Part I Lesson 1 Periodic Signals 1.1 Time-Domain Descriptions 1.2 Frequency- Domain Descriptions 1.3 Orthogonal Functions 1.4 The Fourier Series 詞匯 Lesson 2 Aperiodic Signals 2.1 Introduction 2.2 The Exponential Form of the Fourier Series 2.3 The Fourier Transform 2.4 The Laplace Transform 詞匯 Lesson 3 Sampled-Data Signals 3.1 Introduction 3.2 Mathematical Description Using the Dime Function 3.3 Spectra of Sampled-Data Signals 3.4 The z-Transform 3.5 Discussion 詞匯 Lesson 4 Random Signals 4.1 Introduction 4.2 Elements of Probability Theory 4.3 Amplitude Distributions and Moments 4.4 The Autocorrelation and Power Spectral Density Functions 4.5 Important Types of Random Signal 詞匯 Lesson 5 Signals and Systems 5.1 Introduction 5.2 Basic Aspects of Linear Processing 5.3 Convolution, Correlation and Filtering 5.4 The Processing of Random Signals 5.5 Nonlinear Processing 詞匯 Lesson 6 Modulation and Sampling 6.1 Introduction to Modulation 6.2 Signal Sampling and Reconstitution 6.3 Other Modulation Processes 詞匯 Lesson 7 Filters 7.1 Introduction 7.2 General Aspects of Filter Performance 7.3 Analogue Filters 7.4 Digital Filters 詞匯 Part II Lesson 8 Underwater Acoustic Signal Processing 8.1 Quantitative Description of Signal 8.2 Qualitative Description of the Sources of Noise 8.3 Comparison of Sonar, Radar, and Seismic Parameters 8.4 Target Strength and the Sonar Range Equation 8.5 Reflection and Scattering from Boundaries 8.6 Effects of an Inhomogeneous Medium …… Part III