The core problem of this thesis is to study the different acoustic signal identification methods.
本论文的核心就是研究不同地声目标识别方法。
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 this paper, the techniques of the OFDM signal identification and adaptive OFDM scheme are studied.
本文主要研究了OFDM信号识别和OF D M自适应调制技术。
This research provides an effective method for the pulse signal identification and diagnosis on disease.
此研究为病症脉象识别和辅助诊断疾病提供了一种有效的方法。
A Surface EMG signal identification method based on short time Fourier transform is presented in this paper.
基于短时傅里叶变换形成的三维谱图，采用数字图像处理的方法提取信号的特征。
The extract of radar signal feature is the important part of radar signal identification, which affects directly identification effect.
雷达信号特征提取是雷达信号识别中的重要组成部分，直接影响到识别效果的好坏。
The algorithm principle is based on the input-output signal "s time delay distinction time window as the key parameter, and the detailed signal identification algorithm."
算法以引脚间输入与输出信号之间的延时——判别时间窗作为识别的重要参数，设计了详细的信号识别算法。
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。
If a special tag-reader is waved near the arm, a radio signal prompts the chip to transmit an identification number which is used to call up information about the wearer in a computer database.
当专用标记阅读器在手臂附近晃动，无线电信号就会激活微芯片传送识别码，从而调出电脑数据库中该客户信息。
The identification of modal parameters of a vibration system by means of random response and free response signal is discussed.
本文讨论利用振动系统的随机响应和自由响应信号识别系统模态参数问题。
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。
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。
The classification and identification of communication signal is a typical statistical pattern identification.
通信信号的分类识别是一种典型的统计模式识别问题。
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。
The blind inverse identification arithmetic is proposed firstly, and then the input source signal is restored by the deconvolution method using the identified system model.
首先提出了一种解决盲辨识问题的算法，然后利用辨识得到的系统模型对源输入信号进行反卷积恢复。
Ocean Leo: Helicopter. This is M/V Ocean Leo. I am now making identification signal, over.
直升机： “海洋里奥”船，这是直升机。请通过向我打信号灯以识别你船。请讲。
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。
Flow regime identification in horizontal gas- liquid two- phase flow using differential pressure signal is investigated in this paper.
本文利用差压波动信号对水平管气液两相流流型辨识问题进行了研究。
In identification experiment of ShiSanling pumped storage power station, reliable results has been achieved by using step disturbance of given power signal.
在十三陵抽水蓄能电站辨识试验中，使用给定功率阶跃扰动信号进行辨识，取得了满意的辨识结果。
Signal sorting and identification in ELINT is an important topic in the domain of ECM, the research on which is significant in theory and practice.
雷达情报侦察信号分析和识别是雷达对抗领域里的一个重要课题，对其展开研究，具有重要的理论意义和实用价值。
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 fault diagnosis system of the locomotive electric transmission circuit described above is an application system, which include of signal sampling, data transmission and fault identification.
本文研究、设计的机车电传动电路故障诊断系统是一个集信号采集、数据传输和故障识别为一体的应用系统。
Aim To extract harmonic frequencies of helicopter acoustic signal as features for helicopter identification.
目的提取直升机声信号谐波频率作为特征用以识别直升机。
During underwater signal processing, parameter estimation and target identification are two kinds of important problems.
在水下信号处理中，参数估计和目标识别是两类非常重要的问题。
The apoplast is of essential significance in cell communication and identification; the apoplast signal molecules, too, plays an important role in the growth and development of plant cells.
质外体在细胞间的通讯及识别上有重要意义，质外体信号分子对植物细胞的生长发育也起着非常重要的作用。
Two main issues were investigated: a) the identification time for road input condition; b) the selection of reference signal on which the control gain are tuned.
主要对路面输入变化的估计时间和用以决定控制增益变化的系统输出信号的选择进行了研究。
In order to track the desired signal in stable, the sorting and identification processor should be built in the seeker.
为了能稳定地跟踪上特定的雷达信号，必须在导引头中有分选和识别处理器。
Direction finding is an important component of Electronic Warfare (EW) system. The direction finding precision may directly affect signal sorting, identification, location and jamming decision etc.
测向是电子战系统的一个重要组成部分，测向精度直接对信号分选、识别、定位、干扰决策等都产生较大的影响。
The structure and principle of the diagnosing device for turbine governing system are briefly described, such as systematic excitation, signal detection, parametric identification, etc.
文中概要地介绍了调速系统性能诊断装置的系统激励、信号检测、参数辨识等硬软件结构与原理。
The structure and principle of the diagnosing device for turbine governing system are briefly described, such as systematic excitation, signal detection, parametric identification, etc.
文中概要地介绍了调速系统性能诊断装置的系统激励、信号检测、参数辨识等硬软件结构与原理。
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