signal modulation的例句大全

the reference arm of laser interferometer was constituted of pzt groups with modulation and compensation function. the optimal combination of pzt groups and the optical path changes induced by modulation signal and feedback compensation signal are also analyzed.

激光干涉仪参考臂由具有调制和补偿功能的双PZT组构成，分析了双PZT组的最佳组合方式，及其在调制信号和反馈补偿信号作用下对干涉测量仪光程差的改变情况。

the modulation parameter estimation of lfm signal and mpsk signal was studied.

研究了线性调频信号、相位编码信号的调制参数识别问题。

secure communication method for fast-varying information signal based on chaotic modulation

适合传输快变信息信号的混沌调制保密通信

dft method of detecting am signal with low modulation ratio

低调制度AM信号的DFT检测方法

its anti-noise jamming performance can be improved by increasing modulation period and signal bandwidth;

增加调制周期和信号带宽可提高引信抗噪声干扰能力；

msk gmsk modulation that is before the first signal through the gaussian pre-filtering low-pass filter, and then to msk modulation.

GMSK即在MSK调制前，先将信号经过高斯低通滤波器进行预滤波，再进行MSK调制。

Design of MSK modulation in general communication signal generator

通用通信信号发生器中的MSK设计

qpsk modulation mode of hamming encoding different signal to noise ratio in the quality of communication.

分析QPSK调制方式下Hamming编码方式在不同信噪比下的通信质量。

the modulation recognition technique of qam signal by the constellation diagram is given in this paper.

给出了利用信号星座图的QAM信号调制方式识别技术。

the phase diversity reception of the amplitude modulation signal, the application of quadrature amplitude modulation ( qam) signal in the coherent optical system, and the automatic polarization control in the coherent optical system are studied in this thesis.

本文主要对调幅信号的相位分集接收，正交幅度调制（QAM）信号在相干光通信系统中的应用，以及相干光系统中的自动偏振控制技术进行了研究。

a format conversion from a non-return-to-zero ( nrz) signal to return-to-zero ( rz) signal is presented based on four-wave mixing ( fwm) and cross-phase modulation ( xpm) in a silicon optical waveguide.

基于硅光波导的四波混频（FWM）和交叉相位调制（XPM）效应，提出非归零码（NRZ）到归零码（RZ）的光调制格式转换。

Ich habe die Modulation und Demodulation des analogen und digitalen Signal gelernt.

我学了模拟和数字信号的调制与解调.

FM launcher can change navigating audio signal into frequency modulation signal, and playing.

FM发射器可将导航音频信号转换为调频信号播放.

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.

Modulation is used to control or throttle flow in response to an external control signal.

调制用于根据外部控制信号对流量进行控制或调节.

So the way of signal's modulation was converted from analog to digital continually and widely.

因此信号的调制方式也由模拟方式持续、广泛地向数字方式转换.

Based on the Fourier transform analysis of saw tooth signal frequency modulation, the concept of power spectrum spread attenuation factor in the case of barrage jamming is presented.

首先通过对锯齿波调频的傅里叶变换，提出了阻塞式干扰下功率谱扩展衰减因子概念；

Microcomputer bused Real time Modulation Method of Inverter Space Vector Symmetric PWM Signal

逆变器空间向量对称PWM信号微机实时调制方法

The intelligence signal transmitted in the digital communication is the coded element sequence, using this sequence to change some or several parameters of the carrier to implement the digit carrier modulation.

数字通信中发送的信息是经过编码的码元序列，再用该序列去改变载波的某一个或多个参数，实现数字载波调制。

The paper discusses the digital signal on-satellite regenerative processing techniques, such as channel separation, modulation/ demodulation, encoding/ decoding and baseband switching.

文章讨论了信道分离、调制/解调、编码/解码和基带交换等数字信号星上再生处理技术。