The upcoming U.S.–India NISAR (NASA-ISRO Synthetic Aperture Radar) mission will observe Earth like no mission before, offering insights about our planet's ever-changing surface.
A Chip-Scale Atomic Clock (CSAC) is an essential reference for these systems, providing the necessary precise and stable timing where traditional atomic clocks are too large or power-hungry and where ...
In the early 1970s, the Cold War had reached a particularly frigid moment, and U.S. military and intelligence officials had a problem. The Soviet Navy was becoming a global maritime threat—and the ...
In that same way, the pulse reflects off precipitation and sends a signal back to the radar ... Radars are now used to help navigate ships in fog and airplanes in bad weather. Radar can detect a ...
Passive radar—which uses signals ... recorded that go far beyond detection." The satellite mega-constellations are permanently available as a signal source. The electromagnetic signals are ...
In the literature [1], Chen Xingbo proposed a scheme that uses the LFM as the MSK carrier to form a new MSK-LFM signal. It both had radar detection function and communication function, then he ...
The stock market is flashing an under-the-radar bullish signal that suggests the ongoing rally is set to stretch into 2025. The signal is simple, but powerful: the outperformance of risk-on stocks ...
Overall, the advancements in GNSS signal processing reflect a concerted effort to enhance the reliability and efficiency of satellite-based positioning systems, particularly in challenging ...