square ratio

The photometric signal-to-noise ratio is roughly proportional to the square root of the signal intensity.

光度计的信噪比与信号强度的平方根粗略成比例.

MAIN OUTCOME MEASURES: Latency of positive wave/ negative wave ( P20/ N30); square root of the ratio of the amplitudes, that is, value A.

主要观察指标：正/负波潜伏期（P20/N30），波幅比率的平方根，即A值。

The simulation results show that the semi-soft threshold denoising method reduces the noise effectively, improves the ratio of signal and noise, retains the detail of image and obtains the minimum mean square deviation. It finds some application in engineering.

仿真结果表明：半软阈值去噪方法有效地抑制了噪声，提高了信噪比，同时保留了图像细节，获得了最小的均方差，具有一定的应用价值。

Attempting to calculate the monomer reactivity ratio ( m. r. r.) for binary copolymerizing system at high conversion by integral model, a formula has been derived by using the principle of the Tidwell-Mortimer nonlinear least square method with improved "optimization of initial value".

用Tidwell-Mortimer非线性最小二乘法计算原理，在计算步骤上作了有意义的改进后，导出能用于高转化率下计算一般二元共聚体系竞聚率的公式。

Electroless Co-B alloy coating is amorphous as plated with lower coercive force higher square-ness ratio.

化学镀Co－B合金层镀态下为非晶态结构，有较高的矩形比，矫顽力较低。

China's mainland was ranked fourth globally in terms of the per square meter price/ per capita GDP ratio, trailing India, Cambodia and the Philippines, where an average income earner needs to work about 740, 319 and 142 years, respectively, to afford a luxury home.

中国大陆以每平方米价格/人均国内生产总值比率在全球排名第四，紧随印度、柬埔寨和菲律宾，按那里的平均收入来源需要工作740年、319年和142年才能分别负担起一座豪华住宅。

In the square dance exercise, a balanced sex ratio is not enough. 2.

在广场舞的练习中，性别比例不够均衡。

EOF analysis shows that the ratio of the front 3 eigenvectors with total square error is 88.9%, and the front 3 eigenvector fields present string distribution.

EOF展开方法表明江淮梅雨前三个特征向量累积方差贡献比例为88.9%，其主要特征是三个特征向量场呈现纬向带状分布；

With Java program computation stochastic points in circular domain and square ratio of the stochastic points, this paper obtains the square and its inscribed circle area ratio, and calculates the ratio of the circumference of a circle to its diameter.

用Java程序计算圆内随机点的点数与正方形内随机点数之比，得到正方形和其内切圆的面积比，计算出圆周率。

The Results by using Pick-pick Signal Noise Ratio ( PSNR) or mean square error ( mse) are different from by subjective psychological assessment, while the latter are usually inexactly and have subjectivity.

通常使用的峰-峰信噪比或均方误差与主观感觉并不相符，而主观评价又存在主观性和不确定性，其结果往往因人而异。