Qi Zhang
YOU?
Author Swipe
View article: Applying High‐Speed Video Images to Inverse Channel Base Current Based on NARX Neural Network
Applying High‐Speed Video Images to Inverse Channel Base Current Based on NARX Neural Network Open
The high‐speed video (HSV) images were taken as the input data of the nonlinear autoregressive network (NARX) to reconstruct the return‐stroke channel base current (CBC). The integrated luminosity (IL) of discharge channel is firstly obtai…
View article: Causal optimal and optically transparent ultra-wideband microwave metamaterials absorber with high angular stability
Causal optimal and optically transparent ultra-wideband microwave metamaterials absorber with high angular stability Open
Wideband microwave absorbers, especially those with high optical transparency, are significantly used in civil and military fields. This paper proposes an ultra-wideband optically transparent metamaterial absorber (MMA) with causal optimal…
View article: Predictive role of pre-thrombolytic hs-CRP on the safety and efficacy of intravenous thrombolysis in acute ischemic stroke
Predictive role of pre-thrombolytic hs-CRP on the safety and efficacy of intravenous thrombolysis in acute ischemic stroke Open
Purpose To investigate the predictive role of pre-thrombolytic high sensitivity C-reactive protein (hs-CRP) on the safety and efficacy of intravenous thrombolysis in patients with acute ischemic stroke (AIS). Methods Patients with AIS who …
View article: Dynamic transcriptome profiles and novel markers in bovine spermatogenesis revealed by single-cell sequencing
Dynamic transcriptome profiles and novel markers in bovine spermatogenesis revealed by single-cell sequencing Open
Testicular development is an important biological process in male and requires interaction between the male germ cells and somatic cells. However, the mechanisms of testicular development in livestock, particularly in cattle, are poorly un…
View article: Research on Comprehensive Evaluation and Early Warning of Transmission Lines’ Operation Status Based on Dynamic Cloud Computing
Research on Comprehensive Evaluation and Early Warning of Transmission Lines’ Operation Status Based on Dynamic Cloud Computing Open
The current methods for evaluating the operating condition of electricity transmission lines (ETLs) and providing early warning have several problems, such as the low correlation of data, ignoring the influence of seasonal factors, and str…
View article: Analysis of optical radiation dispersion characteristics of an artificially triggered lightning return stroke process
Analysis of optical radiation dispersion characteristics of an artificially triggered lightning return stroke process Open
In this paper, improved continuous wavelet transform is used to analyze the dispersion characteristics of a group of optical radiation signals of return stroke in an artificially triggered lightning, and the analysis results are compared w…
View article: Time-frequency analysis on the dispersion characteristics of return stroke luminosity in a rocket-triggered lightning
Time-frequency analysis on the dispersion characteristics of return stroke luminosity in a rocket-triggered lightning Open
The attached is the dataset assoicated with the paper titled "Time-frequency analysis on the dispersion characteristics of return stroke luminosity in a rocket-triggered lightning" which was submitted to Geophysical Research Letters . The …
View article: Time-frequency analysis on the dispersion characteristics of return stroke luminosity in a rocket-triggered lightning
Time-frequency analysis on the dispersion characteristics of return stroke luminosity in a rocket-triggered lightning Open
The attached is the dataset assoicated with the paper titled "Time-frequency analysis on the dispersion characteristics of return stroke luminosity in a rocket-triggered lightning" which was submitted to Geophysical Research Letters . The …
View article: Waveform Reconstruction of Lightning Current Based on Output‐Error Model and Finite‐Difference Time‐Domain Method
Waveform Reconstruction of Lightning Current Based on Output‐Error Model and Finite‐Difference Time‐Domain Method Open
A simple method combining Output‐Error (OE) model and Finite‐Difference Time‐Domain (FDTD) method is proposed to reconstruct lightning current in this paper. First, the FDTD method is adopted to calculate electromagnetic fields of any desi…
View article: Efficient Rigorous Coupled-Wave Analysis Without Solving Eigenvalues for Analyzing One-Dimensional Ultrathin Periodic Structures
Efficient Rigorous Coupled-Wave Analysis Without Solving Eigenvalues for Analyzing One-Dimensional Ultrathin Periodic Structures Open
Based on the first-order Taylor expansion, an efficient Rigorous Coupled-Wave Analysis (RCWA) for one-dimensional ultrathin periodic structures is proposed in this paper. The derivation of the ultrathin form RCWA method is completed by usi…
View article: Direct Current Injection Test Devices on Metal Cylinder: Experiment and Numerical Simulation
Direct Current Injection Test Devices on Metal Cylinder: Experiment and Numerical Simulation Open
In order to study the lightning indirect effects on the metal cylinder, the direct current injection test devices on the metal cylinder were studied in this paper based on experiment and simulation. The return conductor configuration was d…
View article: Observed Variation of Three‐Dimensional Return Stroke Speeds Along the Channel in Rocket‐Triggered Lightning
Observed Variation of Three‐Dimensional Return Stroke Speeds Along the Channel in Rocket‐Triggered Lightning Open
An improved very high frequency location system, multiple antenna radiation continuous observation system (MARCOS), is combined with high‐speed video observation to explore radiation source evolution during return stroke (RS) stages in tri…
View article: Multiple-Antennae Observation and EMTR Processing of Lightning VHF Radiations
Multiple-Antennae Observation and EMTR Processing of Lightning VHF Radiations Open
In order to locate the faint sources in the lightning discharge, an improved broadband VHF observation system is developed. Both the system configuration and locating algorithm are specially designed to locate weak radiation sources from b…
View article: Correlation of Charge Distribution Among Different Branches in a Natural Lightning Flash
Correlation of Charge Distribution Among Different Branches in a Natural Lightning Flash Open
By analyzing the high-speed video camera images of a natural cloud-to-ground (CG) lightning flash, we attempt to employ the luminosity of descending stepped leader to infer the correlation of charge distribution among different branches. O…
View article: Neuroprective effects of ABPPk in MCAO model.
Neuroprective effects of ABPPk in MCAO model. Open
(A, B and C) Histograms respectively comparing the percentage of animal death (mortality) (A), the mNSS (B) and the brain infarct volume (C) among sham-MCAO rats, MCAO rats receiving administration of saline, 0.1, 0.2, or 1.0 mg/kg of ABPP…
View article: Research on Effective Evaluation of POL Support System Based on the Internet of Things and Cloud Theory
Research on Effective Evaluation of POL Support System Based on the Internet of Things and Cloud Theory Open
Many factors should be studied during the course of the evaluation of POL support efficiency, especially the evaluation of POL support efficiency based on the internet of the things.To avoid uncertainty and randomness of correlative assess…