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Fine classification of rice paddy using multitemporal compact polarimetric SAR C band data based on machine learning methods
Rice is an important food crop for human beings. Accurately distinguishing different varieties and sowing methods of rice on a large scale can...
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Identification of thin gas reservoir in reflection seismic data by synchrosqueezing S-transform in time-frequency representation
Time-frequency seismic attributes extract important information from the seismic signals and exhibit valuable properties and seismic characteristics...
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A composite clock for robust time–frequency signal generation system onboard a navigation satellite
This research designs a robust time–frequency signal generation system based on the composite atomic clock onboard a navigation satellite, which...
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Characteristics of Low-Frequency Radiation Excited by the Impact of an Oscillating, High-Frequency Beam on the Ionosphere According to In Situ Measurements
Abstract —The results of experimental studies of the characteristics of low-frequency (LF) radiation excited by the impact of two frequency-shifted,...
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Algorithms for time–frequency imaging and analysis: introduction to mixed-model spectral decomposition
Time–frequency algorithms help discern and filter hidden information from signals but their growing abundance induces non-uniqueness thus,...
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Cloud Top Pressure Retrieval Using Polarized and Oxygen A-band Measurements from GF5 and PARASOL Satellites
Cloud top pressure (CTP) is one of the critical cloud properties that significantly affects the radiative effect of clouds. Multi-angle polarized...
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Surface soil moisture modeling using C-band SAR observations at different stages of agricultural crops
Surface soil moisture (SSM) can be helpful in irrigation monitoring, water conservation, and a variety of other hydrological modeling applications....
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Climate Change and Multi-Reservoirs Impacts on Extreme Flood: Nonstationary Regional Frequency Analysis and Uncertainty Estimation
The nonstationary impacts of climate change and multi-reservoirs on extreme floods cannot be ignored due to the potential risk to flood control and...
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Impacts of frequency-dependent instrument noise for next-generation gravimetric mission on determining temporal gravity field model
The Bender-type constellation has become a feasible option of the next-generation gravimetric mission (NGGM) for improving the quality of temporal...
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Flood susceptibility prediction using MaxEnt and frequency ratio modeling for Kokcha River in Afghanistan
Flooding is a natural but unavoidable disaster that occurs over time. Flooding threatens human life, property, and resources and affects regional and...
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Extension of the undifferenced and uncombined CDMA PPP-RTK for not-common-frequency GNSS observations
Integer ambiguity resolution enabled precise point positioning, PPP-RTK, which is becoming one of the most popular global navigation satellite system...
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Seasonal variations in microphysics of convective and stratiform precipitation over North China revealed by GPM dual-frequency precipitation radar
Utilizing a decade-long observation from the spaceborne dual-frequency precipitation radar, this study investigates the seasonal variations and...
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Numerical investigation of the seismic dynamic response characteristics of high-steep layered granite slopes via time–frequency analysis
The geological structure and stratum lithology have important roles in the seismic stability of complex slopes; however, their roles complicate...
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Frequency-dependent Dynamic Properties of Saturated Brahmaputra River Sand Based on Cyclic Triaxial Tests
This paper reports a comparative influence of the two different types of loading mechanisms on the frequency-dependent dynamic properties of the...
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C-band polarimetric Doppler Weather Radar observations during an extreme precipitation event and associated dynamics over Peninsular India
Recently, the state of Kerala (India) experienced extreme rainfall events during August 2018. These heavy rains led to major flooding, which was one...
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Transfer functions in volume rendering of lake water quality using concentration frequency distribution
In exploring pollutant distribution and diffusion in lakes, the volume rendering technique is used for visualizing the lake water quality model in...
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Selection of the best clustering technique in order to zone the frequency of dust storms in Iran
In this study, the frequency of sand and dust storms in 87 synoptic stations for the period of 1987–2019 has been prepared. The purpose of this...
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Evaluation of site effects by develo** an empirical relation between fundamental frequency and thickness of sediments for Shimla city, India
This study focuses on develo** a relation between fundamental frequency (fo) and the depth of sediments above the bedrock. The fundamental...
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Experimental study on impact signal frequency spectrum and energy distribution characteristics of water-stone flow
Understanding of impact characteristics is the basis of studying the hydrodynamic characteristics of water–rock flow. The impact and vibration...
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Flood susceptibility and flood frequency modeling for lower Kosi Basin, India using AHP and Sentinel-1 SAR data in geospatial environment
The Lower Kosi Basin (LKB) in North Bihar is highly prone to floods and is influenced by upstream hydrology. A flood susceptibility index has been...
