amplitude modulation的例句大全

Furthermore, the expression of stationary bit error rate of system output corresponding to equiprobability quaternary pulse amplitude modulation ( PAM) input signals was deduced.

给出了当输入信号为等概率的四进制脉冲幅值调制（PAM）时，系统输出理论渐近误码率计算公式。

Both Quadrature Amplitude Modulation ( QAM) and Low Density Parity Check Code ( LDPC) are widely used in such fields as wireless communication, wired television transmission and satellite communication.

正交幅度调制（QAM）和低密度奇偶校验码（LDPC）技术应用于很广泛的领域，如无线通信、有线电视传输、卫星通信等领域。

Perception threshold of sound amplitude modulation

声音的调幅感受阈

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。

The principle of the envelop demodulating technique for time varying amplitude modulation signals was described, and the demodulating performance of the cyclic autocorrelation function was discussed.

介绍包络解调技术在幅值调制信号分析中的工作原理，同时讨论了循环自相关函数的解调性能。

Effect of amplitude modulation and phase perturbation on the optimizing parameters of third harmonic generation

振幅调制和位相扰动对三倍频参数优化的影响

This paper derives the cross correlation function of baseband PAM ( Pulse Amplitude Modulation) signal, and shows that the cross correlation function includes timing information.

本文推导了基带PAM（脉冲幅度调制）信号的互相关函数，指出基带PAM信号的互相关函数中含有位同步信息，以此为依据得到了一种位同步检测算法。

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。

This paper analyzes the principle of time domain measurement function of high per-formance spectrum analyzer and its use in Amplitude modulation ( AM), Frequency modulation ( FM) and pulse modulation test.

本文分析了高性能频谱分析仪时域测量功能的原理，并给出其时域测量功能在调幅、调频、脉冲调制测试中的应用。

Research on Medium Wave Amplitude Modulation Stereo Broadcasting Systems in China

中波调幅立体声广播制式研究

The Basic Method of Digital Amplitude Modulation for All-Solid Medium Wave Transmitter

全固态中波发射机数字幅度调制的基本方法

The amplitude modulation is one of the the important examination index of the medium wave shoot technique.

调幅度是中波发射技术中一项重要的检测指标。

Digital Amplitude Modulation for Medium Wave Broadcast Transmitters

数字调幅中波广播发射机

Designing of Real-Time Data Collection System for Digital Amplitude Modulation Broadcast Transmitter in 10 KW Medium Wave

10kW中波数字调幅广播发射机的实时数据采集系统设计

For high order QAM ( Quadrature Amplitude Modulation) signals, the residual square error of CMA ( Constant Modulus Algorithm) is unacceptably large and the convergence rate of MMA ( Multi Modulus Algorithm) is too slow.

对于高阶QAM信号，常数模算法的收敛误差不为零，而多模算法的收敛速度慢。

Study on 8 kinds of artifacts in ultrasonography by amplitude modulation

用A型超声示波法研究8种2D超声伪像的形成

Analog Switch: Its Application in Amplitude Modulation and Modulation

模拟开关用于幅度调制与解调

The Study on Measuring the Amplitude Modulation Signal with the DPSD Algorithm

应用DPSD算法测量调幅信号的研究

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

Research on intermediate frequency electrotherapy apparatus using false random signal amplitude modulation

伪随机信号调幅中频电子治疗仪的研究