antenna的例句大全

The establishment and development of the multi-antenna information theory have revealed that the MIMO ( Multi-Input Multi-Output) technique can provide extraordinarily high spectral efficiency gain over the traditional single antenna systems, which have also laid the theoretical foundation for the invention and applications of space-time codes.

多天线信息理论揭示了多输入一多输出（MIMO：Multi-input multi-Output）技术所具有的远远超越于传统单天线系统的高效传输性能，为空时编码技术的产生与应用奠定了坚实的理论基础。

According to the theoretical formula calculating the size of the antenna, then using HFSS to simulate and observe results.

根据理论公式计算出天线尺寸，使用HFSS软件仿真，观察仿真结果。

To reduce the vibration response of antenna support shell for some satellite, the restricted damping layer was applied according to the theory of vibration dumping in this paper.

为减小某卫星天线支承筒的振动，根据阻尼减振原理，采用约束阻尼层方法进行减振处理。

Then, the basic theory of electromagnetic fields and antenna are presented and analyzed, as well as the electromagnetic simulation and the basic antenna measurement techniques. A novel cylinder shape dual-band antenna is given.

另外对电磁场和天线的基本理论以及电磁仿真、天线的测量的基本技术进行了说明。本文中给出了一款新型圆筒形双频带天线。

Pulse parameters and its influence on pulsed antenna measurements is presented in this paper. On the basis of the plane-wave theory of time-domain fields, formulae for time, frequency-domain far-field pattern and near-field far-field transformation is given.

研究了脉冲参数及其对测量的影响，根据时域场的平面波理论，给出了根据惠更斯源得到的时、频域远场方向图以及近远场变换公式。

The dissertation introduces the designing idea and technological data of array antenna, radio frequency processing and signal processing module.

论文介绍了天线阵、射频处理、信号处理等模块的设计思路和技术指标。

The model includes satellite signal and interference signal, antenna array, radio frequency processing and signal processing, etc. The dissertation studies the technological data and performance of every model by theoretical analysis and simulating.

模型包括了卫星信号和干扰信号模型、天线模型、射频处理模型、信号处理模型等。通过理论分析和仿真，研究了各模型的指标和性能。

Study on Polarization Reconfigurable Multi-layers Microstrip Antenna Based on Finite-Difference Time-Domain Method ANALYSIS OF TIME-FREQUENCY CHARACTERISTICS OF WAVE SPECTRUM BETWEEN TECTONIC EARTHQUAKE AND MINE EARTHQUAKE

基于时域有限差分法的极化可重构多层微带天线的研究三峡重点监视区构造地震与矿震时频谱特征分析

To make sure that the antenna points to the right direction is the basis of effective work of telemetry and telecommand system of a helicopter.

保证天线跟踪系统的正确跟踪指向是无人驾驶直升机遥测遥控系统可靠工作的关键技术问题。

Study on Model Test of Prestressed Concrete Microwave Antenna Tower over the Fuzhou Telecommunication Building

福州市长途电信枢纽大楼预应力微波天线塔台模型试验研究

Technical drawbacks of TD-SCDMA system are analysed in this paper from many aspects including the characteristics of personal telecommunication system in walking environment, spectrum spread gain and comparison of different 3G standards, radio link budget, and smart antenna, etc.

文章从步行环境移动通信系统的特征、3G标准的比较和扩频增益、无线链路预算及智能天线的作用等方面分析了TD-SCDMA标准可能存在的技术缺陷。

This paper describes a mechanically despun satellite antenna system for the domestic telecommunication service.

叙述了为国内电信服务的机械消旋卫星天线系统。

An antenna system for DFH-2A domestic telecommunications satellite

DFH-2A国内通信卫星天线系统

When performing tasks that launching missile or rocket, telemetry antenna is indispensable equipment.

在执行导弹火箭发射任务时，遥测天线是不可缺少的设备。

A Technology of Mounting Airborne Telemetry Transmitting Antenna

机载遥测发射天线的安装技术

In TT& C system, unified spread spectrum framework and adaptive antenna digital beamforming technologies are used to track, telemetry and command objects.

统一扩频测控体制的多飞行器测控系统应用自适应天线数字多波束形成技术对目标实施跟踪和测控。

The antenna system consists of three parts: an assembly of the omnidirectional telemetry and command antennas, a directive communications antenna and a three channel noncontacting rotary joint.

该天线系统包括三部分：全向遥测遥控天线组件，定向通信天线和三信道无接触旋转关节。

This filter can be used in navigation, antenna tracking, and telemetry data processing systems to improve the locating accuracy and to realize the flight mode auto judgment.

本方法可用于导航控制、天线跟踪和遥测数据处理等系统中，可以提高定位的准确性，并进行飞行模式的自动判决。

Telemetry consists of transmitter, antenna and receiver. Traditional analog modulated transmitter is mature which modulates the frequency of VCO by making use of the changeability of diode's capacitance.

就遥测发射系统而言，传统的模拟调制已经很成熟，模拟发射机是利用调制信号的变化来控制变容二极管的结电容容值的变化，从而改变压控振荡器的震荡频率来实现调频；

The quick development of cellular telephone and wireless local area network ( WLAN) provides broad platform for wideband dual-frequency antenna.

蜂窝电话和无线局域网（WLAN）为双频宽带天线提供了广阔的应用平台。