Search Results for author: Jiang Zhu

Found 19 papers, 3 papers with code

Image Classifier Based Generative Method for Planar Antenna Design

no code implementations16 Dec 2023 Yang Zhong, Weiping Dou, Andrew Cohen, Dia'a Bisharat, Yuandong Tian, Jiang Zhu, Qing Huo Liu

To extend the antenna design on printed circuit boards (PCBs) for more engineers of interest, we propose a simple method that models PCB antennas with a few basic components.

LoRAMoE: Alleviate World Knowledge Forgetting in Large Language Models via MoE-Style Plugin

1 code implementation15 Dec 2023 Shihan Dou, Enyu Zhou, Yan Liu, Songyang Gao, Jun Zhao, Wei Shen, Yuhao Zhou, Zhiheng Xi, Xiao Wang, Xiaoran Fan, ShiLiang Pu, Jiang Zhu, Rui Zheng, Tao Gui, Qi Zhang, Xuanjing Huang

Supervised fine-tuning (SFT) is a crucial step for large language models (LLMs), enabling them to align with human instructions and enhance their capabilities in downstream tasks.

Language Modelling Multi-Task Learning +1

One-Bit-Aided Modulo Sampling for DOA Estimation

no code implementations10 Sep 2023 Qi Zhang, Jiang Zhu, Fengzhong Qu, De Wen Soh

To overcome this fundamental bottleneck, we propose a one-bit-aided (1bit-aided) modulo sampling scheme for direction-of-arrival (DOA) estimation.

Quantization

Line Spectrum Estimation and Detection with Few-bit ADCs: Theoretical Analysis and Generalized NOMP Algorithm

no code implementations2 Jul 2023 Jiang Zhu, Hansheng Zhang, Ning Zhang, Jun Fang, Fengzhong Qu

As radar systems will be equipped with thousands of antenna elements and wide bandwidth, the associated costs and power consumption become exceedingly high, primarily attributed to the high-precision (e. g., 10-12 bits) analog-to-digital converters (ADCs).

Quantization Super-Resolution

Sample-efficient Surrogate Model for Frequency Response of Linear PDEs using Self-Attentive Complex Polynomials

no code implementations6 Jan 2023 Andrew Cohen, Weiping Dou, Jiang Zhu, Slawomir Koziel, Peter Renner, Jan-Ove Mattsson, Xiaomeng Yang, Beidi Chen, Kevin Stone, Yuandong Tian

Linear Partial Differential Equations (PDEs) govern the spatial-temporal dynamics of physical systems that are essential to building modern technology.

Line Spectral Estimation via Unlimited Sampling

no code implementations28 Oct 2022 Qi Zhang, Jiang Zhu, Fengzhong Qu, De Wen Soh

In addition, a two-stage US LSE (USLSE) is proposed, where the line spectral signal is first recovered by iteratively executing DP and OMP, and then the parameters are estimated by applying a state-of-the-art LSE algorithm.

A Unitary Transform Based Generalized Approximate Message Passing

1 code implementation17 Oct 2022 Jiang Zhu, Xiangming Meng, Xupeng Lei, Qinghua Guo

We consider the problem of recovering an unknown signal ${\mathbf x}\in {\mathbb R}^n$ from general nonlinear measurements obtained through a generalized linear model (GLM), i. e., ${\mathbf y}= f\left({\mathbf A}{\mathbf x}+{\mathbf w}\right)$, where $f(\cdot)$ is a componentwise nonlinear function.

A Machine Learning Generative Method for Automating Antenna Design and Optimization

no code implementations28 Feb 2022 Yang Zhong, Peter Renner, Weiping Dou, Geng Ye, Jiang Zhu, Qing Huo Liu

For a dual resonance antenna design with wide bandwidth, our proposed method is in par with Trust Region Framework and much better than the other mature machine learning algorithms including the widely used Genetic Algorithm and Particle Swarm Optimization.

BIG-bench Machine Learning

R3L: Connecting Deep Reinforcement Learning to Recurrent Neural Networks for Image Denoising via Residual Recovery

no code implementations12 Jul 2021 Rongkai Zhang, Jiang Zhu, Zhiyuan Zha, Justin Dauwels, Bihan Wen

To benchmark the effectiveness of reinforcement learning in R3L, we train a recurrent neural network with the same architecture for residual recovery using the deterministic loss, thus to analyze how the two different training strategies affect the denoising performance.

