Código QR (código de barras bidimensional)

An FPGA-Based DDS-Synchronized Quadrature Lock-In Module for Sweep-Field Demodulation in a Single-Beam SERF Magnetometer

Sweep-field operation in a single-beam spin-exchange relaxation-free (SERF) magnetometer requires stable extraction of the dispersion zero-crossing. A frequency mismatch between the modulation signal and the demodulation references, or an unsuitable low-pass filter, can shift this zero-crossing and...

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Principais autores: Dongjing Zhang, Xiaojian Hao, Rui Jia, Xinying Yu, Yifei Fu, Nengqiang Ma, Zheming Cui
Format: Artigo
Sprog:Inglês
Udgivet: MDPI AG 2026-06-01
Serier:Sensors
Fag:
SERF magnetometer
FPGA
digital lock-in amplifier
direct digital synthesizer
quadrature demodulation
sweep-field demodulation
Online adgang:https://www.mdpi.com/1424-8220/26/12/3850
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