Produced or transmitted or modulated in short bursts or pulses. 用短的脉冲产生、传送和调整。
Secondly, nonlinear channel model was established, and the power loss, correlation loss, code tracking and spectrum separation coefficients of MSK and QPSK modulated navigation signals were simulated. 然后建立非线性信道模型,仿真了MSK和QPSK调制卫星导航信号的带外功率损耗、相关损耗和码跟踪误差以及与同频段信号的谱分离系数。
Then the multi-pulse injection mode modulation technique is presented and a serial of modulated injection modes are designed. 进而提出了多脉冲喷油模式的调制技术,并设计了一系列调制喷油模式。
The electro-optic index of PLZT thin films was measured by means of modulated ellipsometry. 利用调制式的椭偏仪测量了掺镧锆钛酸铅PLZT薄膜的电光系数。
Modulation depth for modulated vision signal adjust the pitch, tone, or volume of. 已调图像信号的调制度调整斜度、音调或者音量。
When there is a modulated signal from transmitter, there are side bands. 只要在发射机中存在调制信号,就含有旁频带出现。
Frequency of the fiber laser can be modulated by driving the waveguide phase modulator with proper voltage. 光纤激光器的频率可以通过给环形腔中的波导施以适当的电压来进行调制。
Two chaotic sequences are modulated according characters of chaotic system, using for watermark encryption and sub image extraction. 利用混沌系统的特点调制了两种不同的混沌序列,分别用于水印加密和子图像的抽取。
The operational principle of a velocity modulated hydraulic coupler and its application mechanism in a belt conveyor are introduced. 摘要介绍了调速型液力偶合器的工作原理,及调速型液力偶合器在带式输送机中的应用机理。
A radio wave that can be modulated in order to transmit a signal. 一种可被调制以传输信号的无线电波。
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;
A holographic three-slit interferometer is described in which the phase of one lateral slit is modulated. 本文介绍了调制一条边缝光路位相的全息三缝干涉仪。
In communications, the amplitude variations of an amplitude modulated carrier wave. 在通信技术中,调幅载波的幅度变化图。
Modulated Scatterer Technique ( MST) is the key to realize the method. 该方法的实现关键在于采用了调制散射技术。
Neural representations in auditory cortex are also modulated by auditory feedback and vocal control signals during speaking or vocalization. 听觉皮层神经编码机制同时也受到听觉反馈和语言或发声过程中发声信号的调控。
Matches the use with it the programmable microcomputer phase-lock frequency modulated transmitter which is the our company produces. 与之配使用的是我公司生产的可编程微电脑锁相调频发射机。
FDM assigns a discrete carrier frequency to each data stream and then combines many modulated carrier frequencies for transmission. 它为每个数据流指定一个离散的载波频率,然后合并调制过的载波频率进行传输。
A holographic apparatus includes a mask for modulating a signal beam to generate a modulated signal beam; 一种全息装置,包括:一个掩模,用于调制信号光束以产生调制的信号光束;
Analysis and Study of a CW Radar System Modulated by Binary Phase Code 二进制相位编码调制连续波雷达系统的分析与研究
Not modulated; not toned down. 没有被调整的;没有变柔和的。
Cascade multilevel inverter has extensive application in the high voltage variable frequency modulated Speed System for its numerous advantages. 级联式多电平逆变器因其具有众多的优点,在高压变频调速领域中得到广泛应用。
The process of retrieving intelligence data from a modulated carrier wave; the reverse of modulation. 从调制过的载波信号中检出信息数据的过程,是调制的逆过程。
A modified algorithm for the estimation of the parameters of linear frequency modulated signal; 完成了基于此硬件平台上的并行线性调频雷达信号处理算法。
But with careful concentration, I could hear a modulated English. 但是细听起来,我能听出这是一种变了调子的英语。
In particular, transcription is modulated by the interaction of transcription factors with their corresponding binding sites. 特别地,转录被转录因子和它们相应的结合位点的相互作用所调控。
A functional unit that converts a modulated signal into the original signal. 把已调制过的信号恢复为原始信号的一种功能部件,或叫操作装置。
The actor's clearly modulated tones. 那演员显然改变了的声调。
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。
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。
The simulation results show that the relatively ideal pulses are modulated pulses with Gaussian envelope and rectified cosine envelope. 结果表明,性能比较理想的是高斯型包络的调制脉冲和升余弦包络的调制脉冲。