Introduction to digital signal processing PDF

Introduction to digital signal processing PDF

As early  as the  1950s,  designers  of signal processing  systems  were using digital  computers  to simulate  and test their designs.  It didn't take too long to realize that  the  digital  algorithms  developed  to  drive  the  simulations  could  be  used  to  carry out the  signal processing  directly -  and so the digital signal processor was born. 
With the incredible development of microprocessor chips over the last few decades, digital  signal processing  has become  a hugely  important  topic.  Speech  synthesis and recognition,  image and music enhancement,  robot vision, pattern recognition, motor control,  spectral  analysis,  anti-skid braking  and global positioning  are just a few  of the  diverse  applications  of digital  signal  processors. 
Digital  signal  processing  is  a  tremendously  exciting  and  intriguing  area  of electronics  but  its  essentially  mathematical  nature  can be  very  off-putting  to the newcomer.  My  goal  was  to  be  true  to  the  title  of this  book,  and  give  a  genuine introduction to the  topic.  As  a result,  I have  attempted  to give  good  coverage  of the essentials  of the subject,  while  avoiding  complicated  proofs  and heavy maths wherever possible.  However, references  are frequently  made to other texts where further information can be found, if required. Each chapter contains many worked examples  and  self-assessment  exercises  (along  with  worked  solutions)  to  aid understanding.  The  student  edition  of the  software  package,  MATLAB,  is  used throughout,  to help with both the analysis  and the design of systems. Although  it is not essential that you have access to this package, it would make the topic more meaningful  as it will  allow  you  to check your  solutions  to  some  of the problems 
and also try out your own designs relatively quickly. I have not included a tutorial on  MATLAB  as  there  are  many  excellent  texts  that  are  dedicated  to  this.  A reasonable  level  of  competence  in  the  use  of  some  of  the  basic  mathematical tools  of  the  engineer,  such  as  partial  fractions,  complex  numbers  and  Laplace transforms,  is  assumed. 

After working through this book, you should have a clear understanding  of the principles of the digital signal processor and appreciate the cleverness and flexibility of  the  device.  You  will  also  be  able  to  design  digital  filters  using  a  variety  of techniques.  By  the  end  of the  book  you  should  have  a  sound  basis  on  which  to build,  if you  intend  embarking  on  a  more  advanced  or  specialized  course. 

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