A Fast Signal Bandwidth Design Method for Millimeter Wave Planet Landing Radar
Conference: CIBDA 2022 - 3rd International Conference on Computer Information and Big Data Applications
03/25/2022 - 03/27/2022 at Wuhan, China
Proceedings: CIBDA 2022
Pages: 3Language: englishTyp: PDF
Authors:
He, Yapeng; Zhang, Aijun; Dang, Hongxing (Academy of Space Information Systems, Xi’an, China)
Abstract:
Signal bandwidth is one of the important parameters of a millimeter wave planet landing radar (MwPLR). This paper proposes a fast bandwidth design method for MwPLR. The design method considers three main types of factors affecting the range accuracy, including thermal noise ranging error, terrain undulation error and range quantization error. And the signal bandwidth design is carried out quickly by solving a system of cubic equations, which is suitable for computeraided automatic design implementation. This method has been successfully applied in the design of Mars landing radar, which has helped China's Tianwen-1 Mars rover land successfully on Mars in May 2021.