ConsumerAffairs

Vector Security Reviews

Vector Security has provided intelligent security solutions for more than 50 years. Headquartered in Pittsburgh, the company offers a full suite of electronic security services for residential, ...
TechRepublic

Design and Implementation of BPSK Modulator and Demodulator Using VHDL

In the last years, a major transition from analog to digital modulation techniques has occurred and it can be seen in all areas of wireless communication, satellite and cellular systems. This paper ...
IEEE

A CMOS-Compatible Photonic Demodulator With Low-Power Consumption for Time-of-Flight Image Sensor

Abstract: This article presents a CMOS-compatible low-power photonic demodulator for time-of-flight (ToF) CMOS image sensor. The proposed device called the junction-assisted photonic demodulator (JAPD ...
IEEE

Enhanced Arctangent Demodulation Algorithm for Periodic Motion Sensing With Quadrature Doppler Radar System

Abstract: Accurate displacement measurement with Doppler radar necessitates the incorporation of phase demodulation techniques. However, these techniques are prone to phase ambiguity, as target ...
GitHub

Demonstration of a QPSK modulator / demodulator in the audio range (with the ability to run it through a real speaker / mic)

Block diagram of demodulator section: As you can see, I'm using a Costas Loop with a PI (Proportional-Integrator controller) to control the local oscillator The screenshot at the top shows an example ...