Abstract
As the core characters in the scattering characteristics of quantum radar, the quantum radar cross section (QRCS) has some distinct properties from the classical radar cross section (CRCS) on two-dimensional (2D) targets, such as the quantum interference effect of sidelobe. However, due to the ability of the algorithm only for 2D targets basically, there is not sufficient work on the quantum effect in the scattering characteristics of quantum radar for three-dimensional (3D) targets, especially for other effects. Here we report a novel mainlobe-slumping quantum effect of the cube in the scattering characteristics of quantum radar with an improved algorithm for the 3D targets. In addition, it has a completely different physical origin from the classic radar scattering. Further, we analyze the source of this sudden decreasing in the curve of QRCS based on the quantum theory and simulation data. We conclude that this kind of new macroscopic quantum phenomenon can be used in the detection and discrimination of stealthy weapons and biomedicine.
Highlights
Quantum-mechanical effects can be exploited to enhance the remote sensing technologies such as radar, according to recent studies [1]–[10]
We should note that while the main lobe of the quantum radar cross section (QRCS) curve for the plate is a smooth one, the mainlobe-slumping with 3dB for QRCS for the cube seems so exceptional at first glance
This study reveals a new macroscopic quantum phenomenon of the 3D typical target in scattering characteristics of the quantum radar based on a proposed improved algorithm
Summary
Quantum-mechanical effects can be exploited to enhance the remote sensing technologies such as radar, according to recent studies [1]–[10]. Since the relatively stronger quantum interference effect of sidelobe in curves of quantum radar cross section has been discovered [12], [13], the quantum radar has the long-term potential for a range of applications in the detection of low-detectable objects. This quantum interference effect of sidelobe means the enhancement of QRCS with respect to the CRCS in their curves.
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