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0下载：
802.11a WLAN PHY
There are *three* versions of the 802.11a physical layer model:
R13/IEEE80211a.mdl:
Requires R13 (MATLAB 6.5) and Stateflow (for adaptive modulation control)
R13/IEEE80211a_NoSF.mdl:
Requires R13 (MATLAB 6.5), but
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ldpc码的经典程序,针对ldpc自适应调制的码率变换-ldpc code classical procedures against ldpc adaptive modulation rate of transformation
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This project demonstrates OFDM with adaptive modulation applied to Multiple-Input Multiple-
Output (MIMO) systems.
The analysis and simulation
is considered in two stages. The rst stage involves the application of a variable-rate
variable
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《基于平均功率受限和有约束条件注水原理的MIMO联合自适应调制和功率分配算法的主要源代码》," Based on the average power is limited and bound by the conditions of injection of the principle of joint MIMO adaptive modulation and power allocation algorithm is the main source code"
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一种自适应chirplet分解的快速算法
针对信号自适应chirplet分解未知参数多、实现起来比较困难的特点，文献[1]提出了一种新的chirplet分解快速算法。该算法利用计算信号的二次相位函数，得到其能量分布集中于信号的调频率曲线上的结论，此时通过谱峰检测可同时获得chirplet调频率、时间中心和幅度的估计；然后通过解线性调频技术获得其初始频率和宽度的估计，仿真结果验证了本文算法的有效性。
-Chirplet an adaptive decomposition al
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用Matlab实现自适应增量调制及线性增量调制，并进行对比，有详细的注释及编程说明、结果分析-Matlab implementation using adaptive delta modulation and linear delta modulation, and contrast, there is a detailed descr iption of the Notes and programming, the results of analysis
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基于自适应调制编码的OFDM系统的研究文章-Adaptive Modulation and Coding for OFDM Systems
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802.11a wlan物理层仿真，里面有三个物理模型，均用MATLAB编写-802.11a WLAN PHY
There are*three* versions of the 802.11a physical layer model:
R13/IEEE80211a.mdl:
Requires R13 (MATLAB ) and Stateflow (for adaptive modulation control)
R13/IEEE80211a_NoSF.md
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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
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IEEE802.11a WLAN physical layer model,with demonstration of adaptive modulation and coding
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多载波天线下的自适应调制，很好的体现了系统的性能，可以做为源文件-Under the adaptive antenna multi-carrier modulation, well reflects the performance of the system can serve as a source file
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摘要本文首先分析了自适应调制的原理, 它以频谱效率最高为准则, 在恒定功率约束条件下对接收信噪
比优化来选择不同调制阶数。然后引入时变多径信道模型, 通过仿真给出了自适应在此信道条件下的性能, 并分析
了信道估计误差对其性能的影响。
关键词自适应调制, 调制, 时变信道-Abstract This paper first analyzes the principle of adaptive modulation, spectral efficiency it up to standa
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OFDM系统的自适应调制仿真分析 -OFDM Adaptive Modulation OFDM System Simulation and Analysis Simulation of Adaptive Modulation
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AF协作分集信道与M-QAM自适应调制技术的系统频谱效率分析-AF cooperative diversity channels with M-QAM adaptive modulation spectral efficiency of the system
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Inter-symbol interference if not taken care off may
cause severe error at the receiver and the detection of signal becomes
difficult. An adaptive equalizer employing Recursive Least Squares
algorithm can be a good compensation for the ISI probl
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matlab 举例应用，里面含有对遗传算法的代码
-matlab example application, which contains the code of genetic algorithm
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the OFDM PHY is adaptive therefore it supports
multiple schemes BPSK, QPSK, 16-QAM and 64-QAM for
data carriers’ modulation. The constellation diagrams are
gray mapped and shows the magnitudes I and Q (In-phase
and Quadrature) components of e
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IEEE 802.11a WLAN physical layer model, with demonstration of adaptive modulation and coding
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Adaptive equalization教程-Adaptive equalizers compensate for signal distortion
attributed to intersymbol interference (ISI), which is
caused by multipath within time-dispersive channels.
Typically employed in high-speed communication
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研究了自适应参数谱估计的基本原理，提出了基于最小均方误差(MMSE)准则的LMS格型滤波算法实
现自适应参数谱估计的方法。通过对仿真测试信号和线性调频信号的计算表明，该方法能够在改善谱分辨率的
同时提高运算效率，满足遥测速变信号的处理和分析计算的要求-This paper discusses the principle of adaptive parametric spectrum estimation．It provides an approach to es—
timate po
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