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7.904  Articles
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As the vibration signal characteristics of hydraulic pump present non-stationary and the fault features is difficult to extract, a new feature extraction method was proposed .This approach combines wavelet packet analysis techniques, fuzzy entropy and LLT... see more

Fast and reliable ambiguity resolution (AR) has been a continuing challenge for real-time precise positioning based on dual-frequency Global Navigation Satellite Systems (GNSS) carrier phase observation. New GNSS systems (i.e., GPS modernization, BDS (Bei... see more

Ningbo City in Zhejiang Province is one of the largest port cities in China and has achieved high economic development during the past decades. The port construction, land reclamation, urban development and silt deposition in the Ningbo coastal zone have ... see more

Fast and reliable ambiguity resolution (AR) has been a continuing challenge for real-time precise positioning based on dual-frequency Global Navigation Satellite Systems (GNSS) carrier phase observation. New GNSS systems (i.e., GPS modernization, BDS (Bei... see more

Pandan wangi (Pandanus amaryllifolius) is one type of monocotyledonous in the Pandanaceae family that has leaves with a characteristic fragrant aroma. There is a chemical content in the leaves of pandan wangi (Pandanus amaryllifolius) namely alkaloids, fl... see more

Balinese society has debated on Warna, Kasta (caste), and Wangsa stratification has been going on for a long time because of a lack of understanding about cultural differences. Bali's social stratification is focused on Wangsa. The title inherited the mal... see more

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