The design and measurement of a power detector circuit based on the 0.15-μm GaAs
pHEMT technology and its usage in complex cross correlation measurement are presented …

We present a 64-channel 1-bit/2-level cross-correlation system for a passive millimeter wave
imager used for indoor human body security screening. Sixty-four commercial comparators …

Precise estimation of correlation or similarity between two random variables lies at the heart
of signal detection, target localization and pattern recognition. In this paper, we show that …

Six-port technology has been widely used in microwave systems, such as interferometric
passive imaging. In this paper, an integrated Ka-band (32–36 GHz) six-port chip based on …

In this paper, the design, fabrication, and measurement of a compact broadband (4–8 GHz)
analog complex correlator for a passive millimeter-wave imaging system are presented. To …

A 128× 128 cross-correlator for radiometric imaging using interferometric aperture synthesis
is presented in this article. It can achieve a landmark performance of 16.384 trillion …

Human body temperature is a fundamental physiological sign that reflects the state of
physical health. It is important to achieve high-accuracy detection for non-contact human …

Digital correlator is the central signal processing unit for an interferometric radiometer
system. The core function of the digital correlator is to quantitatively measure the correlation …

The satellite-borne synthetic aperture microwave radiometer utilizes multiple antenna pairs
to form baselines for detecting the brightness temperature signal of the target. Compared to …

Passive imaging using Interferometric Aperture Synthesis requires intensive signal
processing to form an image, with correlation as its core operation and the most compute …