Results 111 to 120 of about 1,635,520 (251)

Channel estimation for ambient Internet of things

open access: yes物联网学报
Passive backscatter based ambient Internet of things (AIoT) was an important development direction for the future of IoT and currently attracted extensive attentions.
WANG Ruoheng   +4 more
doaj  

Phase Noise Influence on the Transfer Function Estimation of Analog to Digital Converters Using the Histogram Method

open access: yesIEEE Access
The presence of phase noise in the signal generator used to characterize analog-to-digital converters (ADCs) affects the precision of the estimates made. This work focuses specifically on estimating the transition voltages of ADCs made with the Histogram
Francisco A. C. Alegria
doaj   +1 more source

A K-Band VCO With AC-Shorted Transformer Tank for 76–81 GHz FMCW Radars

open access: yesIEEE Access
This paper presents an 18.5–20.6 GHz voltage-controlled oscillator (VCO) that achieves a wide tuning range and low phase noise, suitable for frequency-modulated continuous-wave (FMCW) radar systems.
Weihu Wang, Brian A. Floyd
doaj   +1 more source

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