High-precision data acquisition of test audio and vibration signals

[color=rgba(0, 0, 0, 0.72)] With the rapid development of science and technology , spectrum analysis has become one of the important means of testing audio and vibration signals. In this field, PCI/PXI 8811/8814 is a highly respected high-precision data acquisition card. This card provides 8 simultaneous analog input channels, which can realize multi-channel dynamic signal…