Purple Mountain Laboratories

Wangdong Qi

Yan Li

Yongming Huang

Zihuan Mao

Shengheng Liu

Xiaohu You

Haipeng Xu

Ruisong Cao

Provided are a method and apparatus () for determining an angle and a distance of a target (), a radar (), and a storage medium. The method includes: a frequency diversity signal is transmitted to a target (), and a received signal reflected by the target () is received; an equivalent received signal vector is determined; hole filling processing is performed based on the equivalent received signal vector, so as to determine a uniform received signal vector; an equivalent received signal equation is performed based on the uniform received signal vector, and an objective function and a constraint condition is established for solving an objective optimization problem of the equivalent received signal equation (S); and the objective optimization problem is solved to obtain an objective solution matrix, and the angle and the distance of the target is determined based on the objective solution matrix (S).

Method and apparatus for determining angle and distance of target, radar and storage medium

Provided are a phase difference measurement method and system for an antenna array, and a phase compensation method and system for an antenna array. The antenna array includes at least two array elements. The phase difference measurement method includes: measurement is performed to obtain a three-dimensional space far-field phase data set of each array element in an antenna array; a three-dimensional solid angle space is determined, and three-dimensional space far-field phase data of each array element is acquired from the three-dimensional space far-field phase data set, wherein the three-dimensional space far-field phase data of each array element corresponds to the three-dimensional solid angle space, of each array element in the antenna array; and with a three-dimensional space far-field phase data of a first array element in the antenna array as a reference, a phase difference between other array element and the first array element is obtained.

Phase difference measurement method and system for antenna array, and phase compensation method and system for antenna array

Growing community of inventors

Jiangsu, China

Wangdong Qi