supported by the National Natural Science Foundation of China (Grant Nos. 50775198, 60102002, 60974115 and 60977061);the Youth Foundation of Education Bureau of Hebei Province (Grant No.2011225)
Based on the optical properties of rare earth fluorescence materials, a set of fluorescence optical fiber systems was designed. The system selects the emitting LED, which is economical and practical as a light source....
Project supported by the National Natural Science Foundation of China (Grant Nos.50775198 and 60102002)
Phase space reconstruction is the first step to recognizing the chaos from observed time series. On the basis of differential entropy, this paper introduces an efficient method to estimate the embedding dimension and ...
Supported by the National Natural Science Foundation of China (60102002);the Doctoral Foundation of Hebei Province of China(B2004522)
Owing to the intrinsic nonlinearities of the system,a contracting mechanism,such as myogenic response,may induce different oscillatory patterns.Many specialists discussed the relations of oscillatory patterns with int...
Supported by the National Natural Science Foundation of China (No.60102002)the Huoyingdong Education Foundation (No.81057)the Doctoral Foundation of Hebei Province of China(No.B2004522).
It is critical for cerebral vascular disease diagnosis through Doppler to detect the maximum and the minimum of the carotid blood flow speed accurately. A kind of Duffing system under an external periodic power with d...