The functional principle of measurement receiver and the main parameters affecting measurement results were presented.
介绍了测量接收机的原理及对测量结果会产生明显影响的主要参数。
The digital very narrow-bandwidth Phase-Locked Loop(PLL) is designed and realized for the digital range and velocity measurement receiver.
本文正是为数字化测速测距接收机设计并实现全数字化超窄带锁相环。
The apparatus shall be furnished with the main functions of a measurement receiver, and can be used for metering and calibrating ordinary signal (function) generators.
该装置应包含测量接收机各项主要功能,能够用于普通信号(函数)发生器的计量检定(校准)。
The principle of measurement is as follows: a probe, which features a transmitter and receiver of red and infrared light, is positioned to transilluminate a pulsatile arteriolar bed.
测量原理如下:一个传送和接收红光和红外光的探针放置并透照搏动的微动脉床。
Instantaneous frequency measurement (DIFM) receiver is one of important component part of EW system.
瞬时测频接收机是电子战系统的重要组成部分之一。
Finally, the validity of digital correction is verified by simulation and practical measurement of a UWB quadrature demodulation receiver.
最后,对某超宽带正交解调接收机的实际测量结果的数字校正,验证了这种方法的有效性。
In modern power measurement, the measurement of the pulse of radio power has been widely used as the transmitter power, the delicacy of microwave receiver, the plus of amplifier and so on.
在现代功率测量中,射频脉冲峰值功率的测量广泛应用于如发射机的发射功率、微波接收机的灵敏度、放大器的增益等测量方面。
The key component of the system is a digital intermediate frequency receiver employing DSP and FPGA to obtain amplitude and phase data in real-time, which improves measurement speed and flexibility.
该系统的关键部件是一个数字中频接收机,利用DSP和FPGA实时获取幅度和相位数据,从而提高了测量速度和灵活性。
A measurement system for gas dynamic concentrations based on TDLAS was constructed by using an auto-balanced photo receiver and a digital lock-in amplifier.
基于自平衡激光接收器和数字锁定放大器构造了TDLAS汽车尾气动态浓度测量系统。
The requirements for the amplitude phase receiver for plane active phased array antenna real time measurement are discussed in this paper.
文章就平面有源相控阵天线实时检测中对幅相接收机性能的要求进行了讨论。
The frequency-guided receiver requires target signal's carrier frequency, gained by frequency measurement, to induct data rate conversion.
引导式接收需要采用测频方法得到目标信号载频,由测频结果引导后续数字信号处理器降低数据率。
In order to reduce errors and obtain highest measurement precision, microwave receiver must be synchronized with input RF pulse to maximize receiver response.
在进行脉冲天线测量时,微波接收机必须与输入的射频脉冲保持同步,使接收机的响应最大,以减少误差、获得最好的测量精确度。
However, it is not possible to do direct measurement, since the probe and the receiver are both sealed.
但是,由于探头和接收器都是密封装置,从外部直接测量是不可能的。
We represent a new IM3 phase measurement method which USES digital receiver technology and estimate value of IM3 phase by signal process arithmetic from sampled data.
我们提出了一种新的基于数字接收技术的IM3相位测量的方法,并采用信号处理算法来估计IM3的相位。
This paper analyses temperature compensations for DIFM receiver, and gives the methods to realize constant temperature, temperature measurement and error correction.
分析了瞬时测频接收机的温度补偿,并给出了实现恒温、测量温度和误差校正的方法。
Under the circumstance of modern electronic warfare, channelized receiver has been widely used as a kind of important receiver in the field of frequency measurement.
现代电子战条件下,信道化接收机作为测频领域一种重要的接收机已经得到了广泛的应用。
However, it is often impossible for ordinary manufacturers to provide the professional measurement conditions, such as an EMI receiver.
对于一般的生产厂商而言,难以具备EMI接收机等测试条件。
The wall thickness measurement system by ultrasonic scan imaging technology was described, in which multi-channel probe, pulser-receiver PCI card and network were applied successfully.
介绍超声扫描成像技术在罐壁测厚中的应用。测厚系统采用多通道探头、PCI总线超声波界面卡和网络数据传输技术。
The RF satellite test probe allows direct measurement at the LNB output or at the satellite receiver or cable TV.
卫星射频测试探头允许直接测量lnb输出或卫星接收器或有线电视。
Mobile station OTA testing is a measurement method, used to evaluate the capability of wireless terminal connecting with network, along with the influence on RP and receiver performance taken by user.
移动台OTA测试是一种用于评测无线终端设备的测试方法,用于验证无线设备和网络的连接能力,以及使用者对辐射和接收性能的影响。
This measurement system consisted of sensors, global position system (GPS) receiver, data acquisition (DAQ) card and computer.
该系统由传感器、全球定位系统(GPS)接收机、数据采集(daq)卡与计算机等组成。
It is very convenience for measurement antenna gain of antenna-receiver system. The method has high precision and it is not accept limit of frequency.
该方法对测量天线——接收机系统的天线增益尤为方便,它的测量精度高,不受频率限制。
Smoke density measurement system of cables burning under certain conditions by the light source, the silicon photocell receiver and computer system.
电缆或光缆在特定条件下燃烧的烟密度光测系统由光源、硅光电池接受器和计算机系统组成。
The dynamic range of received signal has become the important measurement index of receiver baseband performance.
接收信号动态范围已成为衡量接收基带性能的重要指标。
The dynamic range of received signal has become the important measurement index of receiver baseband performance.
接收信号动态范围已成为衡量接收基带性能的重要指标。
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