Abstract：The piecewise linear vibration model of electromagnetic horn which including movable iron core and diaphragm with the time-variable electromagnetic force excitation were built. Then the vibration responses of horn were obtained by using numerical integral method. According to the calculated steady vibration displacement amplitude and frequency, the acoustic characteristics of electromagnetic horn were analyzed by the simulation software. Therefore, the relationship between the vibration displacement amplitude, frequency and sound pressure level variation principle between initial pressure of contacts and gap parameters were also investigated comprehensively. The conclusions which were drawn are valuable in optimizing the electroacoustic device such as electromagnetic horn.
郭继峰;任万滨;翟国富;赵宏伟. 电磁喇叭分段线性振动响应及其声学特性的研究[J]. , 2011, 30(10): 224-227.
GUO Ji-feng; REN Wan-bin; ZHAI Guo-fu;ZHAO Hong-wei. Research on the piecewise linear vibration response of electromagnetic horn and acoustic characteristics. , 2011, 30(10): 224-227.
2011, Vol. 30 
