| 1. | Type gtp002 and gtp002a l band coaxial isolators detail specification for
Gtp002 gtp002a型l波段同轴隔离器.详细规范 |
| 2. | Crrfa - 30 l band linac
波段射频加速器 |
| 3. | Detail specification for electronic components . type 3da505 l band silicon pulse power transistor
电子元器件详细规范. 3da505型l波段硅脉冲功率晶体管 |
| 4. | Aeronautical mobile satellite services communications ground earth station - general technical requirements c l band
航空移动业务卫星通信地面地球站总技术要求c l频段 |
| 5. | The purpose is to realize the wide - band , high - speed , low - phase - noise and low - cost frequency synthesis in l band
其主要要求是实现l波段宽带、快速、低相噪和低成本的频率合成器。 |
| 6. | The main work in this dissertation is as follows : 1 . have presented a scheme of l band wide band digital t / r module
本文所做的工作主要如下: 1 .提出了一种l波段宽带数字t / r组件的方案。 |
| 7. | It has large ratio of deploying / stowed volume . it may be used as sar antenna for small satellite or as other communication antenna of s or l band . the structural system configuration and key components design are described
它具有展缩比大，重量轻和频段宽等特点，可用于小卫星合成孔径雷达天线和其它s 、 l频段星载通讯天线。 |
| 8. | Rthk tested dab in l band in 1998 . since then , dab technologies have undergone improvements ; rthks current test of dab vhf band iii is expected to offer a better indoor and outdoor performance . moreover , the price of the receivers has gone down substantially
港台于1998年测试dab时，是以l频带l band进行，这几年来dab技术上有所改进，今次dab测试极高频带vhf band iii ，相信有较佳的室内和室外接收的效果，而接收器的价格也经已回落。 |
| 9. | Meanwhile a valuable conclusion that general cylindrical box type windows with dielectric disks made of al2o3 ceramic can be used to transmit cw of higher power than 120kw and workable relative bandwidth may achieve about 14 % in l band , is made by calculated results of some typical examples
同时，通过计算一些典型的实际问题得出了一个具有重要价值的结论：在l波段，采用al _ 2o _ 3陶瓷窗片的普通圆柱盒型窗可用于传输120kw以上的高功率连续波，并且具有14左右的可工作相对带宽。 |
| 10. | Then , detail discusses were given on . finally , on the basis of above analysis and research , by comparing various design methods , a l band agile frequency synthesizer with 256mhz bandwidth and 1mhz resolution was designed , whose switching time was within 4 us . however , the spur performance is to be improved
最后,在对各种捷变频技术综合分析和研究的基础上,经过反复的方案比较论证,设计了一个l波段256mhz带宽,步进为1mhz的捷变频频率合成器,捷变时间在4 s以内,不过杂散指标还有待进一步改进。 |
