thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TH Energy technology and engineering::THR Electrical engineering thema EDItEUR::U Computing and Information Technology::UY Computer science Applications COMPUTERSCIENCE Computer Engineering Digital Signal Processing Digital and Wireless Communication ENG ElectricalEngineering Functions INFORMATIONSCIENCE Processing SCI-TECH STM Short Time Fourier Transform Signal Their Window digital filtering digital signal processing radar spectral analysis speech processing thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TJ Electronics and communications engineering::TJK Communications engineering / telecommunications thema EDItEUR::T Technology, Engineering, Agriculture, Industrial processes::TJ Electronics and communications engineering::TJK Communications engineering / telecommunications::TJKT Telephone technology::TJKT1 Mobile phone technology window functions