معالجة رقمية للإشارة

المعالجة الرقمية للإشارة(Digital signal processing) أواختصارا(DSP)هي دراسة للإشارات في تمثيلها الرقمي ولطرق معالجتها. إن ال(ع ر إ )و المعالجة التماثلية للإشارة (analog signal processing) هما قسمان من معالجة الإشارة. إن ال(ع ر إ ) يحوي فروعا مثل السمعيات (Audio)،و معالجة الإشارة الكلامية(speech signal processing)...إلخ..

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استعراض

Of the analog voltage (gray curve) are periodically measured values (الأسهم الحمراء) taken.
من خطوة نتائج القياسات، the red reconstructed. بعد تشذيب الحواف نحصل على تقريب المنحنى الرمادي.


التطبيقات

The main applications of DSP are audio signal processing, audio compression, digital image processing, video compression, speech processing, speech recognition, digital communications, RADAR, SONAR, seismology, and biomedicine. Specific examples are speech compression and transmission in digital mobile phones, room matching equalization of sound in Hifi and sound reinforcement applications, weather forecasting, economic forecasting, seismic data processing, analysis and control of industrial processes, computer-generated animations in movies, medical imaging such as CAT scans and MRI, MP3 compression, image manipulation, high fidelity loudspeaker crossovers and equalization, and audio effects for use with electric guitar amplifiers.

التقنيات

حقول ذات صلة

الهامش

للاستزادة

 هناك كتاب ، Digital Signal Processing، في معرفة الكتب.


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  • John G. Proakis: A Self-Study Guide for Digital Signal Processing, Prentice Hall, ISBN 0-13-143239-7
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