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- radar antenna gain 雷达天线增益
- A domelike shell transparent to radio-frequency radiation, used to house a radar antenna. 雷达天线罩有顶构造,可以让无线电频率辐射穿过,用于隐蔽雷达天线
- 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。
- At the end, the probabilities of using the TLM method to analyze the field characteristics of radar antenna arrays have been further discussed. 论述了TLM方法在这一领域应用的优缺点,进一步分析了运用TLM方法分析大型雷达天线阵场特性的可能性。
- 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 results of the numerical simulation show that the acceleration of lateral vibration can be reduced 75% if the active control system is applied on a radar antenna. 由数值分析结果显示,利用本方法,可将指向性天线振动减少75%25,此外对天线振动导致之伺服干扰也能有效抑制。
- 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 major scattering resource in top direction is radar antenna or infrared head, in side direction is dihedral reflector formed by missile wings, missile body and wings. 其主要散射源在头向为雷达天线或红外导引头,在侧向为弹翼之间的二面角以及弹身、弹翼。
- Abstract: The design and adjustment of the tilt datum plane for the radar antenna arrays is introduced in this paper,and it is helpful to unmachined datum plane. 摘 要: 本文介绍了某雷达天线倾斜基准的设计及安装调试,可对非机加工形成的基准面的设计及调试安装提供参考。
- 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 principle of the modularization is introduced in details in this paper,and is used to partition the modules in the stable platform of the shipborne radar antenna. 通过构建旋转导向钻井系统稳定平台的数学模型和分析稳定平台的工作环境,提出了稳定平台变结构控制方案。
- 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。
- And on this basis, the finite element model of case typed radar antenna structure integrated with plate unit and entity unit was established on the basis of handling method of coupling and constraint equations. 并在此基础上,基于耦合和约束方程处理方法,建立了板单元和实体单元相结合的箱体式雷达天线结构有限元模型。
- 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。
- In this paper, we mainly study the parametric discernment principle of transfer function for radar antenna control system, and design methods of discernment program are also presented. 主要研究了雷达天线控制系统传递函数的参数辨识原理,并给出了辨识程序的设计方法。
- While in large cells, where the power may limit the system capacity, the increased antenna gain requires less power to maintain each link, and results in larger supportable cell ranges. 在大区制,当功率限制系统容量时,增加了的天线增益只需更小的功率来维持每条链路。因此,便可支持(覆盖)较大的范围。
- From the practical static pattern,this arti- cle computes the maximum revolving rates of the M-5 and M-10 radar antennas. 根据瞄-5和瞄-10雷达的实际方向图,本文计算出了各个波段被测天线应具有的最大旋转速度。
- Beam configurations of Doppler radar antenna 多普勒雷达天线的波束形状
- antenna gain to noise temperature 天线增益-噪声温度比
- A number of retractable masts are carried inside the sail including periscopes, radar antennas, radio and satellite communications, and navigation masts. 许多的可缩回桅杆装在帆罩内包括潜望镜、雷达天线、无线电、卫星通信和导航。