给出了利用信号星座图的QAM信号调制方式识别技术。
The modulation recognition technique of QAM signal by the constellation diagram is given in this paper.
LF M信号和MPSK信号调制参数估计进行了研究。
The modulation parameter estimation of LFM signal and MPSK signal was studied.
用数值方法研究了双稳随机动力系统的信号调制噪声效应。
We study numerically the effect of signal modulating noise in bistable stochastic dynamical systems.
本文研究了基于BP神经网络的通信信号调制体制识别技术。
The modulation recognition technology for communication signals based on BP neural networks is studied.
实验结果表明，该技术拥有较好的通信信号调制体制识别性能。
Experiment result shows that these technologies have better performances for automatic modulation recognition of communication signals.
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。
Radar signal modulation identification and parameter estimation are the important steps of radar reconnaissance and confrontation.
文中对小信号调制下单量子阱激光器的啁啾特性进行了研究和分析。
In this paper, the chirping characteristics of quantum well laser diodes under small signal modulation are studied.
论文设计了移动大气激光通信系统中的光信号调制解调的实现方案。
Optical modulation and demodulation implementation scheme in mobile atmospheric laser communication system are designed.
信号调制电路通过对传感器系统的激光光源进行调制来调制荧光信号。
The laser source was modulated by the modulation circuit, so that the fluorescence signal was modulated.
对传感器信号处理电路，信号调制变换和信号放大电路进行了详细设计。
In transducer circuit, the modulating and signal magnifying circuit is designed in detail.
本文对BPS K信号调制格式下的香农限进行了理论分析和数值求解。
This paper gives the Shannon limit analysis and numerical results while the modulation is BPSK.
在超长距离传输时，信号调制格式是可提高系统传输性能的一项关键技术。
Modulation format of signal has become a key technique to enhance the transmission capability of system in the long-distance system.
先进的信号调制格式将提高系统的色散、非线性容限，延长系统传输距离。
Advanced formats will enhance the limitation of dispersion and nonlinearity, and prolong the transmission distance.
速度欺骗干扰因信号调制较为复杂，难以用统计特征提取方法来实现抗干扰。
The signal modulation of velocity deception jamming is complex, and it is hard to complement anti jamming using the statistical feature extraction method.
在军事领域，通信信号调制方式的识别是对敌方通信进行干扰或侦听的前提。
In military field, the modulations recognition of communication signals is the prerequisite of interference towards the enemy's communication.
文中运用三层速率模型，对小信号调制下单量子阱激光器的频率响应进行模拟分析。
This paper presents a simulative method to solve the frequency response of single quantum well laser diode under small signal modulation.
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。
A new method of modulation identification for communication signals, using wavelet transform to extract characteristics and based on support vector machines (SVM), is proposed.
给出了产生基带波形的几种设计方案以及几种雷达信号调制算法及软件实现设计图。
And several design ways of making base-band radar signal, modulating arithmetic of several radar signals and the software design architecture of radar signal experimental system are given out.
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.
信号调制是数字电视前端最后的一个物理环节，直接决定信号在网络中传输的质量。
Signal modulation is the last physical part of DTV Front-End, which directly determines the quality of network transmission.
硬件电路系统包括LED光源驱动电路、信号调制电路、DSP硬件电路、显示电路。
Circuitry involve LED drive circuit, signal modulation circuit, DSP circuit and display circuit.
通信信号调制类型的分类识别是一种典型的模式识别问题，它涉及到很多复杂的因素。
The classification of modulation types of communication signals is a problem of typical pattern recognition. It involves many perplexing factors.
通过对未知信号调制模式的识别能让我们洞察未知信号的结构、起源以及信号的属性。
Recognition of the modulation type of an unknown signal provides insight into its structure, origin and properties.
高频雷达工作在十分拥挤的短波波段内，可资用的能满足信号调制的连续频带很难获得。
Operating in the heavy congested SW band, it is difficult for HFradars to find continuously useable waveband for signal modulation.
系统主要包含目标运动轨迹计算、误差计算、导航电文生成及信号调制发射等功能模块。
The system comprises the target trajectory calculation module, the error calculation module, the satellite navigation parameters generation module, and the signal modulation module, etc.
模拟部分主要包括电源、功率控制、信号产生、信号调制、高压输出控制和反馈控制电路。
The analog part mainly includes power source, power control, signal generation, signal modulation, high voltage output control and feedback control circuit.
文章介绍了一种利用CMOS锁相环芯片CD 4046实现FSK信号调制与解调的方法。
This paper introduces a method of FSK modulation and demodulation using CMOS phase locked-loop chip CD4046.
根据快速傅里叶变换(FFT)和数字信号调制解调的特点，给出了一种盲信道质量估计算法。
On the basis of the features of the Fast Fourier Transform (FFT) and digitally modulated signals, this paper proposes a blind channel estimation algorithm.
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。
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。
The automatic identification of the modulation types has been applied to many fields such as signal identification, interference identification, radio interception, signal monitoring, etc.
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