Here we analyzed the quality property, modulation manner and identification of various kind of transmitter with several practical application cases.
分析各类光发射机的鉴别、调制方式和质量指标特性，并举出实际应用事例。
The objective of automatic modulation identification is to decide the modulation type and estimate the modulation parameters without any priori knowledge about signal contents.
自动调制识别的目的就是在未知调制信息内容的前提下，判断出通信信号的调制方式，并估计出相应的调制参数。
The objective of automatic modulation identification is to decide the modulation type and estimate the modulation parameters without any priori knowledge about the signal information content.
自动调制识别的目的就是在未知调制信息内容的前提下，判断出通信信号的调制方式，并估计出相应的调制参数。
Thus, the basic important step of modulation identification is how to specify and extract signal features.
所以，如何选定并提取信号的特征便成为调制识别的基本环节。
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。
Modulation identification has important applications in communication surveillance and countermeasure.
调制识别在通信侦察和通信对抗中有着重要应用。
The basic tasks of radio signals modulation identification are analysis, decision and classification of modulation type for intercepted unknown signals.
无线电信号调制识别的基本任务就是对所截获的不明信号的通带调制种类进行分析、判决和归类。
A new method of modulation identification for communication signals, using wavelet transform to extract characteristics and based on support vector machines (SVM), is proposed.
提出了一种应用小波变换提取分类特征的基于支撑矢量机的通信信号调制识别方法。
Studied the modulation identification problem of digital modulated signals, successfully identified 2ask, 2fsk, 2psk, 4ask and 4fsk signals.
深入研究了数字调制信号的调制制式的识别问题，成功识别了2ask、2fsk、2psk、4ask和4fsk五种数字调制信号。
Radar signal modulation identification and parameter estimation are the important steps of radar reconnaissance and confrontation.
雷达信号调制识别和参数估计是雷达侦察与对抗的重要研究课题。
The objective of automatic modulation identification is to decide the modulation type and estimate the modulation parameters without any prior knowledge about the signal information content.
自动调制识别的目的就是在未知调制信息内容的前提下，判断出通信信号的调制方式，并估计出相应的调制参数。
Automatic identification of the digital modulation type of a signal has found applications in many areas, including electronic warfare, surveillance and threat analysis.
的数字信号调制类型的自动识别已应用在许多领域，包括电子战，监视和威胁分析。
The approach is to use short-time analysis to extract the characteristics of time-varying amplitude, frequency and phase in a digital modulation signal, and applies them for simple identification.
该方法用短时分析提取数字调制信号在幅度、频率和相位随时间变化的特征，并利用这些特征对各种数字调制信号进行识别。
The technical project of adaptive radio fuze jamming is designed and the signal modulation identification technique of radio fuze is analyzed.
根据无线电引信的工作特点，提出了可重构自适应无线电引信干扰技术。
The technical project of adaptive radio fuze jamming is designed and the signal modulation identification technique of radio fuze is analyzed.
根据无线电引信的工作特点，提出了可重构自适应无线电引信干扰技术。
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