English for Specific Purposes

86 Electronic Engineering

 

 

DETAILED COMPREHENSION

 

11. Read the text again and answer the questions:

 

11. What is the main concern of DSP?

 

12. What does DSP aim at?

 

13. Converting analog signals into digital ones, what does the discretization stage include?

 

14. How are representative signal values approximated as far as the quantization stage is concerned?

 

15. Why is the analog-to-digital conversion needed at times?

 

16. Which domains is the DSP study carried out in?

 

17. How is the domain in which a signal is to be processed selected?

 

18. What does the term ‘autocorrelation’ denote?

 

19. Which technologies enhance the running of DSP?

 

20. What are the DSP key spheres of application?

 

12. Describe the processes of analog-to-digital and digital-to-analog conversion in your own words. Use the figure and the text DSP to help you:

 

13. Match and comment on the DSP spheres and applications:

 

Radar, sonar, secure

Space

communication

 

Earthquake analysis,

Medical

spectral analysis, simulation

 

Voice & data compression

Commercial

signal multiplexing

 

Oil & mineral prospecting,

DSP Telephone

process monitoring & control

 

Movie special effects,

Military

video conference calling

 

Photograph enhancement

Industrial

intelligent sensing

 

Diagnostic imaging,

Scientific

electrocardiogram analysis