Parallel radix-4 fast fourier transform computer

High speed FFT algorithms -- System organization of a digital spectrum analyzer -- Automatic array scaling -- Machine organization for performing other processes based on Fourier transforms -- Functional design of a radix-4 high speed Fourier processor -- Basic organization of high-speed processors -- The arithmetic unit -- The preweighting unit -- The weighting unit -- A multiplier for real numbers -- The real-to-complex (RTC) unit -- The storage and switching units -- The weighting coefficients storage unit -- Sequencing and control signals -- Machine configuration and performance -- Machine configuration -- The class of machines as general signal processors.