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Urban sprawl is thought to be a risk factor for childhood obesity primarily because the physical environment it creates discourages children's physical activity while encouraging their sedentary behavior. However, there has not been any review on the association between urban sprawl and childhood obesity. This study filled this research gap by comprehensively reviewing literature focusing on associations...
As an important factor for neighbourhood walkability, the speed limit in the neighbourhood may influence children's physical activity (PA) outdoors, especially active transport, and further their weight status. This review aimed to systematically evaluate the association between neighbourhood speed limit and obesity‐related behaviours and outcomes among children and adolescents. PubMed, Embase and...
The ambiguity in tracking of Multiplexed Binary Offset Carrier (MBOC) modulated signals will severely degrade the tracking accuracy. Therefore, unambiguous tracking for MBOC is crucial prerequisite for modern Global Navigation Satellite System (GNSS) receivers. In this paper, a new unambiguous technique is proposed based on combined correlation functions for MBOC which are used in the Galileo E1 band...
The Binary Offset Carrier (BOC) modulation has been selected by the four most influential Global Navigation Satellite Systems (GNSS) and several other regional ranging systems. Although the Autocorrelation Function (ACF) of BOC has sharper main peak and better multipath mitigation performance than BPSK, its multiple side peaks cause ambiguity in signal acquisition and tracking. In this paper, we present...
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