An analysis of a 700-year-old ring reveals a unique reddish-purple sapphire set in 18-karat gold with a lion decoration.

FLORENCE — A Bitterroot Valley bowhunter using a remote motion-detecting camera has inadvertently captured some astonishing images of wildlife in the Sapphire Mountains that would make even ...

Teledyne e2v is excited to announce the Sapphire EV76C541 wide-VGA format CMOS image sensor. A potential replacement for traditional industrial CCD sensors, it is ideally suited for applications ...

Learn more about how radar works Doppler radars not only perform this function, but they are also able to measure the speed of movement of the reflecting particle as well. Generally as precipitation ...

This paper introduces a workflow for vibrationinduced micro-Doppler estimation in spaceborne SAR images for infrastructure monitoring. The processing begins by dividing a complex SAR image into ...

Azimuth ambiguity is widely found in spaceborne synthetic aperture radar images, which seriously affects the detection and determination of images and targets. Excellent antenna pattern and beam ...

The results of the present study indicate that proximal jet size by Doppler color flow mapping correlates well with independent measures of regurgitant volume and fraction by quantitative Doppler ...