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Here a modulation recognition algorithm is proposed which can be used to identify 7 kinds of analog modulations such as AM, DSB, USB, LSB, CW, FM, AM-FM and 7 kinds of digital modulations such as 2ASK, 4ASK, 2FSK, 4FSK, 2PSK, 4PSK, 16QAM. 本文提出了一种信号调制模式识别算法，能同时识别7种模拟调制信号(AM、DSB、USB、LSB、CW、FM、AM-FM信号)和7种数字调制信号(2ASK、4ASK、2FSK、4FSK、2PSK、4PSK、16QAM信号)。
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。
Modified automatic digital modulation recognition algorithm 一种改进的数字信号自动识别方法
Hierarchical digital modulation recognition using support vector machines 基于支持向量机的分级调制识别方法
Automatic Digital Modulation Recognition Algorithm of Communication Signals 通信信号数字调制方式自动识别算法研究
A Method for Digital Modulation Recognition Based on Cyclic Variance of Normalized-Centered Absolute Value 基于循环零中心归一化绝对值方差的数字信号调制识别
Automatic Digital Modulation Recognition Based on OLS Radial Basis Function Neural Network 基于OLS的径向基函数神经网络实现多种数字信号调制方式自动识别
Automatic Digital Modulation Recognition Using Moving Average and Higher Statistics 基于滑动平均和高阶统计量的数字调制识别
digital modulation recognition 数字调制识别
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;
QPSK as an advanced digital modulation technique is fit for the digital satellite communication system well. QPSK作为一种先进的数字调制方式,特别适用于数字卫星通信系统。
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。
With the high development of VLSI technology,all digital modulation must be ultimately the goal of HDTV. 随着VLSI技术的高速发展，全数字化调制将是HDTV的最终发展方向。
We indicate a signal modulation recognition method based on pattern recognition theory. It can effectively recognise many modulation types, including AM, ASK, FM, FSK, PSK and so on, on the condition SNR>5db. 论文中主要介绍了一种基于模式识别理论的信号调制类型识别方法,能够在SNR>5db 的情况下,对AM、ASK、FM、FSK、PSK 等多种调制类型进行有效识别。
It does not need the prior knowledge,overcomes the problem of undetected information of haar wavelet transform method and increase the applicability of the method of automatic modulation recognition based on wavelet transform. 验证该方法较现有文献利用Haar小波变换识别信号方法具有更好的性能,而且克服了现有文献采用Haar小波变换识别调制信号的漏检问题,提高了运算速度和性能,并有效增加了小波变换识别调制信号方法的适用性。
By means of computer simulations and the theories analysis,the features of ASK,FSK and PSK are extracted. At the end,a modulation recognition algorithm and the results of computer simulations are given. 本文把Gabor变换引入到了数字通信信号调制盲识别领域,对ASK、FSK和PSK信号的Gabor变换域特征进行了理论分析和软件仿真,最后给出了识别算法和仿真结果。
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。
Namely, we use digital modulation to control the shooting-system, which can send out a series of light pulses loading information. 即采用数字脉冲编码方式对控制系统信号进行调制，将信息加载在光脉冲序列上发射出去。
Orthognal Frequency Division Multiplexing (OFDM) is a multi-carrier digital modulation technique for broad-band wireless communication. 正交频分复用(OFDM)是一种多载波数字调制技术。
As an effective digital modulation scheme, OFDM is widely used in wideband digital communication systems, such as DVB-T. OFDM是一种高效的数据调制方式，被广泛地应用于宽带数字通信领域。