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Follow the links below to find material targeted to the unit's elements, performance criteria, required skills and knowledge

Elements and Performance Criteria

1. Apply DSP design criteria to telecommunications system
   • Review DSP criteria applied to signal processing
   • Perform frequency domain analysis on telecommunications signals
   • Apply digital processing techniques to DSP baseband communications signals used in digital systems
   • Generate output of a comb filter in digital filtering application using convolution theorem and autocorrelation
2. Determine linear time invariant (LTI) system properties
   • Simulate telecommunication entities using simulation software functions
   • Perform calculations to find numerical approximations of the continuous-time convolution process
   • Simulate echo cancellation by applying simulation software using adaptive DSP algorithms and an inverse filtering method
3. Analyse digital telecommunication signals processing
   • Analyse the result of digitally passing a signal through a first- order recursive discrete-time filter
   • Determine frequency response of a simple continuous-time system using Fourier transform
   • Analyse amplitude modulated signals using Fourier transform
4. Analyse time and frequency forms of signals by applying simulation of signal processing
   • Program a simulated software application to represent a comb filter with a signal applied from a telecommunications system
   • Produce a report analysing simulated output results and relevance of a DSP filter to a telecommunications system

Performance Evidence

Evidence of ability to:

apply digital signal processing (DSP) criteria to a telecommunications system

evaluate linear time invariant (LTI) system properties

analyse digital and amplitude modulated signals using DSP methods and principles

demonstrate an awareness of radio frequency issues relevant to DSP processes

report on finding of analysis and use of DSP in a telecommunications system.

Note: If a specific volume or frequency is not stated, then evidence must be provided at least once.

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Knowledge Evidence

To complete the unit requirements safely and effectively, the individual must:

summarise digital communications systems

explain Fourier transforms

explain linear time invariant (LTI)

explain various modulation methods, amplitude (AM), frequency (FM), phase (PM) and digital formats

explain organisational policy and procedures for digital signal processing

outline common non-compliance issues and responses.

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