A functional unit that converts a signal into a modulated signal suitable for transmission.
将信号转变成适合于传输的被调制信号的一种操作装置。
Pulse compression; Linear frequency modulated signal; Phase encoding signal; Echo signal; ADS;
脉冲压缩；线性调频信号；相位编码信号；目标回波信号；ADS；
Method of converting a series ofm-bit information words to a modulated signal, coding device, recording device.
转换信息字序列为调制信号的方法，编码设备，记录设备。
The fault is diagnosed by extracting the fault feature component from the frequency spectrum of the modulated signal.
通过对调制信号作谱分析，以其频谱中是否存在某种故障的特征频率分量来诊断有无该种故障。
Wideband linear frequency modulated signal is a kind of waveform commonly used in ground-based wideband imaging radar.
宽带线性调频信号是地基宽带成像雷达的一种常用波形。
The problem of estimating the parameter of a linear frequency modulated signal embedded in additive noise is considered.
研究了加性噪声中线性调频信号的参数估计问题。
Jointed the constant module (CM) character of digital modulated signal, the CM generalized kurtosis algorithm is deduced.
并结合调制信号的恒模特性，提出了基于广义峭度的恒模盲信号提取算法。
It transforms the digitally modulated signal from short words occurring at high sampling rate to longer words at Nyquist rate.
低字率、高采样频率的数字调制信号被转换成高字率、奈奎斯特频率采样的信号。
Then the modulated signal is retransmitted. It can produce false targets deceptive jamming or cover jamming according to the modulating parameters.
根据调制参数不同，这种干扰可以灵活产生假目标欺骗和覆盖干扰两种效果。
Its basic idea is to partition the constellation optimally by coding, so that the maximal distance between the modulated signal vectors can be obtained.
它的中心思想是：采用编码的方法将信号空间做最佳划分，使的已调信号矢量端点之间有最大的欧式距离。
With this method no a-prior knowledge about modulated signal are requested and a comparable good recognition result can be obtained under low SNR environment.
该算法无需提供任何信号调制参数的先验知识，并且在较低的SNR条件下获得很好的调制模式识别效果。
The spectrum of amplitude modulated signal are two half magnitude spectrums of base band signal positive and negative shifted by a carrier or R. F. frequency.
调幅讯号之频谱为一半强度基频讯号之频谱分别正负位移一射频或载波之频率。
A method using cubic-spline interpolation to process correlation peaks was proposed to improve the precision of BOC-modulated signal PN code phase measurement.
提出了利用三次样条插值法，处理BOC调制信号相关谱主峰及副峰的数据，以提高相位测量精度的算法。
The interference effects of single frequency, digitally modulated signal and radar signal to FM TV systems are studied by means of the subjective and objective measurements.
通过主观测量和客观测量研究了单频、数字调制信号和雷达信号对调频电视系统的干扰效应。
Using the characteristics of phased modulated signal , higher output Signal to Interference plus Noise Ratio is obtained for a fixed transmitter by transmitting more energy.
该方法充分发挥了雷达发射机的发射能力，即对于固定的发射机来说，以发射更大的能量来得到更大的输出信干噪比。
If the realization of the ZFFT was based on the method of complex modulated signal or directly decomposed signal, a special equipment would be used or designed in other way.
若采用复调制法或直接抽取法等通用ZFFT法实现，一般要用专用设备或另作设计。
To estimate carrier frequency of digitally modulated signal whose modulation type is unknown, a carrier frequency estimation method for digitally modulated signal is proposed.
针对未知调制类型情况下数字调制信号的载波频率估计问题，提出了一种适用于数字调制信号的载波频率估计方法。
The principle of digital modulated signal is analyzed in this paper. Based on instant character parameters, a kind of digital communication signal demodulation method is established.
分析了信号数字调制的基本原理，提出一种基于信号瞬时特征参数的数字通信信号解调方法。
Contour modulation is a technique in which a phase-modulated signal waveform and amplifier output impedance work together to maintain higher efficiency over a sizable output power back-off.
轮廓调制结合了一种相位调制信号的波形和放大器的输出阻抗，可在某个较大型输出电源关闭后保持更高的效率。
For wireless digital communications, digital user signal is usually at first converted into analog domain and then modulated to radio frequency by one or two steps.
对于无线数字通信而言，通常将数字用户信号首先转换到模拟域中，然后通过一个或两个步骤将其调制到无线电频率。
This is a single sideband modulation source, for the signal and the signal has been modulated spectrum.
说明：这是单边带调制源码，求消息信号和已调信号的频谱。
The amplifier input is a voltage proportional to the photocurrent signal produced by a photodiode, which is irradiated by a modulated light beam at the same chopper frequency.
放大器输入为电压信号，与光敏二极管产生的光电流信号成比例。调制光柱以断路器同样的频率照射光敏二极管。
A modulated high-frequency signal is distorted by the thermal behaviour through complex intermodulation phenomena, although the temperature response of the circuit is slow.
虽然电路对温度响应性很低，调制的高频率信号也会由于热行为产生的复杂的互相调制现象而发生失真。
In the paper. the interference intensity of signal laser beam and the reference one is carried out in detail on a heterodyne laser probe with amplitude modulated laser source.
本文详细推导了用振幅调制激光为光源外差激光探针的信号光与参考光干涉光强表达式。
In this paper, a PD radar signal is researched, which is modulated by randomly staggered pulse sequence whose phase is also modulated by random binary-phase code.
本文研究了随机脉冲位置调制与脉冲之间随机相位调制相结合的脉冲多卜勒雷达信号。
The paper describes a seam tracking sensor with a signal source of modulated infrared beam.
叙述了一种以脉冲调制的红外光束为信号光源的焊缝跟踪传感器。
The parameter of the transmitting system procreated chaotic carrier is modulated by errors from an adaptive controller and information signal.
利用一个自适应控制器跟踪信息信号的误差对产生混沌载波的发射系统进行参数调制。
It is the chiefly problem of signal disposal to recognize its modulated type and its essential characters rightly.
正确认识其调制类型，识别信号本身的一些基本特征，是信号处理的首要问题。
Imput signal is externally modulated by acoustooptic modulator with acoustooptical effect of acoustooptic crystal.
声光调制器利用声光晶体的声光效应对输入信号进行外调制。
Imput signal is externally modulated by acoustooptic modulator with acoustooptical effect of acoustooptic crystal.
声光调制器利用声光晶体的声光效应对输入信号进行外调制。
应用推荐