For the image high-frequency part, use the new evaluation factor - wavelet neighborhood information to choose the ultimate wavelet high-frequency coefficients.

使用由方差和平均梯度构造的新的评价因子——小波邻域信息量作为融合规则选取小波高频系数。

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This part of the project is searching the nearest 1000 likely stars with high sensitivity for signals in the frequency range 1000 to 3000 MHz.

这部分项目搜寻离地球最近的1000颗可能存在的恒星，这些恒星对频率范围在1000到3000兆赫内的信号有着较高的灵敏度。

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The traditional low-pass filter method can restrain the high frequency part and decrease noise but may destroy image detail, and other methods also have other defects.

传统的低通滤波方法将图像的高频部分滤除，虽然能达到降低噪声的效果，但会破坏图像的细节。

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Exchanges are scrambling to cater to the high-frequency crowd, in part because the huge volumes they generate can make it easier for other traders on the exchange to execute orders.

WSJ: Ban on Flash Orders Is Considered by SEC

Direct Edge and Bats have successfully siphoned double-digit volume away from Nasdaq OMX and NYSE Euronext in recent years, in part by appealing to high-frequency trading firms with fast execution systems.

FORBES: Birth Of A Stock Exchange

Some investors use ETFs as a quick way of expressing their overall view on the market, while high-frequency traders use the funds as part of their complex arbitrage strategies.

ECONOMIST: The risks created by complicating a simple idea