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In this paper a novel 61GHz radar sensor node for industrial positioning and distance measurement is presented. The sensor provides numerous functions enabling a broad range of signal processing technologies and is designed with regard to cost-efficient implementation only using commercial available components without limiting the area of possible applications. Beside the requirement analysis and...
This paper describes a new method for high accuracy determination of instantaneous frequency and linearity of frequency modulated continuous wave systems. The presented setup reduces the frequency measurement to a phase measurement based on Six-Port interferometer with a delay line. To extend the range of possible input frequencies and power levels, a calibration method and the appropriate correction...
Sensor elements play an important role in future manufacturing plants. This paper presents a solution for a foil thickness sensor for running production lines. Based on the elaborated Six-Port principle, a differential measuring concept is proposed and discussed. Furthermore, an end-fire antenna design for the addressed application is demonstrated and far-field measurement results are shown and compared...
Radar sensors play a key role in today's industrial automation. Being an alternative to frequency modulated continuous wave radar, Six-Port based radar sensors recently attracted the interest of the community as well as of the industry. This paper presents a 61 GHz Six-Port radar sensor for ultra-short range applications and a dedicated substrate integrate waveguide fed tapered slot antenna design...
Radar sensors play a key role in today's industrial automation. Besides high accuracy, modern radar sensors have to feature high precision as well as challenging update rates. Six-Port wave correlators enable high phase resolution at high frequencies and therefore a high accuracy in radar applications. A low-cost Schottky diode detector applied to a substrate integrated waveguide (SIW) Six-Port is...
The Six-port concept has been investigated in the last decades for numerous applications. Besides the use in network analyzers, communication transceivers and direction-of-arrival detectors the Six-port has also been applied in radar systems. Due to its excellent phase discrimination capability, Six-port radar features high range resolution and is therefore predestined for precise displacement and...
Position measurement plays an important role in industrial process technology. Hereby, a waveguide based position sensor system for industrial applications is described. The proposed system features a Phase Locked Loop controlled 24 GHz signal source, an interferometric Six-Port receiver structure, a radar coupler, and a terminated quasi-TEM parallel plate waveguide structure. Furthermore, the system...
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