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- Calculation of Satellite Down-link and Measurement of Receiving Antenna Gain 卫星下行链路计算及接收天线增益的测量
- Diagnostic Measurement for Manual VSAT Receive Antenna Gain 手动VSAT站天线接收增益的诊断测量
- receiving antenna gain 接收天线增益
- Reorient or relocate the receiving antenna. 调整接收天线
- Inside GPS receiving antenna, also can use outside antenna. 内置GPS天线,并可外接天线。
- receiver antenna gain 接收机天线增益
- In the uplink coverage calculations the increased antenna gain of the multiple beam concepts needs to be considered. 在上行链路覆盖计算法中，全向波束概念所增加了的天线增益需要考虑。
- With the help of statistic principle, the estimtion ormulas ofthe antenna gain loss, beam width and siedlobe level in sparse array are derived. 应用概率统计原理，导出了具有幅相误差、元失效时稀疏阵天线阵增益损失、束宽度、向、瓣电平的估计公式、得出一些有益结论。
- The receiving antenna is used to collect the weak laser signature as much as possible and couple to APD. 接收天线使用了开普勒望远镜,最大限度的接收光信号,并将其压缩耦合至接收装置。
- Simulation results show that the frequency range obtained for VSWR<2 is much wider, and as the frequency increases, the antenna gain become bigger. 仿真结果显示其VSWR<2的频带范围较大，而且随着频率的增加，天线的增益有增大的趋势。
- The original installation receiving antenna, strengthens the signal receptivity. 原装接收天线，加强信号接收能力。
- The more good quality of the LNB, the smaller caliber and the lower cost of receiving antenna were required. 高频头质量越好，相应的接收天线口径要求越小，成本越低。
- This paper analyzes the effects of amplitued-phyase errors and element failure on antenna gain, beamwidth, beam direction, and sidelobe level in sparse array. 围绕天线阵增益、束宽度、向和副瓣电平等指标，分析了幅相误差、元失效对稀疏阵列天线性能的影响。
- The cassegrainian telescope system with spherical mirrors used as transmitting and receiving antenna for CO_2 lasercom are reported in this paper. 国外有关10.;6微米CO_2激光通信实验系统均采用非球面光学天线;如文献[1、2]等。
- The 70cm transmitter antenna configuration is Left Hand Circular polarity (LHCP).The 2M receiving antenna is a 1/4 wave whip. 卫星0.;7米段的发信机天线是左旋圆极化，2米段收信机是1/4波长鞭状天线。
- It can perform a flexible emissive and receiving antenna beam and have a good anti-jamming ability.This thesis is a previous research before engineering fulfillment. 本文设计了用可实现模拟多种不同工作体制、具有灵活可变的收发波束和较好抗干扰能力的雷达天线平台，为工程实现提供了理论支持。
- The vertical layered space-time (V-BLAST) of Bell laboratories based on a multiple transmitting and receiving antenna system (MIMO) highly improves the system capacity. 摘要基于多发送多接收天线(MIMO)的贝尔实验室垂直分层空时码(V-BLAST)可显著提高系统的传输容量。
- On the basis of discussing the analyzed restraint relationship between the link loss and the spot-beam antenna gain a new spot-beam model of optimum design named link level balance spot-beam model is proposed. 在分析链路损耗与点波束天线增益之间制约关系的基础上，提出了一种新的点波束优化设计模型?链路电平平衡点波束模型。
- The calibration as the whole system like corrections of the antenna gain, attenuation of LISN and conversion into 3 meters in measurement distance is performed in MSA338E and PC software. 整个系统通过MSA338E和PC软件来补偿宽频天线的天线增益、LISN的衰减量，以及向3m法的转换等。
- Main work include:1 A method of adaptive DBF in received antenna array. 1 讨论了在接收阵列天线中，自适应数字波束形成(DBF)的方法，引入了采样梯度矩阵算法。
