We add amplitude modulation onto the CW laser and measure the modulation amplification between seeding and output laser. 我们对注入的连续波激光进行幅度调制并且测量了输入输出光之间调制信号的放大倍数。
A joint carrier-phase-tracking algorithm based on signal combining is proposed for carrier phase tracking of quadrature amplitude modulation ( QAM) signals. 针对低信噪比下QAM信号的载波相位跟踪问题,提出一种基于信号合成的联合载波相位跟踪算法。
The characteristics of amplitude modulation of a reflective liquid crystal on silicon ( RLCOS) are discussed in this paper. 研究了反射式液晶器件(RLCOS)的振幅调制特性。
This system of modifying the carrier waves is called "Amplitude Modulation," or" AM ". 这个改变载波的系统称为振幅调制或缩写为AM。
Applications of Amplitude Modulation and Pixel Random Permutation Techniques in Double Random Phase Encryption System 振幅调制和像素随机置换技术在双随机相位加密系统中的应用
This paper mainly studies the detection capability of PD radars to targets radar in noise amplitude modulation ( AM) jamming circumstance, thereby analyzes its performance of anti-noise AM jamming. 主要通过研究PD雷达在噪声调幅干扰环境中对目标的探测能力,从而分析其抗噪声调幅干扰性能。
Research on Color Image Watermark Algorithm Based on Amplitude Modulation 基于幅度调制的彩色图像水印算法研究
Change the inverter output voltage or output current are two kinds of different ways, namely, PAM pulse amplitude modulation control and PWM control pulse width modulation. 改变变频器的输出电压或输出电流有二种不同的方法,即PAM脉冲幅值调制控制和PWM脉冲宽度调制控。
Chirped amplitude modulation and range dimension processing of near infrared Synthetic Aperture Ladar Chirip强度调制与近红外激光合成孔径雷达距离向处理
Monitoring System for Amplitude Modulation Broadcasting Signal Based on DSP 基于DSP的调幅广播信号监测系统
A communication receiver scheme of amplitude modulation for reduction of co-channel interference using blind source separation Extending Dynamic Range of Receiver with Differential Limiter 基于盲源分离的抗同频干扰调幅通信接收机差分限幅器在接收机动态范围扩展中的应用
The first radio broadcasts were made using amplitude modulation. 最初的无线电广播设备采用的是波幅调制。
A New Model of Visual Attention Selection Based on Amplitude Modulation Fourier Transform 一种新的基于调幅傅里叶变换的视觉注意力选择模型
Investigation on Double Amplitude Modulation Signal Classification Based on Cyclostationary Analysis and Application 基于循环平稳分析的二重调幅信号识别研究与应用
Two-dimensional channel estimation based on sliding window for digital amplitude modulation broadcasting system 数字调幅广播系统中基于滑动窗口的二维信道估计
Application of Amplitude Modulation Microwave in Island "Extend Radio and TV Coverage to Every Village" Project 调幅微波在海岛有线电视村村通的应用
The remote control device crystal frequency stabilization using pulse amplitude modulation transmitter, A simpler circuit, high frequency stability, launched28MHZ are continuous carrier amplitude. 该遥控装置采用晶体稳频脉冲调幅发射机,电路较简单,频率稳定度高,发射的是间断的28MHZ等幅载波。
Realize signal modulation and demodulation functions, including various types of modulation such as ASK ( amplitude modulation), PSK ( phase modulation), FSK ( FM). 实现信号的调制解调功能,包括各类调制如ASK(调幅),PSK(调相),FSK(调频)。
Simulation Study of Amplitude Modulation Signal Based on MATLAB 基于Matlab的幅度调制信号仿真研究
Application to Gauss Pulse Sequence Signal of Chaos Amplitude Modulation in Radar 混沌调幅的高斯脉冲序列信号在雷达中的应用
Measurement of 3D Displacement Using Amplitude Modulation Ultrasonic in Unstructured Conditions 非结构化环境下物体三维位移调幅超声波检测研究
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。
Amplitude modulation index estimation of AM-FM signal scattered from micro-motion target 微动目标AM-FM信号调幅指数估计方法
The passive interference in receiving station of amplitude modulation ( AM) broadcasting from UHVAC transmission lines is mainly caused by towers. 特高压输电线路对调幅广播台站的无源干扰主要是由垂直杆塔引起的。
A kind of distributed feedback ( DFB) diode laser module was developed for the use of Amplitude Modulation Cable Television ( AMCATV) transmitter. 开发了一种用于光纤公用天线电视(CATV)的分布反馈激光二极管组件。
In this paper, a new design method of amplitude modulation trellis codes ( AM-TCM) is presented. 本文提出了幅度调制的格状编码调制(AM-TCM)设计的一种新方法。
We also analysed the influence of amplitude modulation and frequency ( or phase) modulation on Interferometer Direction Finder. 对三波道干涉仪测向结果不受幅度调制和频率调制(相位调制)的影响进行了数学分析。
System performances using the two different pulse amplitude modulation schemes ( BPSK and OOK) is compared. 比较了BPSK和OOK两种脉冲幅度调制方式下的系统性能;
It is a combination of the pulse amplitude modulation and frequency modulation types. 该仪器系统是由脉冲幅度调制和频率调制两种遥测系统复合组成的。
This paper presents a color image watermarking scheme based on amplitude modulation. 提出了一种基于幅度调制的彩色数字图像水印方案。