Ning Hua

A compound ISRJ parameter estimation method based on exponentially modified Gaussian multi-peak fitting

Ning Hua, Ya Gao, Huayu Fan, Quanhua Liu

The growing complexity of the electromagnetic environment has led to an increase in both the number and types of jamming sources. Compound jamming has caused a major decrease in radar detection performance. Compound interrupted sampling and repeating jamming (ISRJ) has been widely …

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Design of a Ku-Band Eight-Channels Brick-Type Frequency-Conversion T/R Module

Fangting Chen, Xinpei Zhang, Jiayi Chen, Xinyu Huang et autres

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A Four-Channel 2W X-Band Precursor Transmitter Component

Huifeng Shang, Jing Wang, Ning Hua, Zi-Qi Shao et autres

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A High-Gain, Lightweight and Miniaturized S-Band Down-Conversion BGA Receive Module

Jinlong Feng, Zhong Hu, Ning Hua, Xiaohong Chen et autres

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L-Band Extremely Narrow-Band Second-Order High-Temperature Superconducting Filter Design

Fangting Chen, Xinyu Li, Ya Xie, Jiayi Chen et autres

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MNN-BasisONet: a moment-based operator learning framework for uncertainty quantification

ziyi wang, Ning Hua, Hengyuan Ma, Wenlian Lu

Abstract Neural operators extend the application of neural networks to problems in infinite-dimensional spaces and have demonstrated excellent prediction capabilities. However, to handle the inherent randomness in real-world systems, it is crucial to incorporate mechanisms for quantifying uncertainty. A major paradigm in …

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A Frequency Perturbation Method for Cancelling the Antenna Coupling in a Simultaneous Transmitting and Receiving System

Ning Hua, Ruizheng Ma, Mingda Liu, Rui Zhu et autres

This paper aims to solve the problem of coupling signals due to insufficient isolation between the Tx and Rx antennas in simultaneous transmitting and receiving wireless relay system. First, the coupling signal is calibrated by introducing a frequency offset to the received …

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An Amplitude-Phase Adjustable Four-Channel Precursor Transmitter Component

Huifeng Shang, Ning Hua, Zhiyi Tang, Ziqi Shao et autres

An amplitude-phase adjustable four-channel precursor transmitter component was introduced. which was composed of power excitation module and RF amplifier module. The power excitation module mainly realizes voltage conversion and phase/amplitude modulation signal transmission, The microwave RF module mainly realizes four-channel amplification output …

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X-Band Four-Channel Ball Grid Array TR Module Based on HTCC Substrate

Tao Zhao, Huifeng Shang, Cichen Duan, Yan Luo et autres

This paper proposes an X-band four channels Transmitting and Receiving (TR) module based on a High-Temperature Co-fired Ceramic (HTCC) substrate, which is packaged by Ball Grid Array (BGA). Each channel realizes 6-bit phase shifting, 6-bit attenuation, amplification and delay control functions in …

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Arriving late and lean at a stopover site is selected against in a declining migratory bird population

He‐Bo Peng, Zhijun Ma, Eldar Rakhimberdiev, Jan A. van Gils et autres

Loss and/or deterioration of refuelling habitats have caused population declines in many migratory bird species but whether this results from unequal mortality among individuals varying in migration traits remains to be shown. Based on 13 years of body mass and size data …

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Basis operator network: A neural network-based model for learning nonlinear operators via neural basis

Ning Hua, Wenlian Lu

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Solving Partial Differential Equations Using Point-Based Neural Networks

Ning Hua, Wenlian Lu

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