Arithmetic Implementation of FSK Based on DSP

Ming Quan Shi

doi:10.4028/www.scientific.net/AMM.443.31

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vol. 443Arithmetic Implementation of FSK Based on DSP

Arithmetic Implementation of FSK Based on DSP

Abstract:

FSK is a prior modulation scheme in the information transmission. It has many advantages such as convenience to realize, anti-noise and antiattenuation, so it is widely used in middle and low-speed data transmission. This paper designed a FSK system based on TMS320VC5402 DSP, The scenario analysed the arithmetic of FSK and realized it using C. This system produced FSK signal using keying. That means, two sine waves which have different independent frequencies represented the 0s and 1s of digital signals respectively, the data of one sine wave was composed of 64 points. The arithmetic stored the modulation data at a specific address; the author can observe the output wave by graphic display tools. Finally, the author verifies the accuracy and feasibility of this FSK system.

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Periodical:

Applied Mechanics and Materials (Volume 443)

Pages:

31-34

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.443.31

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Online since:

October 2013

Authors:

Ming Quan Shi

Keywords:

Arithmetic, Digital Signal Processing, DSP, Frequency Shift Keying

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