UHV/VHF传播区..V段(144.00~148.00MHz) 这是典型的VHF频段,是一个非常活跃的本地移动通讯频段。对这个频段的信号电离层基本不产生反射,电波以直射波视距传播为主,传输中遇到有大楼房或山体等,会产生反射
感量 0.18UH高频电感 数量 200 可售卖地 全国 型号 VHF100505HQR18JT 【购买须知】 1、代理风华全线产品十七年,现货超 2亿只。风华授权证书编号:FHJXS201911 2、整盘销售,不拆盘。 3、如需一年内出厂新货,请联系在线客服查询库存。 价格说明 价格:商品在爱采购的展示标价,具体的成交价格可能因商品参加活...
阿里巴巴MRA-135短波电台小环天线20W适用各种短波电台HF·FM·VHF·UH,收音机天线,这里云集了众多的供应商,采购商,制造商。这是MRA-135短波电台小环天线20W适用各种短波电台HF·FM·VHF·UH的详细页面。货号:HT112,品牌:Huotui,型号:短波天线,增益:10,频率范围:100K
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Retrieval of subsurface soil moisture using SAR observation at UHF/VHF bandsUHV/VHF波段SAR对次地表层土壤湿度探测与反演土壤湿度UHE/VHF SAR次地表层首先采用一层非球形粒子植被模型,计算各波段矢量辐射传输方程Mueller矩阵一阶散射解,对比微扰法所得各波段地表粗糙面直接后向散射解,结果证明L波段植被层的散射对...
VHF & UHF Model Number PD710ex Dimensions 141x55x37mm Frequency Range 350-400MHz 136-174MHz 400-470MHz Water Resistance Level IPX7 Warranty 12 Months Operating Voltage 7.4V (rated) area capacity 16 Battery 1800mAh weight 485g Explosion-proof level ...
Chierda CD-108D cheap 10W uhv/vhf long range price in bangladesh 16 channels walkie talkie, You can get more details about Chierda CD-108D cheap 10W uhv/vhf long range price in bangladesh 16 channels walkie talkie from mobile site on Alibaba.com
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