FORGO
发表于 2025-3-28 18:32:09
https://doi.org/10.1007/978-3-0348-7772-5 Fourier transform and BP neural network is proposed to solve the problem of periodic fluctuation of monitoring results. Firstly, Fourier transform is used to analyze the spectrum of monitoring results and extract the period and frequency of periodic signals. Then BP neural network is used to model
传授知识
发表于 2025-3-28 19:39:47
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FEMUR
发表于 2025-3-29 00:34:32
H. Bergmann,A. Kroiss,H. Sinzingerabnormal fault models and parameters to join ICAO. The article establishes an equivalent ICAO model with BDS. According to the actual faults that may occur during the navigation signal generation process, the methods are respectively proposed to simulate the digital circuit failure (TMA) caused by t
无法取消
发表于 2025-3-29 06:49:57
H. Bergmann,A. Kroiss,H. Sinzingercost remote sensing technology, using the interference of GNSS direct and reflected signals to obtain environmental parameters, which can realize non-contact, large-scale, real-time and continuous soil moisture monitoring. In this paper, a random forest algorithm is proposed to conduct soil moisture
Exclaim
发表于 2025-3-29 10:07:20
Advances in Pharmacological Sciencese System (GNSS) signal. In this paper, back-propagation neural network (BPNN), radial basis function (RBF) neural network, and least square support vector machine (LSSVM) algorithm are applied to develop the regional zenith troposphere delay (ZTD) models by merging International GNSS Service ZTD pro
Dna262
发表于 2025-3-29 12:28:47
Ageliki Manetou,Georgios S. Limourisnt, and fire risk forecasting. Global Positioning System Interferometric Reflectometry (GPS-IR) is a new type of remote sensing technology. The signal-to-noise ratio recorded by the measurement receiver can be used to retrieve VWC effectively. Although studies have fully proved that the change of VW
Carcinogen
发表于 2025-3-29 19:35:57
Ageliki Manetou,Georgios S. Limourisutinely used in operational numerical weather prediction models run by major world forecasting centers. The key advantages of using RO data include global coverage, high precision, high vertical resolution, long-term stability and all-weather operation capability and capacity. The latest development
星星
发表于 2025-3-29 20:57:10
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occurrence
发表于 2025-3-30 02:07:22
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遭受
发表于 2025-3-30 05:02:54
978-981-16-3140-5Aerospace Information Research Institute 2021