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- dual frequency array antenna 双频段阵列天线
- Synthesis of the dual frequency array by the nonlinear least square method 双频阵列天线方向图的非线性最小二乘法综合
- Thanks a lot. I will take a look. is it for array antenna? 沙发大中小发表于2008-4-1822:14只看该作者看帖回帖是一种美德，您的回帖是对楼主最大的支持
- The sectored array antenna is applied to the base station of TD SCDMA. 该天线阵列用于TD SCDMA基站系统中。
- The frequency characteristic of the admittance of radiating slot and the waveguide wavelength of radiating waveguide is the main factor that influences the bandwidth of the slot array antenna. 摘要辐射缝隙导纳及波导导内波长的频率特性，是影响裂缝天线带宽的主要因素。
- Synthesis of the Dual Frequency Circular Antenna Array by the Nonlinear Least Square Method 采用非线性最小二乘法实现双频圆形天线阵的方向图综合
- The digital beamforming (DBF) of the phased array antenna is a key technology of the smart antenna. 阵列天线的数字多波束形成技术是智能天线中的一项重要技术。
- A microstrip array antenna is designed and manufactured to work as the feed of the Cassegrain antenna system. 研制了一个用作卡塞格伦天线系统的馈源的微带天线阵。
- The large flange welded by using EBW has been successfully used in the array antenna of new radar. 采用电子束焊完成的大型法兰已成功地应用于某新型雷达的阵列天线。
- If this film series is used in He Ne laser, the dual frequency laser with 5MHz beat will be produced. 此膜系用于氦氖激光器 ,可制出频差为 5 MHz量级的双频激光器。
- In this paper, a new phased array antenna calibration technique-Mid-field Calibrating Technique (MFCT) is presented. 摘要提出一种相控阵天线中场校正新技术。
- The Rafale currently uses a passive array antenna for air-to-air and air-to-ground use. 目前，“阵风”战斗机的空空和空地探测使用的是被动阵列天线。
- For improving SAR's ECCM capability adoption of phased array antenna with large aperture is one of effective measures. 为了改进合成孔径雷达的ECCM能力，采用大孔径相控阵天线具有重要意义，是有效的措施之一。
- Dual frequency and amplitudes vibration system may obtain optimal compaction for different quality and course materials. 振动系统：双频率和双振幅设置，保证了整机在压实不同性质、不同厚度的铺层时，均可达到最佳的压实效果；
- In this paper, Genetic algorithm is used to design the sectored array antenna in smart antenna system. 使用遗传算法(GeneticAlgorithm)设计了智能天线系统前端的扇区天线阵列。
- In order to improve target detection performance and anti-stealth ability for modern AEW radar, this paper presents a solution of dual frequency aperture sharing. 为了进一步提高现代机载预警 (AEW)雷达的目标检测及反隐身能力 ,本文提出双频带孔径共用的实现策略。
- The method of measuring deep soil moisture by VHF/UHF dual frequency multiple polarization Synthetic Aperture Radar (SAR) consisting of vector network analyzer is proposed. 该文提出了利用由矢量网络分析仪构造的VHF/UHF双频、多极化合成孔径雷达(SAR)测量深层土壤湿度的方法；
- The bandwidth characteristics of subarray excited devices have important influence on the beam bandwidth and VSWR bandwidth of a planar array antenna. 子阵激励装置的带宽特性对平板裂缝天线的波瓣带宽和驻波带宽有着重要影响。
- It has BIT function.It's suitable for limited array antenna.Through modularized composing, it's also suitable for large phased array antenna. 它对有源相控阵天线系统有很好的通用性，通过模块积木式组合，也能适应大阵面相控阵天线系统的要求。
- In order to study the optical feedback characteristics at the dual frequency laser, a birefringent external cavity was studied throughboth theoretical analysis and experiments. 摘要为了研究双频激光器的光回馈特性，采用双折射外腔光回馈的方法，进行了理论分析和实验验证，取得了双频激光器中条纹倍频现象的数据。
