Method and system for experimental measurement of nonlinear interaction of two trains of planar sound waves

The invention relates to the field of sound wave interaction, in particular to a method and a system for experimental measurement of nonlinear interaction of two trains of planar sound waves and provides a method and a system for on-lake experimental measurement of nonlinear interaction of two trains of planar sound waves to solve the problem of experimental measurement of low-frequency sound wave energy variations after interaction of the two trains of planar sound waves. The system comprises a low-frequency transmitting system, a high-frequency transmitting system, a transmitting frame, a receiving system and an oscilloscope. The method includes steps: 1, mounting devices; 2, singly transmitting low-frequency sound waves, and recording data; 3, singly transmitting high-frequency sound waves, and recording data; 4, simultaneously transmitting high-frequency and low-frequency sound waves, and recording data; 5, acquiring energy variations according to experimental data. The problem of measurement of low-frequ