Radio astronomy today is armed with the largest antennas in the world.
射电天文学拥有世界上最大的天线.
The radio flux is extremely variable, exhibiting erratic outbursts.
射电流量变化极大, 显示出无规则爆发.
Comparatively rudimentary interferometer observations suggested that this source is about 1.5 across.
不很精确的射电干涉仪观测表明,这个源的角径约为1.5弧秒.
Existing radio telescopes are probably sensitive enough.
目前的射电望远镜差不多已有足够的灵敏度.
First of all there are the remarkable achievements of a molecular radio spectroscopy in these clouds.
首先应说到的是分子射电频谱学研究这些云所取得的显著成就.
It will be the largest and most sensitive radio telescope array in the world.
它将是世界上最大和最灵敏的射电望远镜陈列.
This chain eventually led to jet aircraft, nuclear power, and giant radio telescopes.
这一链条后来导致了喷气式飞机, 原子能和巨型射电望远镜的发明.
These sources are generally viewed in projection against radio nebulae representing the remnants of supernova outbursts.
这类源一般都投影在超星爆发残骸的射电星云上.
In none of these respects does optical astronomy have any advantage over radio astronomy.
在所有这些指标上,射电天文并不比光学天文逊色.
A wavefront at high radio frequencies or optical frequencies impinging on the atmosphere is distorted.
高射电频率或光学频率的波阵面进入大气时受到畸变.
The applications in radio astronomy are introduced as well.
介绍了数字滤波在射电天文测量中的各种应用.
Astronomers are also using it to share data from radio telescopes.
天文学家也用它来共享来自射电望远镜的数据.
But certain stars, called pulsars , give off regular pulses of radio waves.
但有些恒星, 所谓的脉冲星, 会有规律地发出射电波脉冲.
Radio spectral line of celestial carbon monoxide.
一氧化碳射电谱线.
Many things will make the 1 hT remarkable.
很多因素使1公顷射电望远镜非同寻常.