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PERFORMANCE ANALYSIS OF OFDM
Orthogonal Frequency-Division Multiplexing (OFDM) — essentially identical to Coded OFDM
(COFDM) — is a digital multi-carrier modulation scheme, which uses a large number of closely-spaced
orthogonal sub-carriers. Ea
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这个程序讲得主要是有关单载波频域均衡的,对他进行了分析,采用的是MMSE均衡-This program speaks mainly about the single-carrier frequency domain equalization, and for his analysis, using the MMSE equalizer
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关于ADI公司的DDS——AD9858的测试程序,可以产生单载频信号。-About ADI' s DDS- AD9858 testing procedures, can produce a single carrier frequency signal.
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装置中阅读器、应答器均有无线传输汉字的功能,载波频率≤5MHz,调制方式任选。不得使用现有射频识别卡或用于识别的专用芯片。装置中的耦合线圈为圆形空芯线圈,用直径不大于1mm的漆包线或有绝缘外皮的导线密绕10圈制成。线圈直径为6.6±0.5cm(可用直径6.6 cm左右的易拉罐作为骨架,绕好取下,用绝缘胶带固定即可)。线圈间的介质为空气。两个耦合线圈最接近部分的间距定义为D。
阅读器、应答器只能使用耦合线圈耦合,不得使用其他耦合方式。
阅读器采用外接单电源供电,具有通过无线方式实现“写”与
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单星测频无源定位法,采用单星测频实现无源定位的方法-Single satellite carrier frequency passive location method
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单载波频域均衡 MMSE psk调制 matlab环境-Single-carrier frequency domain equalization MMSE psk modulation matlab environment
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单载频雷达信号在欠采样条件下产生频谱混叠,用MATLAB仿真验证的结果-Subsampling conditions of single carrier frequency radar signal spectrum aliasing, using MATLAB simulation results
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求解加噪信号的范数熵,本程序是选取单载频信号求解其范数熵-Solving the norm of the signal plus noise entropy, the procedure is to select a single carrier frequency signal solving its norm entropy
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大作业4:信号的分数倍转换
本次作业每组有两个音频文件:music-28.wav和music-50.wav。
music-28.wav表明采样频率为28kHz采样(单声道,16位)的音乐文件,music-50.wav表明采样频率为50kHz采样(单声道,16位)的音乐文件,每个文件都加有单载波干扰。要求将这两个文件分别读出,将采样频率转换为16kHz,然后通过声卡播出。注意,声音不能失真不能含有单载波干扰。
-Great Job 4: scores of times signal c
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单载波和光OFDM信号调试400M带宽5G信号,载频可变,采样率50G-Single-carrier and the bandwidth of the optical OFDM signal debugging 400M 5G signal carrier frequency variable sampling rate 50G
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该文件给出了单载波频域均衡中MMSE均衡方法的MATLAB实现,其中包含调制解调,交织,解交织以及编译码,包含了整个通信系统的各部分,希望对大家有帮助。-The document gives the MATLAB single-carrier frequency domain equalization MMSE equalization method, which contains modulation and demodulation, interleaving, de-interleavin
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包括单边带、双边带、载波抑制及四倍频,分析了该信号的时域、频域、倒谱,循环谱等,数值分析的EULER法。- Including single sideband, double sideband, suppressed carrier and quadruple, Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. EULER numerical analysis method.
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外文资料里面的源代码,包括单边带、双边带、载波抑制及四倍频,用于时频分析算法。- Foreign materials inside the source code, Including single sideband, double sideband, suppressed carrier and quadruple, For time-frequency analysis algorithm.
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用于时频分析算法,包括四元数的各种计算,包括单边带、双边带、载波抑制及四倍频。- For time-frequency analysis algorithm, Including quaternion various calculations, Including single sideband, double sideband, suppressed carrier and quadruple.
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gmcalab 快速广义的形态分量分析,包括单边带、双边带、载波抑制及四倍频,FMCW调频连续波雷达的测距测角。- gmcalab fast generalized form component analysis, Including single sideband, double sideband, suppressed carrier and quadruple, FMCW frequency modulated continuous wave radar range and angular
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包括单边带、双边带、载波抑制及四倍频,这是一个好用的频偏估计算法的matlab仿真程序,有较好的参考价值。- Including single sideband, double sideband, suppressed carrier and quadruple, This is a useful frequency estimation algorithm matlab simulation program, There are good reference value.
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包括单边带、双边带、载波抑制及四倍频,esprit算法对有干扰的信号频率进行估计,基于欧几里得距离的聚类分析。- Including single sideband, double sideband, suppressed carrier and quadruple, esprit algorithm signal frequency interference can be assessed Clustering analysis based on Euclidean distance.
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包括单边带、双边带、载波抑制及四倍频,是机器学习的例程,详细画出了时域和频域的相关图。- Including single sideband, double sideband, suppressed carrier and quadruple, Machine learning routines, Correlation diagram shown in detail the time domain and frequency domain.
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仿真线性调频连续波雷达的信号处理,设线性调频带宽为22MHz,时宽为200us ,雷达载频为10GHz,输入噪声为高斯白噪声。目标模拟分单目标和双目标两种情况。(Simulation of linear frequency modulation continuous wave radar signal processing, linear frequency modulation of 22 MHZ bandwidth, wide for 200 us, radar carrier freque
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环路滤波器是通信信号调制解调中最重要的一个部分,环路滤波器设计的好坏将直接影响到接收机的性能指标,二阶锁频辅助三阶锁相环路滤波器可以稳定跟踪具有加加速度的信号源,是现代通信中非常实用的技术,本文中详细编写了单载波信号产生模块、信道噪声模块、数字正交下变频模块、鉴频鉴相模块、环路滤波器模块,并包含了完整的testbench模块,对于初学者非常有用。(Loop filter is the most important part of communication signal modulation a
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