Improved generalized monopulse angle measurement method based on first-order Newton iteration

The invention relates to the technical field of radar signal processing, and discloses an improved generalized monopulse angle measurement method based on first-order Newton iteration, and the method comprises the steps: employing an ADBF technology to calculate and obtain a multi-beam ADBF weight and echoes, carrying out the target detection of the sum beam echoes, obtaining the position of a target, and extracting all beam target echoes; and establishing a multi-beam angle measurement model based on a sum beam, an azimuth difference beam and a pitch difference beam, and iteratively calculating a target angle by adopting a first-order Newton iteration method until an iteration result converges, so as to obtain the target angle. According to the method, a multi-beam ADBF angle measurement model is established, a target angle is solved by adopting a first-order Newton iteration method, and ADBF generalized monopulse angle measurement unbiased estimation is realized; the method can be applied to any multi-beam