Research Article

Mechanism Study and Reduction of Minivan Interior Booming Noise during Acceleration

Table 1

Sensors used in the TPA test.

Sensor typeMicrophoneAccelerometer

ModelPCB 378B02PCB 356A02
Sensitivity50 mV/Pa10 mV/g
Frequency range3.75 to 20000 Hz1 to 5000 Hz
Mass loading45.8 g10.5 g