常見例句雙語(yǔ)例句The trick is to use what is known as a "fast Fourier transform" to unpick more than 300 separate colours of light in a laser beam, each encoded with its own string of information.這種技術(shù)是使用“快速傅裡葉變換”把一束激光中的超過300中不同的光的顔色的光分解出來，每一種光被編碼成它自己的信息串。In the current experiment, the team sent their signals down 50km of optical fibre and then implemented what is known as an optical fast Fourier transform to unpick the data streams.在這兒，研究者們採(cǎi)用一種被稱爲(wèi)光學(xué)快速傅裡葉變換的方法來分離出數(shù)據(jù)流。Experimental results show that this method achieves the same accurate level as classic fast Fourier transform (FFT) based method with invariance to illumination change and lower computation costs.實(shí)騐結(jié)果表明該算法相對(duì)傳統(tǒng)基於快速傅立葉變換法具有同等精度、抗光照變化及計(jì)算量少的特點(diǎn)。權(quán)威例句The new single-laser fiber-optic speed record was set using a technique called fast Fourier transform that pulses light at an incredibly high rate with data encoded in 325 distinct colors across the spectrum.ENGADGET: blogger-avatar 返回 fast Fourier transform