Microwave technology plays a more important role in modern industrial sensing
applications. Pushed by the significant progress in monolithic microwave integrated circuit …

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 …

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 …

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 …

Six-Port microwave interferometers are a low-cost as well as low-power type of radar sensor
with a high phase accuracy, which can be used for precise displacement measurements …

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 paper presents an in-situ detector characterization and calibration method for
differential I/Q Six-port radar systems. A separate calibration of the nonlinear detectors and …

In this letter, we demonstrate a digital correction method for extending the dynamic range of
a six-port radar system based on detector diodes. An individual diode gain is considered to …

This paper presents a vector topology of a monolithic microwave integrated circuit (MMIC)
capable of performing several radiofrequency (RF) functionalities essential for future …