Abstract: This paper describes a new method for improving the azimuth accuracy of range information using conventional (Polaroid) low-resolution ultrasonic sensors mounted in a circular array on a ...

THIS book is an improved version of the type of text-book on elementary geometry that began to appear about thirty years ago. It is carefully written and the supply of exercises is better than in some ...

Abstract: This paper presents a new coverage formulation addressing the quality of service of sensor networks that cooperatively detect targets traversing a region of interest. The problem of track ...