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### Contents

Hardware Approach to Walsh Function Sequency Filters | 7 |

Walsh Functions and Optimal Linear Systems | 17 |

The Use of Walsh Functions for Multiplexing Signals | 23 |

42 other sections not shown

### Common terms and phrases

algorithm amplitude analog analysis Applications of Walsh bandwidth binary bits channel circuit coefficients complex components convolution core matrix correlation defined denotes dipole discrete domain dyadic elements equation error example Fast Fourier Transform filter finite Fourier Series frequency given Gray code Haar Hadamard matrix Hadamard Transform Harmuth IEEE implementation input signal integral interval inverse Kronecker product linear logical low-pass filter Math modulation multiplex system multiplication Naval Research Laboratory noise notation obtained operations Orthogonal Functions orthogonal transform output pattern power spectrum properties pulse quantization Rademacher functions radiation real numbers representation samples sequency spectrum shown in Figure space spectra switch symmetric technique Theorem theory tion trans transmission values variables vector voltage Walsh func Walsh functions Walsh transform Walsh-Fourier transform wave waveform zero