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、卫星及特殊用途
雷达
等毫米波信号, 27MHz-40GHz 9v/m-4000v/m 19C型 特殊高强度测量探头 电场 300MHz-50GHz 9v/m-614v/m 33C型 脉冲
雷达
测量专用探头
【项目探讨】箭载无线电信标及飞行轨迹监控
bg2bhc
11年11个月前
回复于
无线电
内容:另外,楼主贴的
雷达
,和sar可不是一回事哦。。
[转载悬赏翻译] DIY FMCW雷达、MIT开放课程里的SAR合成孔径雷达
wzh19940105
4年3个月前
回复于
无线电
内容:后来硕士也真的是做
雷达
去了,如果现在有需要的话我可以翻译一下1楼的东西。
[图]前两天90元购得旧微波炉一台……………
stitch
15年3个月前
回复于
EMP和强微波
内容:很早就想要做
雷达
(不是电磁武器)。。。
普通微波炉磁控管能否pwm调制脉冲工作
我说要有光
8年0个月前
回复于
EMP和强微波
内容:引用 rb-sama:可以参考一下老式
雷达
的调制电路。
堵车疏导报警器
玄明
14年8个月前
发表于
极客DIY
内容:所以我设想了这种疏导警报器,它的主要部分就是一个小
雷达
(很多车上已经有类似的
雷达
了),当它发现前面没有车辆挡路时便会报警。
汽车立体影像系统
ehco
11年10个月前
回复于
极客DIY
内容:俺朋友的BMW上已经装了超声全景
雷达
,倒车啥的NB惨了。
匹配滤波在业余无线电中的应用
bg2bhc
12年6个月前
发表于
无线电
内容:这学期学了两门
雷达
的专业课,多次学到了脉冲压缩、匹配滤波等用于处理大时宽-带宽积的处理技术,理论上可以大幅度提高信噪比。
不锈钢丝网能否作为反射面
全能杀手
17年8个月前
回复于
电子技术
内容:我以前一时头昏确实花了七十多银子买了本
雷达
天线设计 ~~~~ 只是问下
DIY一台玩具级的微波雷达
bg8npk
7年8个月前
回复于
无线电
内容:隔离度如何影响到
雷达
的性能?
外国人为何老来华非法测绘?
季节逝去
9年2个月前
回复于
地理与地质
内容:合成孔径
雷达
和光学仪器测的数据,在平面坐标上已经非常精确了,这些在国外早就是见惯不惊的东西。,首先坐标体系和起算点不同,要在中国得到准确的信息必须实地测绘,其次,用他们的坐标系无法准确的与中国公布出的地图耦合,然后,”合成孔径
雷达
和光学仪器测的数据,在平面坐标上已经非常精确了“,你了解他们怎么测的数据吗
机器狗
novakon
9年1个月前
回复于
极客DIY
内容:这个东西是用激光
雷达
或者线阵ccd,放在头顶上旋转扫描来观察四周的。
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:我这边应用主要是岸基
雷达
,部署在渔港上的
一种隐形飞机的构想
ppa2001
9年9个月前
回复于
极客DIY
内容:隐形主要是对
雷达
,而不是人眼,几千米高度,人完全看不到飞机。。
一项关于减少撞车伤害的系统的设想
abednego
9年8个月前
回复于
极客DIY
内容:只要
雷达
感知到必然碰撞,就打开。
短距毫米波雷达测试成功
loongsky
8年10个月前
回复于
无线电
内容:我最近准备diy个
雷达
,准备做fmcw类型的,在考虑 是 x band 还是 s band,,,x band 手头有成品vco,,s band 射频元件价格低 功率能上到几百w。
[转载悬赏翻译] DIY FMCW雷达、MIT开放课程里的SAR合成孔径雷达
wzh19940105
4年3个月前
回复于
无线电
内容:DIY
雷达
还真就FMCW比较合适 目前有比较成熟的产业链 各种需要的东西都能买还不贵见过kc里面有大佬搞过SAR的 感觉这个比FMCW好玩多了
『原创』汽车行车雷达设想(非倒车雷达)
虎哥
16年2个月前
回复于
极客DIY
内容:估计可以安装一个坦克
雷达
或者步兵
雷达
,问题是要求扫描速度快,至少在100ms级。
请问下~我想弄个能烧掉飞行中的蚊子的激光器
kevin
13年5个月前
回复于
强激光
内容:非常精确的
雷达
系统,测距系统和对焦系统,不然你啥都别想打下来。
[冷新闻]宇航员在太空的难题..
kevin
15年8个月前
回复于
天文与空间科学
内容:你快点给我用那个什么
雷达
给我传一个过来。。
诸位看后有何感想?
ddk3d
16年6个月前
回复于
电子技术
内容:好象昨天晚上动物秘籍演的 只是一个反射
雷达
信号的天线 只是监视活动路线
看了93的多普勒测速系统,想到一个测火箭速度的方法
warmonkey
13年4个月前
回复于
喷气推进
内容:E9%CE%E5%20%20%20%CE%A2%B2%A8%B6%E0%C6%D5%C0%D5%D0%A7%D3%A6%BA%CD%B2%E2%CB%XXXXXc就是一个再标准不过的大学实验而已火箭上放个
雷达
反射器,如果结构合适,
雷达
反射面达到10m2都是有可能的。,其实,本质上来说,转发器和
雷达
反射器是一样的
趋肤效应可用于隐身技术
异想添k
10年4个月前
发表于
航空技术
内容:
雷达
就是通过接收金属外壳的飞机、导弹表面的反射波来探知这些飞行物的飞行轨迹。 ,由此设想,我们给金属外壳的飞机、导弹表面涂或镀一层电导率小的材料,那么主动
雷达
发射来的高频电磁波将会有大部分被吸收掉,少部分被反射,当反射电磁波的场强小于接收
雷达
的灵敏度时,对接收
雷达
来说为不可见,即实现了飞机
难道搞微波的就这么冷清
zx-16533
7年0个月前
回复于
EMP和强微波
内容:引用 visualtry:可以看看日本原装的古野航海
雷达
磁控管。
短距毫米波雷达测试成功
refinder
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...
不锈钢丝网能否作为反射面
hamdad
17年8个月前
回复于
电子技术
内容:楼上的准备DIY
雷达
系统吗?
一种室内三维扫描仪的设想
Cola_B
4年9个月前
回复于
极客DIY
内容:这是初代激光
雷达
的模型,将激光测距模块360度旋转,然后再做一个升降机构
【原创】内外兼杀的杀毒软件
yy+sy
16年0个月前
回复于
极客DIY
内容:当然可以安上1mol微型感应
雷达
和1mol微型聚焦x射线发生器,效果极好。
关于电子双缝干涉实验的疑问
Leonard
4年11个月前
回复于
极客DIY
内容:发现一个新名词,量子
雷达
,查了一下,貌似不是空话,原理应该和我说的不同吧。
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