Nonsynchronous trading is one of the hot issues in financial high frequency data processing.

不同步交易乃金融中高频数据处理的重要课题之一。

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Vector quantization is used to compress the high frequency data.

对高频子带采用矢量量化的压缩方式。

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Unlike low frequency data, high frequency data has the calendar effects and long memory volatility.

与低频数据不同，高频数据通常具有“日历效应”和波动长记忆性。

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Initial high-frequency data for September, though, point at a recovery in EM central bank demand for the common currency.

FORBES: EM Central Banks To Gobble Up Euros After Sharp Drop Against The Dollar

One such project is called NewsFlash, and uses high-frequency red and green light to transmit data to the built-in camera on a receiving device -- in this case Samsung's Epic 4G.

ENGADGET: NewsFlash uses high-frequency light to transmit data from iPad to smartphone, we go hands-on (video)

Not all planes across oceans have data-link capabilities, and high-frequency radio is still used with some flights and as a backup with others.

WSJ: How New Air-Traffic Control Systems Operate Over Oceans