Using the binomial fitting method in MATLAB to program numerical calculation program, the analytical formulations between feed speed, width-radius ratio and width spread ratio were deduced.

使用MATLAB编写了数值计算程序，采用二项式拟合的数值方法，总结归纳出了进给速度和宽径比与宽展率之间的解析公式。

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By exploring the phase information among symbols of the Direct Sequence Spread Spectrum (DS-SS) signal, a novel de-noising approach, used in low signal noise ratio environment, is presented.

利用DS - SS信号符号间相位信息，提出了一种可工作于低信噪比下的直接序列扩谱(DS - SS)信号噪声抑制方法。

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The precision ratio of solvent was confirmed, and feasible spread solvent was selected.

确定了溶剂的精确配比，选择了适宜的展开剂。

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Assuming this trade was a ratio spread, the trader might have sold 58, 000 October 4 puts, thus creating a two-to-one ratio with the purchased 29, 000 October 5 puts.

FORBES: Bank of America Puts Gain Popularity; Ratio Spread in Focus

It looks like the trader is positioning for significant, albeit limited, downside movement in the price of the underlying by employing a ratio put spread.

FORBES: Kinetic Concepts LBO Talk Fuels Flurry of Options Activity, Nice 2,100% Score

The largest transaction in Safeway options today was the one-by-two ratio put spread initiated in the March expiry in the first half of the trading session.

FORBES: Options Players Bet On GM Staying Stuck At $24, Load Up On Progressive Calls