APA (7th ed.) Citation

He, F., & Zhang, J. Research on time–frequency characteristics of contact force based on wavelet transform. Wiley.

Chicago Style (17th ed.) Citation

He, Fang, and Jian Zhang. Research on Time–frequency Characteristics of Contact Force Based on Wavelet Transform. Wiley.

MLA (9th ed.) Citation

He, Fang, and Jian Zhang. Research on Time–frequency Characteristics of Contact Force Based on Wavelet Transform. Wiley.

Warning: These citations may not always be 100% accurate.