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Nonsinusoidal Electromagnetic Waves
SEQUENCY FILTERS FOR TIME AND SPACE SIGNALS
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addition alphabet amplifier amplitude applied assume attenuation average band base binary block pulses carriers changes channels characters circuit closed coefficients communication computed condition Consider contains defined delay denoted derivative diagram difference dipole discussed distance duration elements energy equal equation error factor Figure filter four Fourier transform frequency functions flj Hence hold increase input integral interval limit low-pass filter means method modulation multiplexing multiplied noise obtained operation orthogonal output voltage periodic phase plotted points positive possible practical probability Problems produces pulses radiation reason receiver replaced represented sampling sequency shift shown in Fig shows sideband signal sine and cosine single sideband sinusoidal space step switch synchronization Table tion transmission transmitted values variable voltage wal(j Walsh functions Walsh-Fourier wave yields zero