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Problems of UltraShort Wave Diffraction at Mountain Ranges
Feedback in a System Incorporating Parallel Amplification Channels
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amplifier amplitude analysis angle antenna approximation attenuation band bandwidth calculated capacitance capacitor CCITT channel characteristic circuit of Fig coefficients communication components connected considered correlation corresponding crosstalk curves determined diagram diode distortion diversity reception electronic elements Energiya equal equation equipment equivalent circuit error experimental expression factor feedback filter formula Fourier series frequency frequency modulation function given harmonic impedance increase input integral klystron limiting linear load maser matrix maximum measurements method modulation modulation index neper noise immunity nonlinear obtained operating optimum oscillator output voltage p-n junction parameters passband phase phase modulation polarity polynomial problem propagation pulse Radio Engineering Radiotekhnika range reactance receiver reception resistance resonator route shown in Fig signal-to-noise ratio spectrum stability subnetwork switching synchronous telegraph telegraphy television temperature theory tion transistor transmitted tropospheric values variation voltage waveguide zero