当这些标签暴露在无线电信号下时，它们将利用信号的能量发回其所包含的信息，这些信息大部分是用于识别物品的一长串数字。
When exposed to a radio signal, they use its energy to send back the information they contain, mostly a long number identifying an object.
实验结果表明，该调制识别方法在小样本下具有较高的识别率，可以应用在数字信号的调制识别系统中。
The experiment results justify the high recognition rate with less samples, thus the method can be used in the digital signal modulation recognition system.
本文提出了采用单片机和数字滤波技术对一种港口双曲线无线电导航系统的相位信号进行滤波处理和巷识别的方案。
Scheme is proposed of using a computer on sline and digital filtering technique to perform digital filtering and lane identification of the phase signals of a port radio navigation system.
从有线数字电视射频信号特征参数提取着手，建立了一套识别16QAM和64 QAM射频信号调制方式的数学算法。
Based on the characteristic extracting of RF signal in digital cable TV system, this paper puts forward an algorithm for modulation recognition between 16qam and 64qam RF signals.
数字调制方式的识别对于通信信号分析有着重要的作用。
Identification of digital modulation schemes plays an important role in signal analysis.
理论上详细介绍了HMM模型及与语音识别相关的语音数字信号处理。
This paper also introduces HMM model and speech digital signal processing associated with speech recognition .
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。
This paper proposed a digital modulation signal identification method using the HHT and SVM methods.
本文设计了一种可便携使用的基于数字信号处理器(dsp)的嵌入式虹膜识别系统。
This paper designs a portable embedded iris recognition system based on digital signal processor (DSP).
通过优化支持向量机算法，将它嵌入到激光成像雷达系统的数字信号处理器(DSP)芯片内，实现目标识别的功能，有很高的现实意义。
Through optimizing the algorithm of SVM, it is embedded into digital signal processing (DSP) of laser imaging radar, achieving the function of target recognition, which has high pract.
最后总结了对变电站内信号灯状态、指针表、数字表和环境等的识别方法。
Finally the identification methods of the signal state, pointer table, the table and the environment in substation are summed up.
本文提出了采用单片机和数字滤波技术对一种港口双曲线无线电导航系统的相位信号进行滤波处理和巷识别的方案。
A Scheme is proposed of using a computer on sline and digital filtering technique to perform digital filtering and lane identification of the phase signals of a port radio navigation system.
结合数字图像和信号处理技术，提出了一种基于纱线图像的扭结分布特征的自动识别方法。
A computerized characterization method for the yarn snarling distribution was proposed by applying the digital image and signal processing techniques to the actual yarn snarling images.
其优越的性能特点包括：内置专门的数字信号处理器，识别速度快、效率高，操作方便，使用简单。
The system has exclusive advantage, such as, it has inner-placed digital signal processor, and it is quick in identification, high in working efficiency, easy and simple in operation.
HSI 29800型系列能够识别所有已知的模拟和数字ARINC标准化信号和语言，它通过内置电子转换处理不同的公式。
The HSI 29800 Type series recognizes all known ANALOG and DIGITAL ARINC standardized signals and languages. It processed the different formats built in electronic switching.
数字化传输命令：该命令对由DIS信号识别的功能进行响应。
Digital Transmit command. The command response to the capabilities identified by the DIS signal.
若要对模拟电视信号启用播放，卫星电视接收器需要将数字信号转换为标准电视可以识别和播放的模拟格式。
To enable playback on an analog TV signal, the satellite TV receiver converts the digital signal into an analog format that a standard television can recognize and playback.
针对衰落信道中广泛存在的多普勒频移现象，本文提出了一种MPSK信号数字化识别解调的方法。
A new method for digital identification and demodulation of MPSK signals is presented under the condition of the Doppler frequency shift of channel attenuation.
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。
Automatic identification of the digital modulation type of a signal has found applications in many areas, including electronic warfare, surveillance and threat analysis.
该方案利用数字混合信号与常用数字调制信号在信号频谱以及星座点的差异提取特征参数进行自动识别。
In the scheme, a set of feature parameters are extracted from signal spectrum and constellation based on the differences between digital mixed signals and common digital modulation signals.
该方法能准确识别出指针式仪表示数，有利于信号采集进数字计算机系统，基本能实现在线测试。
The method can recognize the readings, which make it easy for the signals to be collected into computer system, and can realize on-line recognition.
介绍一种基于数字信号处理和数字滤波技术识别轨道绝缘节点的方法，用于LKJ2000型列车运行监控记录装置校正计算距离。
This paper presents a method to identify the railway insulation nodes for LKJ2000 train running monitor and record device to modify the calculated control distance.
介绍了通过数字中频技术提取雷达信号脉内特征，并根据脉内特征参数对雷达信号调制形式进行识别。
The in-pulse features of radar signals are extracted by the digital IF technology, and the modulation forms of radar signals are identified according to the in-pulse feature parameters.
系统包括话机按键双音频信号识别、圆轮廓形状误差谐波分析、数字音频效果及原理性演示实验等。
The system includes the dual-tone multifrequency signal detection module, the musical sound processing module, the harmonical analysis module of circularity and many other demonstration modules.
提出了完整的数字通信信号的调制方式识别算法，该算法具有识别类型多，正确识别率高的特点。
An MC algorithm for digital modulated signals is proposed, with a wide recognition range and a high classification probability.
而数字接收机则可以有效避免这类问题，它可以保留信号的全部信息，采用数字信号处理器对输入信号进行特征提取，分选和识别。
The digital receiver can avoid above problems effectively. It can keep all characters of signals and realize the signal feature extraction, separation and recognition with digital signal processors.
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。
Studied the modulation identification problem of digital modulated signals, successfully identified 2ask, 2fsk, 2psk, 4ask and 4fsk signals.
其中，数字信号处理技术与数字图像处理技术是实现基于多目标识别的自动乘客计数技术的前提与基础，多目标检测与跟踪计数算法是技术实现与应用的核心。
Technologies of digital signal processing and digital image processing are the basis of APC, and multi-objects detecting and tracking algorithm is the essential factor to implement it.
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.
针对数字信号调制模式识别问题，提出了运用高阶累积量和二叉树支持向量机(SVM)进行自动识别的算法。
Applying high order cumulants and support vector machines (SVM), an algorithm is proposed for automatic recognition of digital communication signals.
其主要目的是对中频输入脉冲信号进行数字化处理，提取信号的细微特征，从而达到识别敌我目的。
The main purpose is digital processing of the input intermediate frequency pulse signals, drawing the detail characters of the pulse signals, so that distinguishing me from enemy.
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