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内容:海事
雷达
不是连续波,在发射和接收之间是交替的。
气象仪器和观测方法指南(WMO手册中文版)
fengyun
16年6个月前
发表于
大气科学
内容:(Sodars)(声达)22.2.2 风廓线
雷达
22.2.3 电—声探测系统(RASS)22.2.4 微波辐射计22.2.5 激光
雷达
(Lidars)(光达)22.3 直接测量22.3.1 气球跟踪22.3.2,26.1 概述26.1.1 天气
雷达
26.1.2
雷达
特性,术语及单位26.1.3 气象应用26.1.4 气象产品26.1.5
雷达
准确度要求26.2
雷达
技术26.2.1
雷达
测量原理26.2.2 降水目标的
雷达
方程,26.2.3 常规天气
雷达
26.2.4 多普勒
雷达
26.2.5 不同的偏振
雷达
26.2.6 地物杂波抑制26.3
雷达
信号的传输和散射26.3.1 大气中的折射26.3.2 大气中的衰减26.3.3 云和降水引起的散射,26.3.4 晴空散射26.4 速度测量26.4.1 多普勒谱26.4.2 多普勒模糊26.4.3 垂直指向测量26.4.4 速度场的测量26.5 误差来源26.6 优化
雷达
特征26.6.1
雷达
的选择,
雷达
安装26.7.1 最优站址选择26.7.2 电信与远程显示26.8 校准和维护26.8.1 校准26.8.2 维护26.9 降水测量26.9.1 影响
雷达
测量的降水特征:Z-R 关系式26.9.2
行波管放大器 应用电路求助
zx-16533
5年4个月前
回复于
EMP和强微波
内容:这个东西是古代
雷达
接收机用的前放管子,各方面性能远远落后于现代固态LNA了。
自制USB雷达 --- 架设你自己的导弹防御系统
GEEKCH
10年10个月前
回复于
无线电
内容:超声
雷达
探测距离有点鸡肋了吧 而且 你不觉得用Arduino做更省事吗= =
最复杂的模拟电路是什么电路?
justinpiggy
10年0个月前
回复于
电子技术
内容:
雷达
电路很复杂吗?,图像处理电路不算复杂,现在的图像处理大部分都数字化了,普通
雷达
电路不能叫做复杂,但是各种技术要求很高,各种射频方面的要求,而且还牵涉到非常大功率的射频发射。
关于我党的天气预报!
S.D.P
12年4个月前
回复于
大气科学
内容:有全国的单站
雷达
图像,范围从300-500km不等,覆盖绝大数一线城市和省会城市以及部分普通城市的。。。
短距毫米波雷达测试成功
ppa2001
9年9个月前
回复于
无线电
内容:能否把微波炉的磁控管接波导做成
雷达
,我看了一下国内外,都有人打过微波炉的主意。,微波炉的功率轻轻松松就上100w,如果能做出好的波导和接收天线,还有信号处理算法,军用级别的
雷达
不是...
[原创]边干边写之——用STC51控制TFT(有图有视频)。。。
博海
12年0个月前
回复于
电子技术
内容:那
雷达
好玩啊
符合战猴“退学观”的经典案例:长数同学
warmonkey
1年8个月前
回复于
科学技术学
内容:航空航天,机器人,微波和
雷达
技术。。。
迷你微波发生器~~~~ 作工程发现的好东西
refinder
14年0个月前
回复于
电子技术
内容:这个可以做
雷达
MIT的利用电磁波对人进行定位,关键是不需要人携带任何发射器!
虎哥
11年2个月前
回复于
极客DIY
内容:被动
雷达
。
【KS-5C】第一部分 扫频信号源 介绍以及实现
量子隧道
1年8个月前
回复于
极客DIY
电子技术
内容:瞄了一眼那个PLL的ramp特性,这么粗糙的扫频,应该做不了FMCW
雷达
吧?
请问有什么实用的方法测量云层高度
miles
9年1个月前
回复于
极客DIY
内容:风廓线
雷达
一种新型的灭蚊设备
NERV
16年10个月前
回复于
极客DIY
内容:微波
雷达
,如果频率是800MHz,波长就是0.375m,这个对于蚊子来说,衍射现象会很明显(把一块石头抛入水里,激起的水波会绕过水中的物体,是为波的衍射)。,激光
雷达
也不错。
自杀式海面打击艇
c6h2ch3no23
10年11个月前
回复于
极客DIY
内容:qdhuojianren 发表于 2014-2-7 14:06 没用 一个小制导火箭弹就挂了不太现实,体积太小,命中率很低啊,而且表示这么小个东西,
雷达
反射面积多小,
雷达
都找不到,制导很困难啊,还不如多管火箭炮
短距毫米波雷达测试成功
心旅过客
8年8个月前
回复于
无线电
内容:英国有透视功能的微波成像
雷达
,可透过墙看室内布置,用于消防员及特种部队
一种新型的灭蚊设备
五毒散
16年10个月前
回复于
极客DIY
内容:哈哈,试问一下,现在什么样的
雷达
能够具备发现蚊子的能力?,更别说识别、跟踪了.即使是GHz
雷达
,恐怕也只能望蚊兴叹了.貌似目前除了高精度的光学成像系统,其它任何系统都不具备这样的能力吧!
生命探测仪
3636618
16年9个月前
回复于
仪器仪表
内容:baidu上找的是美国的 距离蛮远的 不知道效果怎么样好的话做成
雷达
一样扫描 那不牛死拉
小型直线加速器的意淫
zx-16533
5年9个月前
回复于
核技术与核仪器
内容:船用
雷达
的脉冲磁控管有这个波段的,似乎也不算特别贵不过功率貌似不够。。。
DIY无人机载C波段(5.8G)合成孔径雷达遥感成像平台
zx-16533
4年10个月前
回复于
无线电
内容:只算
雷达
硬件在2k多点。
气象相关网络资源地址
fengyun
17年11个月前
发表于
大气科学
内容:W_Pacific/[/url]这里也有一些[url]XXXXXXXXXXXXXXXXXXXXXXXXX/pub/data/imagess/[/url] 非常久远的云图,还能找到Tip的两张云图CMA-中国气象局的
雷达
拼图做的不错,还有[img]XXXXXXXXXXXXXXXXXXXXXXX/comm_img/XXXXXXXXg[/img][url]http://202.96.202.139/XXXXXXXXm[/url]美国的
雷达
图,[url]XXXXXXXXXXXXXXXXXXXXXXX/radar/[/url]其中还有关岛的
雷达
图。
超声波测距电路方案
养蚕者
18年1个月前
回复于
电子技术
内容:用在倒车
雷达
上呢?
请教下,自己采购组件实现这样一套雷达的组装可行吗?
turndown
2年4个月前
回复于
无线电
内容:这么便宜吗,我们询价一套
雷达
要二十来万欸,要捕捉10公里范围内的渔船。
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