All active Dress to Impress codes and how to redeem them

Make sure your outfits are worthy of five stars with these DTI codes.
IEEE

5-Bit Quasi-Sinusoidal Voltage Waveform Synthesized Using Single-Flux-Quantum Pulse-Frequency Modulation

Abstract: Synthesis of sinusoidal voltage waveform is a unique application in single-flux-quantum (SFQ) digital electronics. In this paper, the authors present a waveform synthesizer based on SFQ ...
EDN

Pulse density modulation (PDM) audio explained in a quick primer

Pulse density modulation (PDM) is a compact digital audio format used in devices like MEMS microphones and embedded systems. This compact primer eases you into the essentials of PDM audio. Let’s begin ...
Interesting Engineering

Neural implant tinier than a grain of salt tracks brain activity wirelessly for a year

Cornell-developed neural implant small enough to sit atop a grain of salt.Sunwoo Lee/Cornell Chronicle Cornell researchers have built a neural implant so small it can balance on a grain of salt, yet ...
Frontiers

A novel pulse-current waveform circuit for low-energy consumption and low-noise transcranial magnetic stimulation

Transcranial magnetic stimulation (TMS) is widely used for the noninvasive activation of neurons in the human brain. It utilizes a pulsed magnetic field to induce electric pulses that act on the ...
IEEE

Digital Mobile Fronthaul Based on Adaptive Differential Pulse Code Modulation

Abstract: A novel signal quantization scheme based on adaptive differential pulse code modulation (ADPCM) is proposed and experimentally demonstrated. By adaptively adjusting the quantization step ...
The Hindu

What are AM, FM, and signal modulation? | Explained

When you tune in to the radio, the announcer says, “Welcome to 100.1 FM Gold” or “You are listening to Akashvani at 783 AM”. The terms ‘AM’ and ‘FM’ refer to forms of signal modulation — a method at ...