Zhongpeng Wang
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View article: Static formation temperature estimation method based on the Levenberg-Marquardt algorithm
Static formation temperature estimation method based on the Levenberg-Marquardt algorithm Open
Static formation temperature (SFT) is a crucial parameter for assessing the thermal state of geothermal and hydrocarbon reservoirs, playing a vital role in reservoir characterization and development planning. Traditional SFT estimation met…
View article: Smart Energy Management Construction of Electric Power with Application of Bioelectricity Technology
Smart Energy Management Construction of Electric Power with Application of Bioelectricity Technology Open
The search for sustainable energy solutions has become urgent against the current energy crisis and increasing environmental pollution. Biomass energy conversion and utilization technology, a clean and renewable energy source, constantly e…
View article: Collaborative Optimization Decision Support System for Biomass and Smart Energy Based on Virtual Power Plant
Collaborative Optimization Decision Support System for Biomass and Smart Energy Based on Virtual Power Plant Open
Energy is an important basic resource for the development of human society. This paper develops a decision support system for collaborative optimization of biomass energy and intelligence using biomass energy and smart energy management te…
View article: 2D compressed sensing of encrypted images based on complex‐valued measurement matrix
2D compressed sensing of encrypted images based on complex‐valued measurement matrix Open
When using untrusted third parties to compress and transmit images in real‐life scenarios, it is vital to encrypt them before compression. In order to better address the issues of low security in the original image and poor reconstruction …
View article: A Novel Complex-Valued Gaussian Measurement Matrix for Image Compressed Sensing
A Novel Complex-Valued Gaussian Measurement Matrix for Image Compressed Sensing Open
The measurement matrix used influences the performance of image reconstruction in compressed sensing. To enhance the performance of image reconstruction in compressed sensing, two different Gaussian random matrices were orthogonalized via …
View article: Recovery performance improvement of image compressive sensing using complex‐valued Vandermonde matrix
Recovery performance improvement of image compressive sensing using complex‐valued Vandermonde matrix Open
Here, a novel image‐based quantized compressive sensing (QCS) framework based on complex‐valued Vandermonde (Vander) matrix is proposed. In the proposed QCS framework, a discrete wavelet transform (DWT) serves as a sparse basis and a parti…
View article: An Image-Based Quantized Compressive Sensing Scheme Using Zadoff–Chu Measurement Matrix
An Image-Based Quantized Compressive Sensing Scheme Using Zadoff–Chu Measurement Matrix Open
In this paper, a complex-valued Zadoff–Chu measurement matrix is proposed and used in an image-based quantized compressive sensing (CS) scheme. The results of theoretical analysis and simulations show that the reconstruction performance ge…
View article: Image parallel block compressive sensing scheme using DFT measurement matrix
Image parallel block compressive sensing scheme using DFT measurement matrix Open
Compressive sensing (CS)-based image coding has been widely studied in the field of image processing. However, the CS-based image encoder has a significant gap in image reconstruction performance compared with the conventional image compre…
View article: Performance Enhancement of Bit-Level XOR Compressed Image OFDM Transmission Systems
Performance Enhancement of Bit-Level XOR Compressed Image OFDM Transmission Systems Open
The bit error rate (BER) formula of the M-QAM system is derived under nonequally likely condition of the constellation points, from which improving the BER performance of the M-QAM system by optimizing the probability distribution of const…
View article: Secure image block compressive sensing using complex Hadamard measurement matrix and bit‐level XOR
Secure image block compressive sensing using complex Hadamard measurement matrix and bit‐level XOR Open
This paper proposes a novel image compression‐encryption scheme based on compressive sensing and bit‐level XOR. In the proposed scheme, the encrypted sequences are generated from a 4‐D hyper‐chaotic Lorenz system and a Logistic system. Fir…
View article: Broadband Circular Polarizer Based on Chirped Double-Helix Chiral Fiber Grating
Broadband Circular Polarizer Based on Chirped Double-Helix Chiral Fiber Grating Open
We propose an all-fiber broadband circular polarizer based on leaky mode coupling and a phase-matched turning point (PMTP) in a chirped, double-helix, chiral, long-period, fiber grating (CLPG). The CLPG was coated with a material in which …
View article: A Study on the Information Relationship of Art Aesthetics under the Framework of Information Philosophy
