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- Ultralow Sidelobe Antenna 超低旁瓣天线
- An important index to influence the down-looking capability of airborne phased array radar is the ultralow sidelobe level of antenna. 影响机载相控阵雷达下视能力的一个重要指标是天线的超低副瓣特性。
- The backfire antenna is a kind of compact structure, high gain and lower sidelobe antenna, but its bandwidth is limited. 背射式天线具有增益高、副瓣低和结构紧凑的特点,但其频带较窄。
- The expressions of sidelobe measurement errors versus the relative parameters of antenna under test(AUT)and near-field amplitude and phase random errors are presented by using a planar near-field technique to measure ultra-low sidelobe antennas. 为了增强现代舰用天线系统的抗干扰能力;必须提高天线旁瓣的测量精度.;基于此给出了用平面近场技术测量超低旁瓣天线时;旁瓣测量总误差与待测天线参数、近场幅相随机误差的数学模型:在相同的测量条件下;天线旁瓣越低;旁瓣测量误差越大;
- The efficiency of broad band barrage Stand-Off Jamming (SOJ) is decreased quickly with such techniques as radar ultra-low sidelobe antennas and narrow-channel filter. 雷达天线超低旁瓣技术和压缩滤波技术使得宽带阻塞式远距离支援干扰的效能急剧下降。
- Realizing multi-step amplitude quantization of ultralow sidelobe phased array using constrained optimization 约束优化实现超低副瓣相控阵的多阶振幅量化
- Truncation error analysis of ultra-low sidelobe antenna planar near-field measurements 超低副瓣天线平面近场测量截断误差分析
- ultralow sidelobe 超低副瓣
- Wideband ultralow sidelobe 宽带超低副瓣
- Reception improved because of the new antenna. 接受效果因有新天线而得到改善。
- No antenna, no radio, we're back in the nineteenth century! 没有天线,没有无线电,我们回到十九世纪了。
- Equalized Sidelobe Antenna 均衡旁瓣天线
- You should fix the television antenna before receiving programs. 接收节目前,你应该先装天线。
- The reception is very poor. Let me adjust the antenna. 接收效果太差了。让我来调一下天线。
- Effect of random errors of planar near-field measurements with ultra-low sidelobe antennas on antenna far-field pattern 超低旁瓣天线平面近场测量中随机误差对远场方向图的影响
- Extend the telescopic antenna vertically. 竖直地伸张伸缩式天线。
- He said he would head the antenna with a ball. 他说他还要给天线安个圆头。
- He erected a television antenna on the roof. 他在房顶立了电视天线。
- They erected a television antenna on the roof. 他们在屋顶上架起了电视天线。
- Baidu service quality is ultralow super-low super-low!!! ><(百度服务质量超低超低超低!!!