especially at microwave frequencies. What’s the radar enthusiast to do? While it’s not radar, subbing in ultrasonic sensors is how [Dzl] built this sonar imaging system using a lot of radar ...

In a switched array system the transmit and receive ports of one low-cost radar sensor are switched (or multiplexed) across an array of antenna elements using microwave switches. Data from each ...

"We know microwave radar shows great promise for this ... by measuring the length of time taken for the microwaves to return to the sensor, the distance to each material in the wall can be ...