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约找到 735 条结果,耗时 0.321 秒
雷达
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注册时间:2012/2/12 21:42:47
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雷达
扫描在未知环境中建立地图自主规划路径。
5.8G FMCW式
雷达
的低成本实现总结报告 :(
GiroPetrenko
4年7个月前
发表于
无线电
摘要:本文章致力于设计一款低成本(硬件成本<1000人民币),简易(基本形式),主要工作在C波段(此设计为5.8GHz,有宽带发射、接收能力)的调频连续波(FMCW)
雷达
。
飞秒激光器 onefive gmbh origami-10
北京杰哥
3年0个月前
发表于
跳蚤市场
摘要:钛蓝宝石锁模 尖端科技 资料百度查到的,Onefive超快激光器主要应用于CPA系统飞秒种子源、太赫兹、双光子显微、超低相位噪声时钟、光学频率疏、超连续谱产生、光学相干断层扫描、激光
雷达
(LIDAR)、
业余
雷达
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6年11个月前
相控证
雷达
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注册时间:2015/2/7 21:20:30
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6年11个月前
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最后活动:
6年11个月前
『原创』汽车行车
雷达
设想(非倒车
雷达
)
wenyue
16年4个月前
发表于
极客DIY
内容:设想生产一种低成本的汽车
雷达
,能够探测前方100米内的距离的障碍物,使用声音和液晶屏现实的方式进行报警。,最好能够设计GPS的接口,
雷达
与车载GPS配合,方便在大雾中辩明方向和道路,又能查看到前面障碍物的情况,满足汽车在大雾中以20-40KM时速安全通过的要求。,由于超声波的传输距离比较近,只适合用于几米范围的倒车位置判断,所以在倒车
雷达
中多采用这种传感器。,而行车
雷达
采用高频电磁波进行探测,这样距离远,传输的速度快。
[军事小资料]
雷达
发射机技术&
雷达
接收机技术
samhrc
12年11个月前
发表于
无线电
内容:[军事小资料]
雷达
发射机技术&
雷达
接收机技术
雷达
的制作
lytton513
16年10个月前
发表于
无线电
内容:各位都知道探测
雷达
,他是由天线,发射机,接收机,显示器和接收开关所组成,如果自己做一台简单的
雷达
,以上的东西能买到吗,我只知道,天线能.
[军事小资料]
雷达
接收机高频设备&
雷达
高频传输系统
samhrc
12年11个月前
发表于
无线电
内容:[军事小资料]
雷达
接收机高频设备&
雷达
高频传输系统
雷达
测距原理
叶排长
15年0个月前
发表于
无线电
内容:看见坛子里不少友友已经从火箭发展到导弹了希望对日后火箭电子化有帮助就发一个
雷达
资料
MIT
雷达
历史与原理 讲座
RodTech
2年1个月前
发表于
无线电
内容:v=d76Uq2FW9QI 着重于介绍天文
雷达
,但是涵盖普通
雷达
JRC海事
雷达
调制组件
UECMITSUI
3年2个月前
发表于
无线电
内容:今天收到一台JRC的海事
雷达
高频前端,使用脉冲高压变压器驱动磁控管,脉冲功率25kW,脉冲宽度1uS,平均功率15W左右。
2.4G FMCW
雷达
可行性?
wacke
9年3个月前
发表于
无线电
内容:2.4G现在大量被使用,现在的模块价格已经很便宜了,定向天线,VCO,功分器,放大器等,而且都很便宜,测试也比较方便,是否可以考虑做一个2.4G的
雷达
,我觉得也不会很贵。
出F16战斗机
雷达
行波管
苦丁茶
3年7个月前
发表于
跳蚤市场
内容:AN/APG-68
雷达
的行波管,全新备件。
关于
雷达
隐形的想法
marix
14年4个月前
发表于
极客DIY
内容:对
雷达
波是否也可以用类似的技术,抵消反射的电磁波?
有没有研究过FMCW
雷达
的大牛
hanyuex
9年7个月前
发表于
无线电
内容:求教大牛,fmcw
雷达
如何检测角度
DIY简易5.8G FMCW
雷达
zx-16533
5年10个月前
发表于
无线电
内容:原理:
雷达
发射带宽为Bw,长度为T的线性调频信号,则$$ s(t)=\exp(k\pi jt^2){\rm rect}( \frac{t}{T}) $$其中$$ k=\frac{Bw}{T} $$ 为信号调频率若为正扫频,此设计通过PLL+VCO产生高线性度的LFMCW信号,混频后使用一个二阶的有源高通滤波器去除馈通,二阶巴特沃兹滤波器提供40dB/dec的滚降,正好能补偿
雷达
回波随距离的四次方衰减,降低后级信号处理电路的动态范围需求
[军事小资料] AN-TPS43E
雷达
资料样本
samhrc
12年11个月前
发表于
无线电
内容:[军事小资料] AN-TPS43E
雷达
资料样本
DIY一台玩具级的微波
雷达
ddomax
7年8个月前
发表于
无线电
内容:
雷达
原理 什么是
雷达
?,如今
雷达
的含义包括但不限于上述定义。,怎样搭建一台最简单的
雷达
?,其次,使用
雷达
方程,首先需要对
雷达
目标的属性有精确的描述。,可惜这样的连续波
雷达
并不适用于动目标检测和
雷达
成像等应用。
[重来] 5.8GHz 测距
雷达
GiroPetrenko
4年10个月前
发表于
无线电
内容:中频滤波放大:完全抄袭MIT的咖啡罐
雷达
,把MAX414换成更加现代的运放。
[军事小资料] AN-FPS-8
雷达
技术手册
samhrc
12年11个月前
发表于
无线电
内容:[军事小资料] AN-FPS-8
雷达
技术手册
开大坑:UHF FMCW 二维搜索
雷达
GiroPetrenko
5年2个月前
发表于
无线电
内容:intro:最近莫名对
雷达
起了兴趣,虽然对射频电子了解仅限于FM话筒和收音机,仍然想试试。,参考了 XXXXXXXXXXXXXXXXXXXXXXXX/t/83594 中的设计,以及MIT的咖啡罐
雷达
。
860
雷达
波导转换开关一件(拆机件)
samhrc
14年5个月前
发表于
无线电
内容:860
雷达
波导转换开关一件,好的,150元。
用arduino制做超声波
雷达
布布卡
11年4个月前
发表于
电子技术
内容:先看这贴 [创新资料]自制USB
雷达
------------ 架设你自己的导弹防御系统XXXXXXXXXXXXXXXXXXXXXXXX/t/54197 之后查找了资料 发现有processing编写的上位机于是
微波炉磁控管改造
雷达
refinder
9年9个月前
发表于
无线电
内容:第二个相当于连续波
雷达
,利用磁控管的随机性进行信号处理。
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