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We present the data reduction pipeline for CHARIS, a high-contrast integral-field spectrograph for the Subaru Telescope. The pipeline constructs a ramp from the raw reads using the measured nonlinear pixel response, and reconstructs the…

A large volume of remote sensing (RS) data has been generated with the deployment of satellite technologies. The data facilitates research in ecological monitoring, land management and desertification, etc. The characteristics of RS data…

数据库 · 计算机科学 2022-08-08 Jiashu Wu , Jingpan Xiong , Hao Dai , Yang Wang , Chengzhong Xu

The High Time Resolution Universe (HTRU) survey is an all-sky survey looking for pulsars and other radio transients. A new single-pulse (SP) search pipeline is presented, tailored to the northern part of the HTRU survey collected with the…

天体物理仪器与方法 · 物理学 2026-03-04 L. J. M. Houben , H. Falcke , L. G. Spitler , E. D. Barr , M. Berezina , D. J. Champion , R. Karuppusamy , M. Kramer

We present a fast general-purpose algorithm for high-throughput clustering of data "with a two dimensional organization". The algorithm is designed to be implemented with FPGAs or custom electronics. The key feature is a processing time…

仪器与探测器 · 物理学 2015-05-14 A. Annovi , M. Beretta

The main topic of this thesis is the application of advanced Digital Signal Processing (DSP) techniques to high data-rate optical links. This thesis is divided in two parts: Direct-Detection systems, and Coherent systems. In the first part,…

信号处理 · 电气工程与系统科学 2024-10-30 Dario Pilori

As the particle physics community needs higher and higher precisions in order to test our current model of the subatomic world, larger and larger datasets are necessary. With upgrades scheduled for the detectors of colliding-beam…

数据分析、统计与概率 · 物理学 2025-09-09 Fotis I. Giasemis

The work describes a system for converting VLBI observation data using the algorithms of coherent dedispersion and compensation of two-bit signal sampling. Coherent dedispersion is important for processing pulsar observations to obtain the…

天体物理仪器与方法 · 物理学 2023-03-31 Girin I. A. , Likhachev S. F. , Andrianov A. S. , Burgin M. S. , Popov M. V. , Rudnitskiy A. G. , Soglasnov V. A. , Zuga V. A

The advent of large aperture arrays, such as the ones currently under construction for the SKA project, allows for observing the Universe in the radio-spectrum at unprecedented resolution and sensitivity. To process the enormous amounts of…

天体物理仪器与方法 · 物理学 2025-07-31 S. Wang , S. Mignot , S. Prunet , L. Di Mascolo , M. Spinelli , A. Ferrari

We present the data processing pipeline to generate calibrated data products from the Spectral and Photometric Imaging Receiver (SPIRE) imaging Fourier Transform Spectrometer on the Herschel Space Observatory. The pipeline processes…

Radio frequency (RF) signals have been proved to be flexible for human silhouette segmentation (HSS) under complex environments. Existing studies are mainly based on a one-shot approach, which lacks a coherent projection ability from the RF…

计算机视觉与模式识别 · 计算机科学 2024-10-04 Penghui Wen , Kun Hu , Dong Yuan , Zhiyuan Ning , Changyang Li , Zhiyong Wang

Owing to the rapid development of sensor technology, hyperspectral (HS) remote sensing (RS) imaging has provided a significant amount of spatial and spectral information for the observation and analysis of the Earth's surface at a distance…

计算机视觉与模式识别 · 计算机科学 2022-05-16 Minghua Wang , Danfeng Hong , Zhu Han , Jiaxin Li , Jing Yao , Lianru Gao , Bing Zhang , Jocelyn Chanussot

In 2016, an exposure meter was installed on the Lijiang Fiber-fed High-Resolution Spectrograph to monitor the coupling of starlight to the science fiber during observations. Based on it, we investigated a method to estimate the exposure…

天体物理仪器与方法 · 物理学 2024-02-06 Xiao-Guang Yu , Kai-Fan Ji , Xi-Liang Zhang , Liang Chang , Yun-Fang Cai , Ying Qin , Zhen-Hong Shang

A new Digital Pulse Processing (DPP) system, based on domino ring sampler version 4 (DRS4), with good time resolution for the LaBr3 detectors has been developed and different digital timing analysis methods for processing the detector raw…

仪器与探测器 · 物理学 2016-08-03 Cheng-Ming Du , Jin-Da Chen , Xiu-Ling Zhang , Hai-Bo Yang , Ke Cheng , Zheng-Guo Hu , Zhi-Yu Sun , Hu-Shan Xu

Frequency spectrum is one of the valuable resources in wireless communications. Using cognitive radio, spectrum efficiency will increase by making use of the spectrum holes. Dynamic Spectrum Access techniques allows secondary users to…

网络与互联网体系结构 · 计算机科学 2014-12-18 Medhat H. M. Elsayed , Amr A. El-Sherif , Amr Mohamed

This paper addresses simultaneous, high-precision measurement and analysis of generic reference signals by using inexpensive commercial off-the-shelf Software Defined Radio hardware. Sine reference signals are digitally down-converted to…

信号处理 · 电气工程与系统科学 2018-04-12 Carsten Andrich , Alexander Ihlow , Julia Bauer , Niklas Beuster , Giovanni Del Galdo

In terms of 3D imaging speed and system cost, the single-camera system projecting single-frequency patterns is the ideal option among all proposed Fringe Projection Profilometry (FPP) systems. This system necessitates a robust spatial phase…

图像与视频处理 · 电气工程与系统科学 2023-03-14 Xiaolong Luo , Wanzhong Song , Songlin Bai , Yu Li , Zhihe Zhao

The Chinese Space Station Survey Telescope (CSST), a two-meter aperture astronomical space telescope under China's manned space program, is equipped with multiple back-end scientific instruments. As an astronomical precision measurement…

The well known method C-Slow Retiming (CSR) can be used to automatically convert a given CPU into a multithreaded CPU with independent threads. These CPUs are then called streaming or barrel processors. System Hyper Pipelining (SHP) adds a…

硬件体系结构 · 计算机科学 2015-08-31 Tobias Strauch

Diffuse correlation spectroscopy (DCS) is a powerful tool for assessing microvascular hemodynamic in deep tissues. Recent advances in sensors, lasers, and deep learning have further boosted the development of new DCS methods. However,…

The Mingantu Spectral Radioheliograph (MUSER), a new generation of solar dedicated radio imaging-spectroscopic telescope, has realized high-time, high-angular, and high-frequency resolution imaging of the sun over an ultra-broadband…

天体物理仪器与方法 · 物理学 2022-10-17 Zhichao Zhou , Yihua Yan , Linjie Chen , Wei Wang , Suli Ma