Signal modulation identification is one of the important elements most in adaptive transmission.
调制识别是非协作通信系统接收机设计中的重要研究课题。
Several SVM classifiers are used to make a multi-classes classifier for modulation identification.
使用多个支撑矢量机分类器构成一个多类分类器用于多类信号的调制识别。
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。
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。
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 automatic modulation identification for communication signals is a still important problem in the intercepted signal processing.
通信信号的自动调制识别在截获信号处理方面是一个十分重要的课题。
A new modulation identification algorithm based on the improved outer-product decomposition method was proposed for multi-path channels.
针对多径环境下的调制识别问题，提出了一种基于改进的外积分解信道盲辨识算法的调制识别新算法。
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。
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 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。
This dissertation performed the following work based on the research before: (1) We studied the modulation identification problem of analogue modulated signals.
本文在前人的研究基础上主要做了如下工作：(1)研究了模拟调制信号的识别方法。
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。
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。
In pulse modulation identification is one of radar reconnaissance key technology. Especially, in pulse modulation identification under low SNR is a hot point of recent researching.
脉内调制类型识别是雷达侦察的关键技术之一，特别是低信噪比下的脉内调制识别技术是当前研究的热点。
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。
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。
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。
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。
Automatic identification of the modulation type of a signal has found applications in many areas, especially important for military software radio interception receiver.
自动调制方式识别应用范围广泛，对于军用软件无线电侦察接收机更具有十分重要的意义。
The design scheme of a RFID (Radio Frequency Identification)System is given in this paper. The backscatter modulation technique is used to transmit the data to the reader from a tag.
文中给出射频识别系统的设计方案，系统采用反向散射调制技术完成从电子标签到读写器的数据传输。
Identification of digital modulation schemes plays an important role in signal analysis.
数字调制方式的识别对于通信信号分析有着重要的作用。
The automatic identification of the modulation types has been applied to many fields such as signal identification, interference identification, radio interception, signal monitoring, etc.
通信信号调制类型的自动识别广泛应用于信号确认、干扰识别、无线电侦听和信号监测等领域。
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。
A new lithology identification method based on axial amplitude modulation signal of drill string is proposed.
提出了一种利用钻柱轴向振动调幅信号实现岩性识别的方法。
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 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。
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