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Research on Electronic Noise Cancellation System of Engine Exhaust

Zeyu Jin

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Abstract

To increase engine' s dynamic performance, economic index and improve its exhaust, an experimental system used to cancel low-frequency noise of engine exhaust was put forward, and the noise cancellation mechanism of the system was also studied. The exprimential results demonstrated that the average noise level was decreased by more than 30 dB in low-frequency band.

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What this paper is about

To increase engine' s dynamic performance, economic index and improve its exhaust, an experimental system used to cancel low-frequency noise of engine exhaust was put forward, and the noise cancellation mechanism of the system was also studied. The exprimential results demonstrated that the average noise level was decreased by more than 30 dB in low-frequency band.

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Available abstract

To increase engine' s dynamic performance, economic index and improve its exhaust, an experimental system used to cancel low-frequency noise of engine exhaust was put forward, and the noise cancellation mechanism of the system was also studied. The exprimential results demonstrated that the average noise level was decreased by more than 30 dB in low-frequency band.

Key concepts: Noise (video), Active noise control, Automotive engineering, Engineering, Electronic engineering, Computer science, Electrical engineering, Filter (signal processing)

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