Among the most powerful techniques for the exploration of the Universe is very long
baseline interferometry (VLBI), which is based on the simultaneous observation of radio …

The **dalee Operational Radar Network (JORN) is a network of three over-the-horizon
radars providing wide area surveillance to the north of Australia at ranges of 1000 to 3000 …

The past two decades or so have seen the once futuristic Next-Generation Skywave Over-
the-Horizon Radar become a reality. The performance improvement challenges set in the …

Over-the-horizon radar has been used for military purposes since the 1960s. Several
nations have developed and deployed a range of designs, and progress continues today …

This study proposes a set of mathematical formulations to model a microwave interferometric
structure to stabilize a free-running oscillator. The microwave interferometric structure …

OTHR is a capable radar technology, with many future developments to come. The ability to
use radar to create high-quality information over such a distance is a technological marvel …

频率源的相位噪声水**直接制约雷达的性能上限, 因而低相噪频率合成技术是高性能雷达系统的
一项关键技术. 现有低相噪频率合成方法常用高次倍频实现, 整体性能上严重依赖于低相噪晶振 …

The blown idiophones are musical instruments in which a reed in a form of a thin bar having
its own stiffness takes the role of the vibrator and a stream of air the role of the actuator. The …