Amplitude and phase correction device and method suitable for three-dimensional camera sonar array signal receiver

• Main Authors: ZHAO WEICHANG, PENG YANGMING, CHEN WENYUAN, ZHOU ZHIXIN, HAN LIBO, FENG HONG, DIAO QINGWEI, FANG SIZHE, GUO RAN, HANG LIANG
• Format: Patent
• Language: Chinese; English
• Published: 17.01.2020
• Subjects: ANALOGOUS ARRANGEMENTS USING OTHER WAVES; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES; MEASURING; PHYSICS; RADIO DIRECTION-FINDING; RADIO NAVIGATION; TESTING

The invention discloses an amplitude and phase correction device and method suitable for a three-dimensional camera sonar array signal receiver. The device mainly comprises a signal source, an analogreceiving module, a signal acquisition and storage module and a signal processing module. The device is characterized in that when amplitude and phase correction is carried out on the three-dimensional camera sonar array signal receiver, the signal source simultaneously inputs in-phase signals with the same amplitude and the frequency being the sonar working frequency in all channels of the analogreceiving module; the analog receiving module carries out low-noise amplification, time gain control and band-pass filtering processing on the signals and outputs the signals to the signal acquisition and storage module; the signal acquisition and storage module carries out A/D sampling, converts the signals into digital signals and stores the digital signals in sampling data; and the signal processing module reads the sa