Benchmarking Image Denoising +3

Newtonalized Orthogonal Matching Pursuit for Linear Frequency Modulated Pulse Frequency Agile Radar

no code implementations29 Jan 2021 Jiang Zhu, Honghui Guo, Ning Zhang, Chunyi Song, Zhiwei Xu

The linear frequency modulated (LFM) frequency agile radar (FAR) can synthesize a wide signal bandwidth through coherent processing while keeping the bandwidth of each pulse narrow.

Dark Confinement-Deconfinement Phase Transition: A Roadmap from Polyakov Loop Models to Gravitational Waves

no code implementations11 Jan 2021 Zhaofeng Kang, Shinya Matsuzaki, Jiang Zhu

We demonstrate that the PLMs with the Haar measure term, involving models successful in QCD with $N=3$, are potentially incompatible with the large $N$ scaling for the thermodynamical quantities and the latent heat at around the criticality of the FOPT reported from the lattice simulations.

High Energy Physics - Phenomenology High Energy Physics - Theory

Grid-less Variational Direction of Arrival Estimation in Heteroscedastic Noise Environment

no code implementations26 Dec 2019 Qi Zhang, Jiang Zhu, Yuantao Gu, Zhiwei Xu

This paper studies DOA in heteroscedastic noise (HN) environment, where the variance of noise is varied across the snapshots and the antennas.

Direction of Arrival Estimation

Gridless Multisnapshot Variational Line Spectral Estimation from Coarsely Quantized Samples

no code implementations20 Jun 2019 Ning Zhang, Jiang Zhu, Zhiwei Xu

Due to the increasing demand for low power and higher sampling rates, low resolution quantization for data acquisition has drawn great attention recently.

Quantization

Gridless Variational Bayesian Channel Estimation for Antenna Array Systems with Low Resolution ADCs

1 code implementation3 Jun 2019 Jiang Zhu, Chao-Kai Wen, Jun Tong, Chongbin Xu, Shi Jin

Employing low-resolution analog-to-digital converters (ADCs) coupled with large antenna arrays at the receivers has drawn considerable interests in the millimeter wave (mm-wave) system.

Signal Processing Information Theory Information Theory

One-bit LFMCW Radar: Spectrum Analysis and Target Detection

no code implementations23 May 2019 Benzhou Jin, Jiang Zhu, Qihui Wu, Yuhong Zhang, Zhiwei Xu

It is shown that compared to the conventional radar applying linear processing methods, one-bit LFMCW radar has about $1. 3$ dB performance gain when the input signal-to-noise ratios (SNRs) of targets are low.

Dimensionality Reduction Quantization

Vector Approximate Message Passing Algorithm for Structured Perturbed Sensing Matrix

no code implementations26 Aug 2018 Jiang Zhu, Qi Zhang, Xiangming Meng, Zhiwei Xu

In this paper, we consider a general form of noisy compressive sensing (CS) where the sensing matrix is not precisely known.

Signal Processing

Variational Bayesian Line Spectral Estimation with Multiple Measurement Vectors

no code implementations17 Mar 2018 Jiang Zhu, Qi Zhang, Peter Gerstoft, Mihai-Alin Badiu, Zhiwei Xu

In this paper, the line spectral estimation (LSE) problem with multiple measurement vectors (MMVs) is studied utilizing the Bayesian methods.

Information Theory Information Theory

A Unified Bayesian Inference Framework for Generalized Linear Models

no code implementations29 Dec 2017 Xiangming Meng, Sheng Wu, Jiang Zhu

In this letter, we present a unified Bayesian inference framework for generalized linear models (GLM) which iteratively reduces the GLM problem to a sequence of standard linear model (SLM) problems.

Information Theory Information Theory

Mining Fashion Outfit Composition Using An End-to-End Deep Learning Approach on Set Data

no code implementations10 Aug 2016 Yuncheng Li, Liangliang Cao, Jiang Zhu, Jiebo Luo

The core of the proposed automatic composition system is to score fashion outfit candidates based on the appearances and meta-data.

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