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A novel thresholding technique is presented for digital channelized receiver to minimize second signal false alarm. The additional constraint placed for signal detection improves the false alarm rate with minimal hardware increase due to the simplicity of the proposed algorithm. Preliminary dual-tone signal analysis with instantaneous dynamic range (IDR) from -12 to -20 dB shows favorable second signal...
A 2.56-gigasample-per-second (GSPS) fixed-point fixed-precision dynamic kernel function fast Fourier transform (FFT) with a variable truncation scheme (VTS) is designed for real-time wideband signal detection. Using an Atmel 10-bit analog-to-digital converter (ADC), the two-tone real-time signal detection is verified for a bandwidth of 1.14 GHz with 20-MHz channelization and output throughput rates...
A real-time architecture to the Hilbert transform is presented for an implemented digital instantaneous frequency measurement (IFM) receiver to avoid the suspension of data acquisition during signal processing due to input buffer constraints. The ability to continuously process incoming signals allows constant monitoring of the spectrum under interest, which is critical for radar signal tracking....
A 2.56 giga sample per second (GSPS) fixed-point fixed-precision dynamic kernel function fast Fourier transform (FFT) with variable truncation scheme is designed for real-time wideband signal detection. This design is verified for two-tone signal detection in a bandwidth of 1.14 GHz at 20 MHz intervals with output throughput rates of 50 ns. The dynamic kernel FFT uses about 32 % of the slices available...
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