
Five Two Simplex Challenge starts now! | QRZ Forums
Mar 1, 2026 · In an effort to promote 2m FM simplex, I've launched the Five Two Simplex Challenge. It's simple, just call on on 146.52 MHz FM for 52 days in the...
New 2-Meter Simplex Club - QRZ Forums
Oct 28, 2007 · Announcing The Simplex Experience - An Amateur Radio 2-Meter FM Direct Communications Association. Our goal is the creation and/or expansion of LOCAL...
simplex | QRZ Forums
Feb 21, 2021 · simplex Thread Ohio ARES VHF+ Simplex Contest as Training Every January, the ARRL Ohio Section ARES program coordinates a VHF+ Simplex Contest. It's not "just another" contest or a …
如何直观理解Nelder–Mead(又名 downhill simplex)方法?
如何直观理解Nelder–Mead(又名 downhill simplex)方法? 对于非线性的函数,希望从某个猜测的初始值开始找出它的最小值。 Nelder-Mead方法解决这种问题时的思路是怎样的? 这种方法的收敛速度 …
线性规划问题的复杂度为多少? - 知乎
我认为Simplex Algorithm的时间复杂度还是目前仍然正在研究的一个问题。 对于大多数选轴规则 (像决定哪些变量进入和离开的基本规则),存在具有指数计算时间的线性程序的反例。 是否存在一个选轴规 …
2m mobile | QRZ Forums
Jan 27, 2020 · 2m mobile Thread There's still life on 2m FM Simplex! Me up a local hill last week... [MEDIA] Thread by: G5TM, Jan 27, 2020, 4 replies, in forum: Videos, Podcasts, & Blogs Showing …
HamRadioNow: Do NOT Call CQ on Repeaters - QRZ Forums
Apr 14, 2017 · 70+ frequencies in my 2m radio memory in the shack, including 5 simplex ones. Sometimes while chasing HF I will have the radio on scan, it may go 3 hours and only hear an …
Minecraft 的地形生成算法是什么? - 知乎
Minecraft 的地形生成非常强大,湖泊,沙漠,森林,而每个地图都由一个种子生成,相同的种子(一个字符串…
运筹学(最优化理论)如何入门? - 知乎
学运筹学之前,在知乎查过运筹学入门方面的问题,没有得到想要的答案。现在过运筹学了,自己提问,自己回答。 涉及到专业入门书籍、资料的推荐,因为萝卜青菜各有所爱,难以保证所推荐的适合 …
什么是单纯疱疹病毒(HSV)? - 知乎
简介 单纯疱疹病毒(Herpes simplex virus, HSV)属于疱疹病毒科、α疱疹病毒亚科,有HSV-1和HSV-2两种亚型。HSV基因组为约152 kb的线性双链DNA,由共价连接的长片段(UL)和短片段(US) …