DS4004 Underwater Acoustics Signal Processing Syllabus:
DS4004 Underwater Acoustics Signal Processing Syllabus – Anna University PG Syllabus Regulation 2021
COURSE OBJECTIVES:
To understand the characteristics of Underwater Channel
To understand the principles of SONAR
To understand the challenges in underwater signal processing
UNIT I UNDERWATER ACOUSTIC CHANNEL
Underwater Channel Characterization – Sound Transmission Losses-Acoustic Characteristics of surface layer-Ambient Noise in the ocean- Correlation properties of Ambient Noise
UNIT II SONAR
Basics of SONAR- correlation and ambiguities-Wideband Synthetic Aperture SONAR processing Discrete Spatial arrays-Beam steering- Target Angle Estimation –Array Shading.
UNIT III TARGET DETECTION
Passive Acoustic signatures of Ships and Submarines-Target strength for Active Systems Hypothesis testing- receiver operating Characteristics-estimation of signal Parameters
UNIT IV STATISTICAL PROCESSING & ADAPTIVE SPATIAL FILTERING
Monostatic Sounding of Single point Targets-Target strength estimation from Echo ensemble Optimum Filter for Maximum SNR-High Resolution Beam Forming .
UNIT V UNDERWATER ACOUSTIC COMMUNICATION
Underwater BioTelemetry System -system Design principle-Speech Coding and Decoding Transmission and Detection of speech.
TOTAL:45 PERIODS
COURSE OUTCOMES:
CO1:recognize the characteristics of Underwater Channel
CO2: design underwater signal processing systems
CO3: understand the principles of SONAR
CO4: analyze the performance of underwater signal processing systems.
CO5: analyze the performance of under water acoustic communication
REFERENCES:
1. Robert S.H. Istepanian and Milica Stojanovic, Underwater Acoustic Digital signal
2. processing & communication system, Kluwer academic Publisher, 2002
3. William S. Burdic, Underwater Acoustic Systems, Prentice Hall Inc., 2002