搜索资源列表
R_qfsk_feature
- qfsk瞬时幅度,瞬时相位,瞬时频率,qfsk瞬时幅度,瞬时相位,瞬时频率-qfsk instantaneous amplitude, instantaneous phase, instantaneous frequency, qfsk instantaneous amplitude, instantaneous phase, instantaneous frequency
identify
- 通信信号的调制信息包含在信号的瞬时幅度、相位、频率的变化之中,不同的信号其频谱也呈现不同的特征,通过提取瞬时幅度、相位、频率以及频谱的参数统计特征,可以识别不同的通信信号。通常是利用对瞬时幅度、瞬时相位,瞬时频率和信号功率谱进行某种变换而得到可以明显区分各种信号的特征参数。-Communication signal modulation information is contained in the signal instantaneous amplitude, phase, frequency
tiaozhi_shibie
- 调制识别的传统算法, 零中心归一化瞬时幅度的谱密度的最大值 零中心归一化瞬时幅度绝对值得标准偏差 零中心非弱信号段瞬时相位非线性分量绝对值的标准偏差 零中心非弱信号段瞬时相位非线性分量的标准偏差 零中心归一化非弱信号段瞬时频率绝对值得标准偏差-Traditional modulation recognition algorithm, the zero center owned by an instantaneous amplitude of the spectral dens
Frank_signal_QPSK
- 产生脉内Frank相位编码调制信号,并对其进行平方、四次方变换,利用四次方FFT结果为单频信号的特点完成调制识别,最后绘图观察其瞬时相位曲线。-Generating pulse code modulation signal within Frank polyphase, and its square, four square transformed by FFT results for the fourth power single-frequency signal modulation cha