Quote
Never forget what you are, for surely the world will not. Make it your strength. Then it can never be your weakness. Armor yourself in it, and it will never be used to hurt you. —— Tyrion Lannister
电离层对LOFAR的影响 电离层对LOFAR的影响
电离层的电离程度主要受太阳辐射的影响,尤其是太阳活动的强弱。
2025-01-26
Resolution and Rayleigh Criterion Resolution and Rayleigh Criterion
Diffraction limits resolution. The Rayleigh criterion states that two images are just resolvable when the centre of the diffraction pattern of one is directly over the first minimum of the diffraction pattern of the other.
2024-08-27
Antenna Lobe Antenna Lobe
Antenna radiation patterns are graphical representations of elements of the radiation characteristics of an antenna.
2024-06-23
LOFAR configuration LOFAR configuration
LOFAR antenna configuration
2024-04-28
LOFAR statistics LOFAR statistics
In this post, three types of statistics data for LOFAR telescopes are presented
2023-08-15
Astronomical coordinate systems Astronomical coordinate systems
在天文学中,有几种常用的坐标系,用于描述天体在天空中的位置。每种坐标系都有其独特的用途和适用范围。在这里,我总结了及总常见的天文学坐标系。
2023-03-21
LOFAR introduction LOFAR introduction
The Low-Frequency Array (LOFAR) is a cutting-edge radio telescope network designed to observe the universe at low frequencies, ranging from 10 MHz to 240 MHz.
2022-07-05
Azimuth and Elevation Azimuth and Elevation
Azimuth and Elevation are two coordinates that define the position of a celestial body in the sky.
2021-08-10
Calibration Calibration
This article illustrates the usage of Calibration.
2020-03-27
Wave Band Wave Band
This article illustrates the usage of Wave band.
2020-01-20