downlink
noun [ C or U ] uk/?da?n.l??k/ us/?da?n.l??k/
（从卫星、飞船或飞机等向地面传输信号的）下行链路
a communications link for signals coming from a satellite, spacecraft, or aircraft
The satellite provides a high-speed downlink. 卫星提供高速下行链路。
The system would allow a video downlink on the aircraft. 该系统将允许在飞机上提供视频下行链路。
The downlink delay increases by around 20 times in congested conditions. 在拥挤的情况下，下行链路的延迟会增加20倍左右。
Compare: uplink noun
- More examples
- They had Commander Steve Kelly on a downlink talking about the day on the spacecraft.
- The liftoff of the lunar module was documented visually from the lunar rover, but not by film—this was done by television downlink.
- We could have an inexpensive one-way satellite downlink covering much or all of the region.
- He said the downlink system can capture video up to 10 miles away.
- The speed on the uplink from customer to ISP is lower than on the downlink from ISP to customer.
- Tracks can be downloaded wirelessly over high-speed downlink packet access (HSDPA).
- The modem was claimed to be capable of delivering downlink speeds of up to 7.2Mbps.
downlink
verb [ I or T ] uk/?da?n.l??k/ us/?da?n.l??k/
#p#分页标题#e# （从卫星、飞船或飞机等）向地面传输信号
to receive or send signals using a communications link from a satellite, spacecraft, or aircraft
The service allows TV channels to downlink or uplink their satellite signals over the region. 该服务允许电视台在该地区下行或上行传输其卫星信号。
For two days, the satellite downlinked images as part of its study of solar winds. 两天来，卫星下行传输图像，作为其对太阳风进行研究的一部分。
The aircraft can downlink its position information on a periodic basis to air traffic controllers. 飞机可以定期下行传输其位置信息给空中交通管制员。
This is the most popular type of satellite transmission for uplinking and downlinking. 这是最受欢迎的可用于上行和下行传输的卫星传输类型。
Compare: uplink verb
- More examples
- We're going to downlink as much science data as possible from the deep-space probe before it passes out of contact.
- I do not recommend this if you wish to downlink legal TV channels.
- The image was then downlinked from a European satellite, which transmitted it to another satellite.
- Downlinked images show no degradation in image quality.
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