Spacecraft navigation explained with radio tracking, optical systems, and autonomous methods that enable deep space ...

The positioning, navigation, and timing (PNT) information is fundamental to modern information systems. Over the years, people have invented many navigation systems to get PNT information, whereas ...

In a new update to his blog, Harvard astrophysicist Avi Loeb discusses the 'radio signals' that were once were thought to be from the interstellar object, 3I/ATLAS ...

The discovery of the rotational Doppler effect (RDE) has opened new opportunities for detecting parameters of rotating targets. In recent years, the physical mechanisms underlying this effect have ...

A Pentagon inspector general report concluded that Secretary of War Pete Hegseth sent sensitive, nonpublic strike information over the encrypted app Signal using his personal phone, a violation of ...

The works referenced in the doppler odometry example (section 9.2.1) have a notable oversimplification in that they neglect the translation component of the extrinsics between radar sensor and IMU.

Crypto signals are alerts that prompt you to buy or sell cryptocurrency or try a new strategy. Signals can be based on technical or fundamental analysis done by a human analyst or artificial ...

POWER Doppler ultrasound may provide important signals in predicting treatment response for patients with rheumatoid arthritis (RA), though its ability to forecast remission remains uncertain, ...