Technic products - COMSOL Multiphysics Script Acoustics Structural Chemical Reactions MEMS Earth Science AC/DC RF Electromagnetics Optimisation Signal Processing Control Systems Heat Transfer


	Technic Software - Product Overview - COMSOL Multiphysics - AC/DC Module - Acoustics Module - CAD Import Module - Chemical Engineering Module - Earth Science Module - Heat Transfer Module - Material Library - MEMS Module - RF Module - Structural Mechanics Module - COMSOL Script - Optimisation Lab - Reaction Engineering Lab - Signal & Systems Lab Key Features Accurate uncertainty descriptions and embedded monte Carlo simulations Adaptive filtering including recursive estimation of time-varying models and Kalman filtering for state estimation ARMA time-series analyses Control-system analysis – including computation of impulse and step responses, Bode diagrams, and Nyquist plots Data pre-processing digital-filter design, windowing, resampling/interpolation, and detrending/prefiltering Determination and examination of impulse response Determination and visualization of spectra Dynamic responses of SISO/MIMO systems Frequency analysis using DTF, CTF, and TFD Linear time-invariant (LTI) system analysis Parameter estimation using nonlinear least square methods for multiple data sets Probability density functions Signal analysis – Fourier transform methods, frequency domain methods, laplace transforms, z-transforms, and analyzing feedback systems using transform methods
		Signals and Systems Lab
			Estimation of an autoregressive model produced from an EEG signal using a fast and a slow adaption rate. the Gui shows a spectral analysis of the input signal with two different estimation methods; the Welsh and the AR6 models.
		The Signals & Systems Lab contains over one hundred functions to support signal processing, system simulation, system identification, design and analysis of control systems, adaptive filtering, non-stationary signal analysis, and statistics. Three separate Graphical User Interfaces (GUI) facilitate application-oriented tasks such as the determination and visualization of spectra, probability density functions, dynamic responses of SISO/MIMO systems, ARMA time-series analyses, and linear time-invariant (LTI) systems. Each GUI contains advanced commands, interactive tools, and graphics capabilities relevant for each of the supported disciplines. All commands and algorithms can be accessed via the Comsol Script command-line interfaces.

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