The output of Amplifier has a filter, which can inhibit the out-off-band harmonic waves and unwanted emissioncomponent.
放大器的输出接有滤波器，可有效抑制带外谐波和无用发射分量。
2
The main function of hardware component is to obtain the signals of pressure sensor signal, oxygen sensor signal and the front and back emission components of catalytic converters.
Be aimed at the characteristic of the fault influencing to exhaust, building the fault diagnosis expert system through idea and method of the analyzing exhaust gas emissioncomponent is researched.