目的研究一种用于电阻抗多频及参数成像数字采集系统的具有高抗噪性能和快速的解调方法。
AIM To develop demodulation methods with high anti-noise ability and high speed for data acquisition system inelectrical impedance multi-frequency and parameter tomography.
提出了一种用于铷原子频标实验的灵活、方便的新型多参数、高准确度、大容量数据采集系统的构成方案。
A construction layout about flexible, convent, new type, multi parameter, high accuracy, large volume data acquisition system for the Rubidium atomic frequency standard test is put forward.
研究了利用同步控制器解决周期多频采样系统的干扰解耦问题。
We address the disturbance decoupling problem of periodic and multirate discrete time systems via synchronous controllers.
这种多频激光器（MBL）将取代现有的红外干扰激光器和闪光灯子系统，以保护直升机免受红外制导导弹的威胁。
The multiband laser (MBL) replaces an existing infrared jam laser and flash lamp subsystem to protect helicopters by defeating infrared-seeking missiles.
该文提出了一种在有限反馈条件下多入单出—正交频分复用(MISO - OFDM)系统中基于误码率的波束成形方案。
In this paper, a new transmit beamforming scheme with limited feedback is presented in Multiple-Input Single-Output Orthogonal Frequency Division Multiplexing (MISO-OFDM) systems.
介绍了一种计算机通过利用双音多频(DTMF)码进行控制的多媒体数学集中控制系统的工作原理。
The authors introduce a principle that the computer controls the multimedia teaching centralized monitoring system by using of DTMF.
采用该算法可以方便地测量多频连续波雷达系统的零距离，提高雷达系统的测距精度，减小测距的系统误差。
Using this algorithm, the zero range in CW radar can be measured conveniently with range accuracy improved and range system errors decreased.
该系统由以单片机at89c51和双音多频mt8870解码芯片为核心的系统硬件及软件组成。
It is composed of software and hardware, with single chip AT89C51 and DTMF decoding chip MT8870 as its cores.
本文介绍一种DTMF（双音多频）通信方式的远程测控系统。
This paper presents a detection and control system in which the DTMF method is used to realize data communication.
介绍了多卜勒导航雷达的基本工作原理，推导了回波信号多卜勒频移与系统其它参量间的关系。
The basic work principle of a certain kind of Doppler radar is introduced, the relation between the echo Doppler frequency and other parameters is given.
提出了一种基于导频符号的多输入多输出正交频分复用(MIMO - OFDM)系统多频偏估计算法。
A multiple carrier frequency offsets (CFOs) estimation algorithm for multiple Input multiple Output Orthogonal frequency Division Multiplexing (MIMO-OFDM) systems based on pilot symbols was proposed.
并说明了超声波测距系统的原理，实现了一种多频超声波测距系统。
This paper describes the principle of ultrasonic telemeter and the implement of a multi-wave ultrasonic telemeter.
具有码分，频分和时分多址组成部分的无线通信系统，尤其是具有混合多址技术的“联合检测码分多址通信系统。”
Wireless telecommunications system with CDMA, FDMA and TDMA multiple access component, especially 'JD-CDMD' telecommunications system with hybrid multiple access techniques.
采用两组MTMD(多频调谐质量阻尼器)系统控制某大跨网格屋盖结构的竖向地震作用。
Two groups of multiple tuned mass dampers (MTMD) are used in a long-span lattice roof structure to reduce the vertical seismic reaction.
本文以多频连续波雷达终端系统为背景，重点讨论了跟踪控制器的速度测量，角度测量和距离测量问题。
Based on the Multi-Frequency CW Radar Terminal System, this paper mainly discusses the velocity-measurement, angle-measurement and range-measurement of the Tracking System.
多频连续波雷达系统可以对多目标实时定位，因此可以实现目标脱靶量的计算。
The system of radar is able to get the orientation of multitarget, so it can obtain the miss distance.
此外，介绍了自编码技术在跳频、跳时系统中的应用和自编码多址技术。
We also introduce the application of SESS in hopping frequency, hopping time communication system and multiple access system, etc.
介绍了一种计算机通过利用双音多频(DTMF)码进行控制的多媒体数学集中控制系统的工作原理。
The authors introduce a principle that the computer controls the multimedia teaching centralized monitoring system by using of DTMF. This method is simple and dependable.
为了利用无碰撞区跳频码的特点，论文提出了一种适用于基于无碰撞区跳频码跳频通信系统的多址接入准同步组网方案。
In this thesis, a new quasi-synchronous multiple access scheme suitable for FH communication system employing NHZ hopping code is proposed.
采用遗传算法搜索子载波最优分配方案，对多用户正交频分复用多址接入(OFDMA)系统资源分配问题进行了研究，提出了一种多载波比例公平调度算法G - PFS。
Focusing on the resource allocation problem in multi-user orthogonal frequency division multiple access (OFDMA) systems, a multi-carrier proportional fair scheduling algorithm, G-PFS, is proposed.
对于这种无线多频通信系统来说，具有紧凑结构并能覆盖这些通信频段的带宽的天线是人们所希望的。
Therefore, a single compact antenna that has an impedance bandwidth wide enough to cover the operating frequency bands of the multi-band wireless communication system is more desirable.
针对高频地波雷达多频探测的同步时序要求，提出了一种基于以太网的多频雷达同步控制系统设计方案。
The paper presents a method about multi-frequency radar data acquisition system designing based on multirate signal processing.
针对快跳频多址系统，提出了基于最小均方误差（MMSE）准则的多用户检测算法。
This technique is based on the suboptimal subspace blind minimum mean square error (MMSE) algorithm of multiuser detection.
研究了一类滞后非线性系统在多频激励下的超谐共振和亚谐共振。
The parametric and subharmonic resonances of stay cables excited by the vibration of deck are investigated.
在移动环境下，ICI的产生主要由多普勒频移引起，同时，与CDMA结合后，CD MA系统本身的多址干扰(MAI)也是影响系统性能的关键因素。
In a mobile environment, ICI is mainly caused by Doppler frequency shift. While, when combined with CDMA, Multiple Access Interference (mai) is another key factor affecting system performance.
在移动环境下，ICI的产生主要由多普勒频移引起，同时，与CDMA结合后，CD MA系统本身的多址干扰(MAI)也是影响系统性能的关键因素。
In a mobile environment, ICI is mainly caused by Doppler frequency shift. While, when combined with CDMA, Multiple Access Interference (mai) is another key factor affecting system performance.
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