Software decoder for FM/AM broadcast radio with AirSpy R2 / Mini, Airspy HF+, and RTL-SDR ...

A Nooelec Sawbird+ H1 acts as preamp and filter for the 1420-MHz hydrogen line signal, which feeds into an RTL-SDR dongle. Careful attention is paid to proper grounding and shielding to keep the ...

The value of the U.S. dollar in terms of the SDR is the reciprocal of the sum of the dollar values, based on market exchange rates, of specified quantities of the SDR basket currencies. See SDR ...

Family-controlled Schroders is focused on fund management, after selling its investment banking arm in 2000. It has two classes of share: voting (SDR) and non-voting (SDRC).

复数混频器、零中频架构和高级算法开发之间存在一种有趣的联 系。本文旨在明确以上三者各自的基本概念，即工作原理以及它们 给系统设计带来的价值，并阐述它们之间的相互依赖关系。 RF工程常被视为电子领域的黑魔法。它可能是数学和力学的某种 奇特 ...