Polar frequency discriminators (PFD) are widely used in radar and direction-finding applications to determine the unknown frequency of incoming pulses. This article explains how to design the RF ...
The NMDA receptor, a brain protein crucial for learning and memory, can function as a "frequency discriminator," translating stimulation frequency into current amplitude and possibly deciding whether ...
The U.S. Coast Guard transmits differential corrections to GPS signals (DGPS) via low-frequency (285- to 325-kHz) beacons. Transmission data rates are 100 or 200 bits/s. The modulation is ...
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