Santa Net is an annual December event where licensed amateur radio operators use RF and EchoLink technology to connect children with Santa Claus on the airwaves.
Radio Signals MeerKAT’s 64-antenna array in South Africa detected hydroxyl absorption lines at 1665 and 1667 MHz—the same “water-hole” frequencies long proposed for interstellar communication. Harvard ...
Anything with a laser has undeniable hacker appeal, even if the laser’s task is as pedestrian as sending data over a fiber optic cable. [Shahriar] from [The Signal Path] must agree, and you ...
ROSHARON, TX / ACCESS Newswire / October 29, 2025 / Signal Advance, Inc. (OTCID:SIGL) announced new test results confirming that its patented Analog Guard® encryption system resists decryption by ...
AIM: To write a program for Frequency Modulation and Demodulation using SCILAB and to observe and measure the frequency deviation and the modulation index of FM. Frequency modulation is a type of ...
The results by Zhu et al provide valuable insights into the representation of border ownership in area V1. They used neuropixel recording to demonstrate the clustering of border ownership, and ...
1 Merchant Marine College, Shanghai Maritime University, Pudong, China 2 Shanghai Ship and Shipping Research Institute CO.LTD, Shanghai, China Autonomous Identification System (AIS) enables unmanned ...
Abstract: Deep learning has been extensively used in radar signal modulation recognition, leading to significant improvements in accuracy. For supervised methods, the recognition performance mainly ...
Figure 1: Typical applications of metasurfaces in wireless communication include: RIS (Reconfigurable Intelligent Surface-based Wireless Relay Systems), Digit (Digital-Coded Metasurface-Based ...
Center for Nanoscience and Sustainable Technologies (CNATS). Department of Physical, Chemical and Natural Systems, Universidad Pablo de Olavide, Sevilla 41013, Spain ...
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