Ultrasonic monitor device of net cage fish culture biomass evaluation

• Main Authors: GUAN CHANGTAO, SHEN ZHIXIN, SHI XIAOTIAN, LI JIAO, NI HANHUA, TANG TAOLIN
• Format: Patent
• Language: Chinese; English
• Published: 09.06.2010
• 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 ultrasonic monitor device of net cage fish culture biomass evaluation. An ultrasonic transducer emits ultrasonic probe pulse signals to cultured fishes in a net cage and receives reflection ultrasonic pulse signals of the cultured fishes in the net cage; and the reflection...