A vocal cord vibration imaging and measuring system and method based on plane wave ultrasonic imaging. The system comprises a digital ultrasonic imaging system, a data acquisition card and a computer. The digital ultrasonic imaging system comprises an ultrasonic linear array transducer and a host. The ultrasonic linear array transducer is used for emitting an ultrasonic plane wave under the control of the host, receiving an echo and transmitting the echo back to the host. The host is used for controlling the ultrasonic linear array transducer to emit the ultrasonic plane wave and outputting the echo to the data acquisition card. The data acquisition card is used for converting a received echo signal into a digital signal and transmitting the digital signal to the computer. The computer is used for performing beam formation, radio frequency signal envelope detection and dynamic range compression on echo data of the received digital signal to convert the echo data into a throat tissue structure image. By means of the vocal cord vibration imaging and measuring system and method based on plane wave ultrasonic imaging, high-speed imaging on a vibrating vocal cord is realized under the condition of time synchronization and space synchronization, and tissue mechanical parameters and phase change information at a specific position of vibration are quantitatively extracted.La présente invention concerne un système de mesure et dimagerie de vibration des cordes vocales et un procédé basé sur limagerie ultrasonore par ondes planes. Le système comprend un système dimagerie ultrasonore numérique, une carte dacquisition de données et un ordinateur. Le système dimagerie ultrasonore numérique comprend un transducteur ultrasonore en réseau linéaire et un hôte. Le transducteur ultrasonore en réseau linéaire est utilisé pour émettre une onde ultrasonore sous la commande de lhôte, recevoir un écho et retransmettre lécho à lhôte. Lhôte est utilisé pour commander le transducteur ultrason
