The radiation of electromagnetic energy is an important concern for the designers of almost all electronic devices. Various agencies around the world seek to minimize electromagnetic interference (EMI ...

Spread spectrum technology has blossomed from a military technology into one of the fundamental building blocks in current and next-generation wireless systems. From cellular to cordless to wireless ...

Electromagnetic interference (EMI) is energy that adversely affects theperformance of electrical/electronic equipment by creating undesirableresponses or complete operational failure. EMI is caused ...

Fig 1. In a typical PWM controller in which the active devices are driven by a simple square wave, a Fourier representation of the clock’s frequency spectrum consists of the fundamental switching ...

A radio technique that continuously alters its transmission pattern either by constantly changing carrier frequencies or by constantly changing the data pattern. DSSS multiplies the data bits by a ...

Frequency spread spectrum (FSS) is a technique that’s been widely used in power-conversion designs to reduce electromagnetic-interference (EMI) noise. But optimizing EMI without compromising on other ...

[Michael Ossmann] spoke on Friday to a packed house in the wireless hacking village at DEF CON 25. There’s still a day and a half of talks remaining but it will be hard for anything to unseat his ...

ABERDEEN PROVING GROUND, Md. (Feb. 3, 2021) – The Army is improving situational awareness of the electromagnetic battlefield by developing spectrum-sensing capabilities that provide Soldiers with ...

A new quantum sensor can analyze the full spectrum of radio frequency and real-world signals, unleashing new potentials for soldier communications, spectrum awareness and electronic warfare. Army ...

A Rydberg receiver and spectrum analyzer detects a wide range of real-world radio frequency signals above a microwave circuit including AM radio, FM radio, Wi-Fi and Bluetooth.A new quantum sensor can ...