您要查找的是不是:
- The method for generating the second signal is put forward based on the period rule of the phase difference for two frequency signals with the frequency difference. 摘要利用两个有一定频差的频率信号相位差变化的周期性规律提出了一种秒信号产生方法。
- one frequency signal receiver 单频信号接收机
- two frequency signal 双频信号
- The interval between any two frequencies having a ratio of2 to1. 倍频程频率比率为2比1的两个频率的间隔
- Its primary function is the amplification, mixing and filtering for the weak signal from the GPS receiver antenna to get the intermediate frequency signal used in the back-end correlator. 其功能主要是对从GPS接收机天线端接收到的微弱信号进行放大以及降频、滤波,得到后端GPS相关器电路正常工作所需要的中频信号。
- two frequency signaling 双频信号方式
- two frequency signals 双频信号
- And there is a signal receiver or dupe: the animal that cannot effectively distinguish between the model and the mimic. 拟态是无数代自然选 择和遗传变异的进化而获得的有利特征的结果。比如,有些特征有利于伪装,那么具有这 些特征的植物就比不具有的易于生存。
- The authors apply the stereomicroscope and two CCD to simulate the eyes of human beings.The stereo video frequency signal was composed through the process of synchronous controller. 通过体视显微镜加上两路CCD视频信号模拟人的双眼,经过同步控制器的处理后,实现了立体视频的合成。
- In this paper, a simple, practical remote signal receiver of high antiinterference is described. 介绍了一种简单、实用、具有高抗干扰性的远距信号接收器,较详细分析了抗干扰电路原理。
- An acousto-optic deflector(AOD)driven by a beat frequency signal generated two overlap gratings inside the acousto-optic(AO)crystal and diffracted the incident laser beam into two first-order beams. 该系统利用拍频信号驱动声光偏转器,在声光晶体中形成两个重叠的光栅,光源发出的激光以布拉格角入射,形成两束一级衍射光,经透镜聚焦形成光强按正弦规律分布的结构光条纹。
- If you are having trouble placing the IR blaster on the set-top box correctly, try using a flashlight to locate the signal receiver on the set-top box. 如果将红外遥控电缆正确放置在机顶盒上有困难,请尝试使用闪光灯将信号接收器定位在机顶盒上。
- The interval between any two frequencies having a ratio of 2 to 1. 倍频程频率比率为2比1的两个频率的间隔。
- This paper introduces the application of AGC to the hydroacoustic signal receiver,and expounds in detail its working principle and circuit of hardware. 介绍了自动增益控制系统 (AGC)在水声信号接收机中的应用 ,对其工作原理、硬件电路进行了详细的论证
- Abstract : The two frequency method for measurring corrosion reaction resistance based on a. c. impedance and numerical integration has been proposed. 摘要 : 提出了基于交流阻抗和数值积分原理的二点频率法。
- The readout principle and test method of high frequency signal of CD are introduced. 介绍了CD光盘的高频(HF)信号的读取原理和测试方法。
- The test system consists of a light source, a monochromator, an optical system, a two-dimensional progressive scanner, a signal receiver, a data process device and a computer. 测试系统由光源、单色仪、光学系统、二维步进扫描装置、信号接收装置、数据处理设备和计算机组成。
- The match strobe gate is presented to improve the measurement precision of low frequency signal. 文中提出使用匹配选通门提高低频信号频率测量精度。
- An inspection of (4. 3-5) reveals that for a given K there are two frequencies. 由式(4.;3-5)可见;对于给定的K有两个频率。
- The output of common ultralow frequency signal generator has only a few fixed waveforms which can not be changed. 常用超低频信号发生器的输出只有几种固定的波形,不能更改。