Five Two Simplex Challenge starts now! | Page 8 | QRZ Forums
Mar 1, 2026 · Five Two Simplex Challenge starts now! Discussion in ' Amateur Radio News ' started by N2MAK, Mar 1, 2026.
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...
Five Two Simplex Challenge starts now! | Page 4 | QRZ Forums
Mar 1, 2026 · Five Two Simplex Challenge starts now! Discussion in ' Amateur Radio News ' started by N2MAK, Mar 1, 2026.
Five Two Simplex Challenge starts now! | Page 6 | QRZ Forums
Mar 1, 2026 · Five Two Simplex Challenge starts now! Discussion in ' Amateur Radio News ' started by N2MAK, Mar 1, 2026.
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...
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 …
QRZ Forums
Jul 19, 2023 · QRZ Newsroom Articles of interest to radio amateurs around the world.
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 …
为什么叫“单纯形“？这个名字有什么意义 - 知乎
Oct 11, 2013 · 单纯形 是二维的三角形，三维的四面体，在任意维度的推广。n-维单纯形是一个有 n+1 个顶点，n+1 个面 (facet) 的多面体。这个词译自英语 simplex，「单纯」其实意味着基本，因为他是组 …
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 …