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This subject introduces students to the fundamental principles of circuit and signal measurements and analyses in a biosignals context. In addition to the fundamental concepts, topics to be covered include an introduction to various types of sensors and the basic methods required to analyse measurements, calibrate sensors and evaluate measurement system performance.
In the laboratories, students will learn about laboratory safety, team work and measurement safety in an integrated way.
This subject is one of the subjects that define the Bioengineering Systems Major in the Bachelor of Science and Bachelor of Biomedicine, and it is a core requirement for the Master of Engineering (Biomedical). It provides a foundation for various subsequent subjects, including BMEN90002 Neural Information Processing and BMEN90021 Medical Imaging.
Basic principles of charge, current, Coulomb's law, electric fields and electrical energy, Kirchhoff's current law, Kirchhoff's voltage law, voltage and current division, node voltage analysis, mesh current analysis, Thévenin and Norton equivalent circuits, transient analysis of RC and RL circuits, steady-state analysis of RLC circuits, phasors and impedance, frequency domain models for signals and frequency response for systems, continuous-time and discrete-time Fourier transforms, frequency response, filtering, transfer functions, Z-transforms, Laplace transforms, poles and zeros, Bode plots, and the relationship to state-space representations.
This material is complemented by the use of software tools (e.g. MATLAB) for computation and simulation, and practical experience with circuits and systems in the laboratory.
Intended learning outcomes
INTENDED LEARNING OUTCOMES (ILOs)
Having completed this unit the student should be able to:
1 - apply physical principles, fundamental abstractions and modelling techniques in the analysis of electrical systems;
2 - develop and demonstrate basic biosignals laboratory skills through implementing, testing and debugging simple circuits on prototyping breadboards;
3 - apply fundamental mathematical analysis and modelling techniques to understand signals and systems in both time-domain and frequency-domain;
4 - demonstrate the ability to analyse continuous-time and discrete-time signals and systems.
On completion of this subject, students should have developed the following generic skills:
- Ability to apply knowledge of science and engineering fundamentals.
- Ability to undertake problem identification, formulation and solution.
- Ability to utilise a systems approach to complex problems and to design and operational performance.
- Proficiency in engineering design.
- Ability to communicate effectively, with the engineering team and with the community at large.
- Capacity for creativity and innovation.
- Ability to function effectively as an individual and in multidisciplinary and multicultural teams, as a team leader or manager as well as an effective team member.
- Capacity for lifelong learning and professional development.
Last updated: 9 September 2021