Abstract
The generalized correlation integral for space-time signal processing at the output of a MIMO antenna system radio altimeter in the Earth’s surface reflections presence is obtained. The results of calculation of one-dimensional cross-section of the generalized correlation integral at an elevation angle with a known target range and two-dimensional crosssection of the generalized correlation integral «horizontal range-height» for specific surface reflection coefficient are presented.
Highlights
Since the beginning of the 2000s, MIMO technology based on usage of antenna arrays with transmitting elements, which emit orthogonal signals used in information transmission systems, has found application in small-size radars creating [1, 2]
Some example of calculating the cross sections of the generalized correlation integral by elevation and “distance–height” coordinates accompanied by specific surface reflection coefficient for a radar altimeter with MIMO antenna system are given in this paper
A characteristic feature of a MIMO radar in case of monitoring a target in the presence of surface reflections is that these reflections should be taken into account for all different propagation ways corresponding to all pairs «transmitting element – receiving element» separated in space
Summary
Since the beginning of the 2000s, MIMO technology based on usage of antenna arrays with transmitting elements, which emit orthogonal signals used in information transmission systems, has found application in small-size radars creating [1, 2]. Some example of calculating the cross sections of the generalized correlation integral by elevation and “distance–height” coordinates accompanied by specific surface reflection coefficient for a radar altimeter with MIMO antenna system are given in this paper.
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