Amplitude modulation (AM) is the oldest method of transmitting ... by the analog audio signal.

As the name suggests, with Amplitude Shift Keying the amplitude ... LoRa is a form of “chirp spread spectrum” modulation. The “chirp” signal sweeps smoothly across specific frequency ...

It’s all driven from an STM32F103 microcontroller which handles the signal processing ... an algorithm to generate the phase and amplitude for polar modulation. These are fed to the PLL and ...

The signal distribution system at the Goldstone ... or with an external modulator. Modulation of phase, amplitude or polarization can all be employed and the high-Q (low dissipation loss) optical ...