Fading correlation modelling for troposcatter microwave propagation in array antenna detection applications

• DOI: 10.1049/iet-map.2016.0229
• Publication Date: 2016-12-20T02:20:39Z
• Authors: Mengnan Wang; Zhuang Wang; Jing Wang; Zhu Cheng
• Keywords: Spatial correlation; SIGNAL (programming language)

Microwave over-the-horizon (OTH) propagation through troposcatter is a valuable candidate for remote targets detection. Array antenna promising to handle the contradiction between real-time wide spatial coverage requirement and high gain capture weak scattering signal. The detection tactics performance of array receiving systems are significantly affected by fading correlation antennas, but there no analytical study which considers in passive sensing environments uncooperative targets. In this study, an method based on transfer function proposed derive channel correlation, result transmitter deviation spatial, temporal, frequency, angular separations antennas circumstances. addition, OTH signal model derived exploiting form covariance structure received signal, adding up with transmission loss. Existing experimental results validate correlations, simulation provided model.