4.0 Introduction 4.1 Periodic Sampling 4.2 Frequency-Domain Representation of Sampling 4.3 Reconstruction of a Bandlimited Signal from its Samples 4.4 Discrete-Time Processing of Continuous Time signals 4.5 Continuous-time Processing of Discrete Time Signal

1.1 Introduction Any problems about signal analyses and processing may be thought of letting signals trough systems. f(t) y(t) h(t) From f(t) and h(t), find y(t), Signal processing From f(t) and y(t), find h(t), System design From(t)andh(t), find(t), Signal reconstruction

§1.1 Introduction §1.2 Continue-time Signal §1.3 signal representation based on δ(t) §1.4 Linear time-invariant system §1.5 System unit impulse response §1.6 Fourier series of periodic signals §1.7 Fourier analyses of non-periodic signals—Fourier Transform §1.8 Fourier Transform of typical signals §1.9 Fourier Transform of typical signals §1.10 Properties of Fourier Transform §1.11 Fourier analyses of linear system

19.1 Digital Signal Processing in Audio and Electroacoustics Bell Laboratories Steerable Microphone Arrays. Digital Hearing Aids.Spatial Processing. Audio Coding. Echo Cancellation Active Noise Sanjay K.Mehta and Sound Control NUWC Detachment 19.2 Underwater Acoustical Signal Processings G. Clifford Carter

(e)The signal aIn is lipped. The flipped sigma will be tero for n 2 Chapter 1 Answers d)The signal rn] is Ripped and the lipped signal is shifted by 2 to the right. This new 11. Converting from polar to Cartesian co gnal will be zero for n<

Chapter 8 Communication Systems Modulation : The general process of embedding an information -bearing signal into a second signal. Demodulation : Extracting the information-bearing signal. Modulation : Amplitude Modulation (AM) Frequency Modulation (FM) Phase Modulation (PM) Modulating

14 Digital Signal Processing W.K. Jenkins, A. D. Poularikas, B. W. Bomar, L.M. Smith, J.A. Cadzow Fourier Transforms er Transforms and the Fast Fourier Transform. Design and Imple of Digital Filters.Signal Restoration

Propagation Basics: - Signal, tagged with time from satellite clock, transmitted. - About66msec(20,000km) later the signal arrives at GPS receiver. Satellite has moved about 66 m during the time it takes signal to propagate to receiver

Digital Signal Processing Theory, method, algorithm Digital Signal Processor A kind of microprocessor used to implement digital signal processing algorithm

Outline Information Theory Signal Detection Theory Alerting Introduction