A Study on the Information Relationship of Art Aesthetics under the Framework of Information Philosophy Open
Aesthetics is an important branch of philosophy. In traditional philosophy, art aesthetics tends to analyze the subjectivity and perception of knowledge. Under the framework of information philosophy, it requires us to make a fundamental t…
View article: Compressed image transmission in precoded OFDM VLC systems
Compressed image transmission in precoded OFDM VLC systems Open
In this paper, a compressed image transmission scheme is proposed in a precoded orthogonal frequency division multiplexing (OFDM)-based visible light communication (VLC) system. First, an image is divided into sub-block images; then, each …
View article: Joint Communication and Computation Resource Optimization in FD-MEC Cellular Networks
Joint Communication and Computation Resource Optimization in FD-MEC Cellular Networks Open
In view of the growing contradiction between the intensive computation demands and the resource limitations of mobile users, mobile edge computing (MEC) and simultaneous wireless information and power transfer (SWIPT) have emerged as new p…
View article: Secure Image Transmission in Wireless OFDM Systems Using Secure Block Compression-Encryption and Symbol Scrambling
Secure Image Transmission in Wireless OFDM Systems Using Secure Block Compression-Encryption and Symbol Scrambling Open
In this paper, a joint compression-encryption and symbol scrambling scheme is proposed for orthogonal frequency-division multiplexing (OFDM) systems for image date. First, in the compression-encryption phase, the original image data is fis…
View article: Secure Image Transmission in Orthogonal Frequency Division Multiplexing Visible Light Communication Systems
Secure Image Transmission in Orthogonal Frequency Division Multiplexing Visible Light Communication Systems Open
In this paper, a novel physical layer security based on two-level encryption is proposed for orthogonal frequency division multiplexing (OFDM) visible light communication (VLC) systems. In the two-level encryption scheme, the bit signal, w…
View article: Theoretical and Experimental Investigation of Direct Detection Optical OFDM Systems with Clipping and Normalization
Theoretical and Experimental Investigation of Direct Detection Optical OFDM Systems with Clipping and Normalization Open
A data clipping and normalization technique is employed to improve the performance of the overall direct detection optical orthogonal frequency division multiplexing (DCO-OFDM) system. A detailed analysis of clipping distortion introduced …
View article: A New Insight into Shale-Gas Accumulation Conditions and Favorable Areas of the Xinkailing Formation in the Wuning Area, North-West Jiangxi, China
A New Insight into Shale-Gas Accumulation Conditions and Favorable Areas of the Xinkailing Formation in the Wuning Area, North-West Jiangxi, China Open
In north-west Jiangxi, China, most shale-gas exploration has been focused on the Lower Cambrian Hetang and Guanyintang formations, whereas the Upper Ordovician Xinkailing formation shale has been ignored for years due to heavy weathering. …
View article: Near-diffraction-limited focusing with gradient high-impedance metasurface
Near-diffraction-limited focusing with gradient high-impedance metasurface Open
We propose a new technique for wavefront manipulation using a high-impedance metasurface made of a reflectarray containing gradient mushroom-shaped elements, which provide a full-range phase shift for accomplishing the manipulation. The re…
View article: Research and Practice of Teaching Analog Circuit for Foreign Students
Research and Practice of Teaching Analog Circuit for Foreign Students Open
Along with the expansion of international higher education in China, the English teaching for foreign students has become the important way for foreign students education.This paper introduces teaching practices of Analog Circuit with Engl…
View article: PAPR Reduction of OFDM Signal for Visible Light Communication by Using Hartley Transform and Companding Techniques
PAPR Reduction of OFDM Signal for Visible Light Communication by Using Hartley Transform and Companding Techniques Open
OFDM Visible light communication (VLC) systems can achieve both illumination and data transmission simultaneously via light emitting diodes (LEDs).Orthogonal frequency-division multiplexing (OFDM) has been considered as a promising multi-c…
View article: A Chaos-Based Encryption Scheme for DCT Precoded OFDM-Based Visible Light Communication Systems
A Chaos-Based Encryption Scheme for DCT Precoded OFDM-Based Visible Light Communication Systems Open
This paper proposes a physical encryption scheme for discrete cosine transform (DCT) precoded OFDM-based visible light communication systems by employing chaos scrambling. In the proposed encryption scheme, the Logistic map is adopted for …