Wireless surface acoustic wave (SAW) sensors have some unique features that make them
promising for industrial metrology. Their decisive advantage lies in their purely passive …

Although a lot of research has been done into radar-based heartbeat detection over the past
few years, it is still unknown which physiological effects truly underlie these measurement …

This paper suggests the usage of an optimized structure of the embedded wafer-level ball
grid array technology for millimeter-wave antennas-in-package. Multiple antenna arrays in a …

In this article, a six-port reflectometer is proposed, which utilizes nonmatched power
detectors. In the presented solution, the signals reflected from power detectors are efficiently …

Contactless sensing plays an important role in today's highly automated industrial
environment, as modern sensors allow for an increased product quality in high-speed …

Radar interferometry is widely used for detecting versatile displacement motions. The
conventional techniques for motion extraction depend on the quadrature signals, and the …

The Six-port network is known for its high phase resolution and is therefore an interesting
candidate for precise displacement sensors. This work gives an overview of Six-port …

This article presents a new approach to calibrate six-port radar systems without the need for
well-known target positions or calibration standards. Due to an extension of an ellipse …

A six-port calibration technique utilizing matched load and unknown calibration loads having
arbitrary magnitude and phase is proposed. A detailed description of the proposed …

A microwave sensor realized in monolithic technology, intended for permittivity estimation
with the use of a highly sensitive coupled-line section, is presented in this paper. It also …