Detections of 21 cm absorption with a blind FAST survey at z≤ 0.09
We present the early science results from a blind search of the extragalactic HI 21 cm
absorption lines at z≤ 0.09 with the drift-scan observation of the Five-hundred-meter …
absorption lines at z≤ 0.09 with the drift-scan observation of the Five-hundred-meter …
Design and laboratory testing of the five hundred meter aperture spherical telescope (FAST) 19 beam L-band receiver
A Dunning, M Bowen, S Castillo… - … Symposium of the …, 2017 - ieeexplore.ieee.org
We describe a multibeam receiver for the FAST radiotelescope. The receiver provides 19
dual polarised beams over a band of 1050-1450 MHz with an expected receiver noise …
dual polarised beams over a band of 1050-1450 MHz with an expected receiver noise …
Pattern measurements of cryogenically cooled ultra-wideband feed horn
Thermal changes can have an effect not only on the dimensional stability of mechanical
parts but also on their dielectric properties as well as the phase and amplitude of active …
parts but also on their dielectric properties as well as the phase and amplitude of active …
FAST: The Five-Hundred-Meter Aperture Spherical Radio Telescope
P Jiang, H Gan, R Yao, J Sun, J Lu, D Yu, H Li… - …, 2023 - ui.adsabs.harvard.edu
In the 90 years since its inception, radio astronomy has become the setting of almost all
major astronomical discoveries and a hothouse for Nobel Prizes in Physics. As a result …
major astronomical discoveries and a hothouse for Nobel Prizes in Physics. As a result …
Gradient-guided attentional network for radio transient localization with the cluster-feed telescope
Large, single-dish radio telescopes with high sensitivities are ideal for detecting faint radio
transients (RTs). However, single-dish radio telescopes possess a limited angular …
transients (RTs). However, single-dish radio telescopes possess a limited angular …
[PDF][PDF] 一种快速稳健的致密焦面阵列馈源设计方法
何山红， 纪萌茜， 解良玉， 范瑾， 范冲 - 电子与信息学报, 2019 - jeit.ac.cn
一种快速稳健的致密焦面阵列馈源设计方法A Fast and Robust Design Method for Dense Focal
Plane Array Feed Page 1 一种快速稳健的致密焦面阵列馈源设计方法 何山红*① 纪萌茜① 解良 …
Plane Array Feed Page 1 一种快速稳健的致密焦面阵列馈源设计方法 何山红*① 纪萌茜① 解良 …
The FAST multi-beam receiver design with RF over fiber link
K Jeganathan, A Dunning, J Chengjin… - 2017 IEEE Asia …, 2017 - ieeexplore.ieee.org
The Five hundred meter Aperture Spherical Telescope (FAST) has ambitious goals
including deep neutral hydrogen surveys and searching for extra-terrestrial intelligence. The …
including deep neutral hydrogen surveys and searching for extra-terrestrial intelligence. The …
A Fast and Robust Design Method for Dense Focal Plane Array Feed
S HE, M JI, L XIE, J FAN, C FAN - 电子与信息学报, 2019 - jeit.ac.cn
Abstract The Dense Focal Plane Array Feed (DFPAF), which integrates the characters of
multi-beam feed with multiple independent horns and Phased Array Feed (PAF), can …
multi-beam feed with multiple independent horns and Phased Array Feed (PAF), can …
Comparison between Circular and Hexagon Dense Focal-Plane Array Feed of Multi-beam Reflector
S He, L Xie, M Ji - 2019 International Conference on Microwave …, 2019 - ieeexplore.ieee.org
The Dense Focal Plane Array Feed (DFPAF) integrates the merits of multi-beam feed with
multiple independent horns and phased array feed, it can simultaneously provide multiple …
multiple independent horns and phased array feed, it can simultaneously provide multiple …