查询词典 signal device

This provides the theoretical basis for that using the lower frequency update data-rate device synthesises wideband LFM signal with bandwidth near to the phase update data-rate of the devices.

数字方式形成的LFM信号具有线性度高、相干性好、控制灵活等优点，这是模拟方式无法比拟的。但是，由模拟方式合成的LFM信号的相位是连

I didn't watch TV last night, because it .

昨晚我没有看电视，因为电视机坏了。

Since this year, in a lot of villages of Beijing, TV of elevator liquid crystal was removed.

今年以来，在北京的很多小区里，电梯液晶电视被撤了下来。