 生成ABC图(Based on PCA fault detection using principal component analysis method can generate the fault detection ABC figure)
- 2011-07-14 15:04:30下载
- 积分：1
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MATLABstudy
讲述了有关matlab的函数，是很有帮助的。(Tells about the matlab function is helpful.)
- 2010-11-04 21:25:59下载
- 积分：1
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onedimensional-photonic-crystal-
采用传输矩阵法，用matlab编程计算的一维光子晶体的能带结构，方法简单，速度快，同时可计算透射系数(Using transfer matrix method, calculated with matlab programming one-dimensional photonic crystal band structure, the method is simple, fast, and calculate the transmission coefficient)
- 2020-12-11 20:19:19下载
- 积分：1
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Matlab
Herewith i attached the files for contingency, bus impedance matrix,short circuit fault current and swing curve
- 2012-01-30 14:23:12下载
- 积分：1
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ED_GA
Economic Dispatch for generating power system with Genetic Algorithm
- 2013-03-13 00:38:34下载
- 积分：1
