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- equivalent digital modulated signal source 等效数字调制信号源
- This paper proposed a digital modulation signal identification method using the HHT and SVM methods. 提出了一种基于HHT和支持向量机的实际数字调制信号识别算法。
- In automatic classification of digital modulation signal,computing envelope variance after difference has important meaning to distinguish PSK and FSK signal. 在数字信号的自动调制方式识别中,差分后求包络方差对于区分FSK、PSK信号具有十分重要的意义。
- The method of modulation recognition can discern many kinds of analogue and digital modulated signals such as AM ,FM , USB , LSB , VSB , DSB , AM-FM , 2ASK , 4ASK , 2FSK , 4FSK , 2PSK , 4PSK ,etc. . 该识别方法能够识别AM、FM、USB、LSB、VSB、DSB、AM-FM、2ASK、4ASK、2FSK、4FSK、2PSK、4PSK等多种模拟和数字调制信号。
- Differentiation of Analogue and Digital Modulated Signal Based on Nonlinear Transform 模拟与数字调制方式的非线性变换识别方法
- Carrier frequency estimation method for digitally modulated signal 一种适用于数字调制信号的载波频率估计方法
- With this method,eleven kinds of digital modulation signals,named 2ASK,4ASK,8ASK,2PSK,4PSK,8PSK,2FSK,4FSK,8FSK,16QAM and 64QAM,can be recognized with approving results when SNR is down to-5 dB. 仿真结果表明;所提出方法对信噪比SNR=-5~20 dB的2ASK、4ASK、8ASK、2PSK、4PSK、8PSK、2FSK、4FSK、8FSK、16QAM和64QAM 11种数字调制测试信号均可以较好地识别.
- Carrier Frequency Estimation Algorithms for Digital Modulated Signals 数字调制通信信号载波频率估计算法
- digital modulated signal 数字调制信号
- In this paper, it is suggested that modulated signal be demodulated by digital PLL. 并 结合实际应用提出了用数字锁相环进行调频信号解调的建议;
- When there is a modulated signal from transmitter, there are side bands. 只要在发射机中存在调制信号,就含有旁频带出现。
- A functional unit that converts a modulated signal into the original signal. 把已调制过的信号恢复为原始信号的一种功能部件,或叫操作装置。
- Interrelation between Analog Modulation Signal and Digital Modulation Signal on HFC Networks HFC网络中模拟调制信号与数字调制信号的相互影响
- A functional unit that converts a signal into a modulated signal suitable for transmission. 将信号转变成适合于传输的被调制信号的一种操作装置。
- The Accurate Calculation of Interference Noise Power in Colour Bar Brightness Signal of FM TV System Interfered by Digitally Modulated Signals 数字调制信号干扰调频电视系统彩条亮度信号的干扰噪声功率精确计算
- A novel method of identifying digitally modulated signals based on short-time analysis 基于短时分析的数字调制信号识别方法的研究
- The Time Domain Wave Form and Frequency Spectrum of Modulated Signal of uexp( tt/ Pw) Multiply by Carrier with Uniform Phase Noise. 单边递减波电压讯号乘上含有均匀相位杂讯载波之调变讯号时域波形及频谱。
- Good knowledge in RF, Digital TV and digital modulation techniques. 精通射频,数字电视和数字调制技术;
- In the picture above you can see a modulated signal driving the IR LED of the transmitter on the left side. 上面图片中你可以看到一个调制信号驱动红外发光二极管的发射器的左边。
- The Time Domain Wave Form and Frequency Spectrum of Modulated Signal of Rect(tt/Pw) Added by Uniform Noise. 方波电压讯号加上均匀杂讯乘以无杂讯载波之调变讯号时域波形及频谱。
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