The Doppler frequency can be obtained as a heterodyne or beat effect.

由于外差或频差效应，能够得到多普勒频率。

youdao

It is shown that quantum beat effect exists in the time-resolved degenerate four-wave mixing.

指出在这种简并四波混频中同样可能存在量子拍频效应。

youdao

The phenomenon has been described as the Wimbledon effect: Britain provides the beautiful arena where foreign champions come and beat the hell out of British players.

这一现象被称作温布尔登效应：英国提供漂亮的竞技场地，却让外国冠军来将英国选手打得大败亏输。

youdao

But he brings, in effect, the sound of the downbeat in a beat early, gives it a little bit of pep there at that particular point.

但是他,事实上,把强拍的音提前了一拍,在这个位置添加了一丝刺激

耶鲁公开课 - 聆听音乐课程节选

When you try to beat the market in this way, you are, in effect, competing with the rest of the world.

ECONOMIST: A survey of fund management

The politicians are debating, in effect, whether to thump the industry severely or beat it to within an inch of its life.

ECONOMIST: Land of the smoke-free

Those same stocks beat their benchmarks by nearly 7 points in November, as the effect wore off, Prof.

WSJ: Is the 'September Swoon' for Real?