Prediction of Tidal Flat Sediment Moisture Content Based on Wavelet Transform

Xue-ying LI; Zong-min LI; Guang-yuan CHEN; Hui-min QIU; Guang-li HOU; Ping-ping FAN

doi:10.3964/j.issn.1000-0593(2022)04-1156-06

Spectroscopy and Spectral Analysis, Volume. 42, Issue 4, 1156(2022)

Prediction of Tidal Flat Sediment Moisture Content Based on Wavelet Transform

Xue-ying LI1,*... Zong-min LI3,3; *;, Guang-yuan CHEN4,4;, Hui-min QIU2,2;, Guang-li HOU2,2; and Ping-ping FAN2,2; *; |Show fewer author(s)

Author Affiliations

¹1. School of Geosciences, China University of Petroleum (Huadong), Qingdao 266580, China

²2. Institute of Oceanographic Instrumentation, Qilu University of Technology (Shandong Academy of Sciences), Qingdao 266061, China

³3. College of Computer Science and Technology, China University of Petroleum (Huadong), Qingdao 266580, China

⁴4. College of Ocean Science and Engineering, Shandong University of Science and Technology, Qingdao 266590, China

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Figures & Tables(7)

Fig. 1. Scatter plot of the measured against predicted moisture content using original spectra of tidal flat sediments
(a): Modeling set; (b): Prediction set

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Fig. 2. Low and high frequency information spectrograms of tidal flat sediment based on discrete wavelet transform (db10 wavelet basis)

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Fig. 3. Modeling results of low and high frequency informations of sediment based on sym6 wavelet

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Table 1. The statistical results of moisture content (%) of tidal flat sediments
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Table 1. The statistical results of moisture content (%) of tidal flat sediments
样品种类样品个数最大值最小值平均值标准差
新鲜样品 155 63.57 43.42 54.77 2.87
风干4周 155 55.41 31.76 47.82 3.61
风干8周 155 47.32 18.81 38.23 5.09
所有样品 465 63.57 18.81 46.94 7.86

Table 2. Modeling results of low and high frequency informations of sediment based on db10 wavelet

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Table 2. Modeling results of low and high frequency informations of sediment based on db10 wavelet

n	A_n			D_n
n	$R_{p}^{2}$	RMSEP	RPD	$R_{p}^{2}$	RMSEP	RPD
1	0.830	2.882	2.388	0.629	4.540	1.532
2	0.818	2.960	2.321	0.572	4.917	1.408
3	0.820	2.952	2.335	0.572	4.949	1.405
4	0.837	2.836	2.454	0.294	6.155	1.132
5	0.827	2.939	2.376	0.467	5.421	1.313
6	0.817	3.039	2.298	0.572	4.645	1.495
7	0.779	3.340	2.083	0.702	3.986	1.792
8	0.783	3.291	2.098	0.728	3.715	1.908
9	0.749	3.563	1.949	0.728	3.731	1.889
10	0.809	3.118	2.267	0.623	4.181	1.616

Table 3. Modeling results of S-D_n spectral information of tidal flat sediment based on db10 wavelet

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Table 3. Modeling results of S-D_n spectral information of tidal flat sediment based on db10 wavelet

尺度参数	建模集		预测集
尺度参数	$R_{c}^{2}$	RMSEC	$R_{p}^{2}$	RMSEP	RPD
S-D₁	0.871	3.127	0.829	2.882	2.388
S-D₂	0.918	2.489	0.853	2.658	2.586
S-D₃	0.928	2.348	0.870	2.500	2.742
S-D₄	0.927	2.365	0.873	2.495	2.748
S-D₅	0.887	2.927	0.850	2.699	2.541
S-D₆	0.879	3.035	0.845	2.720	2.521
S-D₇	0.881	3.005	0.838	2.799	2.456
S-D₈	0.846	3.392	0.834	2.896	2.405
S-D₉	0.924	2.408	0.841	2.774	2.466
S-D₁₀	0.866	3.192	0.835	2.804	2.459
S-D₃-D₄	0.924	2.397	0.878	2.501	2.749

Table 4. Modeling results of S-D_n spectral information of tidal flat sediment based on sym6 wavelet

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Table 4. Modeling results of S-D_n spectral information of tidal flat sediment based on sym6 wavelet

尺度参数	建模集		预测集
尺度参数	$R_{c}^{2}$	RMSEC	$R_{p}^{2}$	RMSEP	RPD
S-D₁	0.900	2.758	0.832	2.913	2.356
S-D₂	0.783	4.061	0.846	2.907	2.365
S-D₃	0.874	3.089	0.840	2.764	2.489
S-D₄	0.884	2.973	0.848	2.714	2.531
S-D₅	0.928	2.332	0.867	2.542	2.702
S-D₆	0.880	3.018	0.848	2.708	2.540
S-D₇	0.858	3.271	0.840	2.778	2.484
S-D₈	0.924	2.398	0.864	2.562	2.686
S-D₉	0.921	2.456	0.869	2.497	2.755
S-D₁₀	0.907	2.633	0.845	2.728	2.546
S-D₅-D₉	0.920	2.473	0.870	2.475	2.768

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Xue-ying LI, Zong-min LI, Guang-yuan CHEN, Hui-min QIU, Guang-li HOU, Ping-ping FAN. Prediction of Tidal Flat Sediment Moisture Content Based on Wavelet Transform[J]. Spectroscopy and Spectral Analysis, 2022, 42(4): 1156

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Paper Information

Category: Research Articles

Received: Mar. 16, 2021

Accepted: --

Published Online: Jul. 25, 2023

The Author Email: LI Xue-ying (412973984@qq.com)

DOI:10.3964/j.issn.1000-0593(2022)04-1156-06

Topics

laser devices and laser physics

Lasers and Laser Optics

Laser physics

laser manufacturing

Instrumentation, Measurement and Metrology

Table 1. The statistical results of moisture content (%) of tidal flat sediments

Table 1. The statistical results of moisture content (%) of tidal flat sediments

Table 2. Modeling results of low and high frequency informations of sediment based on db10 wavelet

Table 2. Modeling results of low and high frequency informations of sediment based on db10 wavelet

Table 3. Modeling results of S-Dn spectral information of tidal flat sediment based on db10 wavelet

Table 3. Modeling results of S-Dn spectral information of tidal flat sediment based on db10 wavelet

Table 4. Modeling results of S-Dn spectral information of tidal flat sediment based on sym6 wavelet

Table 4. Modeling results of S-Dn spectral information of tidal flat sediment based on sym6 wavelet

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Table 3. Modeling results of S-D_n spectral information of tidal flat sediment based on db10 wavelet

Table 3. Modeling results of S-D_n spectral information of tidal flat sediment based on db10 wavelet

Table 4. Modeling results of S-D_n spectral information of tidal flat sediment based on sym6 wavelet

Table 4. Modeling results of S-D_n spectral information of tidal flat sediment based on sym6 wavelet