单峰性

铁磁共振峰峰线宽的变化与共振场变化有明显的不同，当外加磁场随着方位角θH变化时峰峰线宽表现出单峰性，并且在共振场最大值的角度位置却表现出极小值。

However , the variation of FMR linewidths was obvious different from that of resonance fields for all of the films . FMR linewidths revealed the unimodality with the variation of magnetic fields versus the out-plane angles and occurred as minimum at the location of maximal resonance field .

现值分布的单峰性与现值模型的扩展

Unimodality of Present Value Distribution and Extension to Present Value Models

算法采用了以2为模的Sobel算子梯度建立图像清晰度评价函数的数学模型。该评价函数具有无偏性好，单峰性强，灵敏度高，在焦平面变化趋势明显等特点。

In our algorithm , we build up the mathematic model of image definition evaluation with the gradient of Sobel operator modulo 2 . This evaluation function has features of small deviation , single peak , and high sensitivity , apparent variation trend near focus plane .

面向单周期制造商利益函数的单峰性分析

Analysis the Unimodality of the Single-period Inventory for the Manufacturers

在对面向制造商的单周期库存问题进行求解时，利益函数的单峰性成为优化算法构建的一个必要假设和基础。

The unimodality of the single-period inventory is the basic assumption for optimizing approaches .

类树图亏格分布的单峰性

Unimodality of Genus Distribution for Tree - Graph

我们又用基回数考察了图的色多项式，验证了某些图类的色多项式的单峰性。

We also investigate chromatic polymial of graph by its cyclomatie number , and verify unimodality of chromatic polymial of some graph .

本文对图的粘接广义树的色多项式进行了讨论，得到了一个具有强对数凹度的图的粘接广义树的色多项式具有单峰性，特别地，圈的粘接广义树的色多项式具有单峰性。

It is concluded in this paper that the chromatic polynomials of the joining generalized trees of a graph G which has strong logarithmic concavity are of unimodal property , particularly the joining generalized trees of cycle Cn .

通过对图像质量评价方法的研究，结合射线图像的特点，提出了基于感兴趣区域加权熵的射线图像质量评价方法，该方法较传统方法具有良好的单峰性和灵敏度。

On the basis of the image quality evaluation method , combined with X-ray image characteristics , the quality assessment method based on the weighted entropy of interested region has been proposed , which has better single-peak and sensitivity over the traditional method .

它们都有无偏性好、单峰性强、灵敏度高等特点，可用于离焦模糊和运动模糊情况的评价，且灰度梯度向量模方和最理想。

All of them have the characteristics of good unbias ( s ) edness , powerful unimodality and high sensitivity , etc. , and can be applied to evaluation of defocusing and motion blurring . The vector norm sum of gray gradient is the best among them .

本文研究了小波图像去噪过程中阈值与信噪比的关系，通过大量的仿真得出了小波图像消噪过程中，在不同的噪声强度下，信噪比与小波阈值之间存在单峰性的特征。

The relation between the wavelet threshold and the signal-to-noise ratio in wavelet image denoise is presented . From many simulations of wavelet image denoise , the unimodal property between the wavelet threshold and the signal to noise ratio ( SNR ) under different noise strength was developed .

实验结果表明，该聚焦方法具有单峰性，响应快，鲁棒性强，在±100μm范围内自动搜索，定位时间小于2〃，聚焦不确定度达±1μm。

Experimental results show that the method has merits of one peak , fast response and strong robustness . For automatic searching in the range of ± 100 μ m , the positioning time is less than 2 seconds and the focusing uncertainty is less than ± 1 μ m.

组合序列分布性质的研究是是组合数学中最原始最基本的问题之一，其中一类重要的分布性质是单峰型性质，包括单峰性、对数凹性、对数凸性和PF性质等。

The distribution property of combinatorial sequences is a basic problem in combinatorics . One of the most important properties is unimodality which includes unimodal , log-concave , log-convex and PF properties .

单峰型问题是组合学中基本的研究课题之一，其内容包括单峰性、对数凹性、对数凸性和PF性质的研究等。

Unimodality problem is one of the primary topics in combinatorics , including the study of unimodality , log-concavity , log-convexity and P (?) lya frequency property .