antenna lobe
英 [ænˈtenə ləʊb]
美 [ænˈtenə loʊb]
天线波瓣
双语例句
- The effect of antenna parameters on the beamwidth and side lobe level is analyzed.
分析了天线参数对主瓣宽度和副瓣电平的影响； - Qualitatively analyze the existing problem of the antenna height scanning for the EUT with radiating characteristics ( single lobe and multi-lobes) in the measurement method.
对具有不同辐射特性（单波瓣和多波瓣）的受试设备天线高度扫描问题进行了定性分析。 - The distance between antenna elements and element's excitation currents are used as variables to optimize the side lobe of equal space linear array firstly.
首先，以各单元馈电电流和单一阵元间距为变量，对一般天线阵进行了降低旁瓣电平的优化。 - The dual beam feeding source system that is used on the transform of arbitrary feedforward satellite station and 3m dual beam satellite receiver antenna which the gain high, minor lobe small and noise low are developed.
研制出的双波束馈源系统，可用于任意前馈卫星站的改造；3m双波束卫星接收天线增益高、副瓣低、噪声小。 - The array parameters are optimized using the nonlinearly constrained optimization method so that the antenna achieves side lobe suppression up and null filling down in the vertical radiation pattern.
采用约束非线性优化方法，对其阵列参数进行优化，实现了垂直面内上半空间的旁瓣抑制和下半空间的零值填充。 - Effect of A/ D Converting on Performance of Adaptive Antenna Side lobe Cancellation
数模转换对自适应天线旁瓣相消的影响 - During the antenna optimization process, an appropriate fitness function is used to suppress the sidelobe in interference zone, fill the null points in service zone and control the back lobe, to get satisfactory pattern shape in the whole frequency band.
在优化过程中通过合适的目标函数，保证了天线较好的频段特性，并压制干扰区副瓣、填充服务区零值、控制后瓣。 - It is concluded that an offset feed parabolic antenna has the advantage in side lobe suppression over central feed parabolic antenna.
结论显示：偏角馈入抛物面天线较中心馈入抛物面天线在抑制远旁瓣方面有优势，在做低仰角扫描时不会产生远旁瓣回波； - To overcome the signal effect, we renovate the auxiliary antenna in the conventional side lobe canceller system to two-orthogonal-channel polarization antenna.
为了克服目标效应，将常规旁瓣对消系统的辅助天线改为双极化正交天线。 - Cancellation gain of antenna decreases rapidly with increasing of bandwidth of interference in adaptive side lobe cancellation.
在自适应旁瓣相消技术中，天线的相消增益会随着信号带宽的增加而迅速下降。 - Smart antennas use the digital signal processing technologies to produce spatial and directional beam, then let the antenna's major lobe point to the coming direction of reference user and the side lobe point to the coming direction of interference user.
智能天线利用数字信号处理技术，产生空间定向波束，使天线主波束对准用户信号到达方向，旁瓣或零陷对准干扰信号到达方向，达到充分利用移动用户信号并抑制或删除干扰信号的目的。 - To improve evidently the antenna electrical performance ( i.e* to decrease gain loss and reduce side lobe level), the method by adjusting the feed illumination condition on the subreflector is suggested.
提出用调整馈源对副面照射状态的方法来明显地改善天线电气性能（减少增益损失和降低边瓣电平）。 - The discontinuity at the edge of the reflector makes the scattered field from the discontinuity interfere the reflected field of the parabolic surface, resulting in degeneration of the antenna side lobe level.
由于反射面天线中抛物盒顶部开口所造成结构不连续，使其开口处产生的散射场对抛物盒的反射场干涉而造成口径场畸变，从而导致了天线副瓣性能变差。 - Integralization design in antenna and feed system of active phased array for low side lobe
低副瓣有源相控阵天馈系统中的一体化设计 - Much design convenience is achieved by changing the feed point of the traditional Taylor antenna arrays. The new Taylor array antennas can meet the requirements of the side lobe and radiation direction.
采用泰勒阵列设计的方法降低均匀平面线阵的副瓣，通过改变馈电位置的方法改进了普通泰勒阵，在满足线阵副瓣要求的情况下，实现任意指定方向的定向辐射。 - The back lobe level is an important technical parameter of a radar antenna. As one of key techniques of modern high-performance radars, low back lobe is of equal importance to low side lobe.
背瓣电平是雷达天线一项重要的技术指标，低背瓣同低副瓣同等重要，成为实现现代高性能雷达的关键技术之一。 - Adaptive beam-forming technology can significantly improve the performance of the antenna array, it includes: quickly forms the main lobe in the goal directions, rapidly forms nulls in the disturbance directions, forms the ultra-low sidelobe, forms the multi-beam and so on.
自适应波束形成技术可以显著提高阵列天线的性能，这些性能包括：在目标方向快速形成主瓣，在干扰方向快速形成零陷，形成超低副瓣，自适应空分处理，多波束等等。 - LDW-PSO is also used to optimize the pattern of linear antenna array with 8 elements, as well as the previous conformal array. The simulation results illustrate that the side lobe level can be suppressed.
论文还将粒子群算法应用到8单元线阵以及共形阵的方向图优化中。仿真结果表明阵列天线的旁瓣电平得到了抑制。 - From the linear array and the rectangular planar phased array antenna which have simple structure and wide range of application, phased array antennas with some basic parameters, formulas and simulation results lobe are given.
本文首先介绍相控阵天线的发展现状及技术特点，从结构简单，应用广泛的直线阵和矩形平面相控阵天线入手，给出了相控阵天线的一些基本参数、波瓣公式及仿真结果。 - The array antenna with low side lobe is designed by employing the Taylor synthesis and density taper sparseness with an overall consideration of the radiation and scattering performance. The side lobe of the array antenna is optimized by random search.
在综合考虑辐射和散射特性的基础上利用泰勒综合和密度锥削稀疏技术设计了低副瓣电平阵列天线，并采用随机遍历算法对阵列天线副瓣进行了优化。 - As an example, the scanning property of a large array antenna in the presence of a radome is analyzed and some parameters are calculated, such as the attenuation of the main lobe and the boresight error.
对某大型阵列天线在天线罩内的扫描特性进行了分析，给出了在天线罩影响下天线的主瓣衰减及瞄准误差等特性。 - The results show that the resonance-type MPCs can improve the characteristics of the antennas and antenna arrays. The profile of the antenna can be reduced, the gain of main lobe has addition and the radiation level of back/ side lobes decrease.
研究表明，谐振型微波光子晶体的引入可以有效的改善天线和天线阵列的特性，主要体现在可以减小天线剖面尺寸、提高主瓣增益及降低后向和侧向辐射电平上。 - Not only the lobe direction of such an adaptive antenna can be changed by simply adjusting the weights to the array signals, but also zeros in the lobe can be formed at the directions of jams.
这种自适应天线的波束指向在一定范围内可以通过调整阵列信号的加权系数而改变，采用了抗干扰自适应算法之后，在干扰方向上还可以同时形成零陷。