Based on the monthly average analysis data of SST by NOAA and monthly average 500hPa height reanalysis data by NCEP/NCAR, the nonlinear characteristics of Tropical Pacific SSTA and 500hPa height field over Pacific Northern American are determined with the techniques of NLPCA and NLCCA, and also the relationships between them.
For a better consideration of nonlinear characteristics of soil-structure interaction, Ramberg-Osgood skeleton curve is adopted here to model constitutive relationship of soils, and also GOODMAN element is adopted to model nonlinear working states on the interface between soils and structure.
Based on the calculation theory of traditional bridge wind load,the nonlinear static unsteady theory was put forword under the function of the wind load of a great span suspension bridge thinking about its nonlinear characteristics,the nonlinear steel matrix suitable calculation was derived,and the calculating programs for the nonlinear static wind_resistance of great span bridges was developed through analyzing and verifying an example.
Based on the nonlinear characteristics of electronic throttle control system,a slide model controller is designed. The simulation results show that the control performance index can meet the operation needs.
According to the supply's control requirements and the nonlinear characteristics of tetrode, and incorporated with mathematical analysis and simulation, control theory and control system design, a high performance ECRH system is realized.
Considering the nonlinear characteristics of threat assessment in battlefield damage simulation as well as the advantages of neural network in solving nonlinear complex problems,this paper brings forward an assessment method based on neural network and discusses the method of threat assessment modeling using neural network,which has been proved feasible and effective through analysis of living example.
The method considers the nonlinear characteristics of power systems by means of time domain simulation and coordinates the influences of PSS parameters on system eigenvalue and nonlinear interaction coefficient by optimization approaches.
According to the nonlinear characteristics of slope displacement time series,the information offered by the time series datum sets can be fully exploited and the trend of slope displacement evolution can be precisely predicted by making real time forecasting based on phase space reconstruction.
According to the nonlinear characteristics of displacement-time series of express road slope,phase space has been topologized from one dimension single variable time series based on Takens' phase space reconstruction,The fractal dimension of displacement-time series is acquired in reconstructed phase space,the results reveals intrinsic disciolinarian and inherent idiosyncrasy of dynamic change of displacement of road slope.
Three-dimensional large amplitude fuel sloshing under low gravity environment in a cylindrical tank is simulated and some important nonlinear characteristics of three-dimensional nonlinear liquid sloshing are obtained.
FPLS embeds the Takagi-Sugeno-Kang (TSK) fuzzy model into the regression framework of the partial least squares (PLS) method, in which FPLS utilizes a TSK fuzzy model for nonlinear characteristics of the PLS inner regression.
The RuOx/TiN/poly-Si/Si contact system exhibited nonlinear characteristics under forward bias at 450°C, which is attributed to no formation of a thin RuOx layer at the RuOx surface and porous-amorphous microstructure.
An increase in nonlinear characteristics of the polymethynes in comparison with the polyenes has been established.
The role of a space charge in the formation of nonlinear characteristics of an electron junction, into which is introduced an accelerated electron flow, is considered.