Abstract: This paper introduces a computationally intensive method for measuring distance at high measurement rates using chaotic pulse-position (CPPM) signals and single-bit signal processing in a ...

The breakthrough positions China among a handful of nations mastering high-precision lunar-distance ranging, which experts say is critical for future lunar missions and deep-space navigation. "This ...

The attenuation coefficient distribution and sound velocity distribution in the breast can be used to complement B-mode ultrasound imaging in the detection of breast cancer. This study investigated an ...