1) subtracting
[英][səb'trækt] [美][səb'trækt]
相减
1.
In this method,the intensity of image obtained by subtracting key codes from image to be encrypted is recorded as the encrypted date.
根据实振幅二值图像的特点,提出了一种新的加密方法,待加密的二值图像与一个随机二值实振幅掩模进行相减后,取其光强分布作为加密图像。
2) Restriction Type
相减相克
3) neighbor minus algorithm
相邻相减法
1.
In this paper, it is proved with precise reasoning that for a given natural number N, there always exists the sequence a n=n N,which, after N times of "neighbor minus algorithm", can always get a special constant N! .
用数学原理证明了对于任意给定的自然数N ,总存在数列an=nN,经过N次“相邻相减法”后 ,得到特殊常数N !这一猜想 。
4) Real-time subtraction
实时相减
5) image subtraction
图像相减
1.
By using the concept of optical filtering system,this paper builds mathematic mold of image subtraction,deduces mathematic expression of image subtraction,elaborates their physical meaning,and standardizes their applicable range and condition.
借用光学滤波系统理论,得出了傅里叶变换实现图像相减的数学表达式,诠释了其物理意义,规范了其适用范围和使用条件。
2.
By generalizing the concept of symmetric image subtraction,build mathematic mold of dissymmetric image subtraction,deduced mathematic expression of image subtraction,elaborated theirs physical meaning,and standardized theirs applicable range and condition.
借用光学滤波系统理论,对对称图像相减的数学模型进行推广,得出了傅里叶变换实现非对称放置两个图像相减的数学表达式,诠释了其物理意义,规范了其适用范围和使用条件。
3.
By means of image subtraction, the variation of IR temperature field distribution was presented.
把一种特殊的红外热图文件转换成了温度文件(纯文本格式),获取了温度场温度值数据的分布,进而用阈值设定伪彩色处理的方法实现了灵活的图像分割,用图像相减的方法获得了红外辐射温度场分布的变化,同时抑制了静态噪声的影响。
6) spectrum subtraction
谱相减
1.
In this paper,an improved voice quality enhancement algorithm based on traditional spectrum subtraction method is discussed.
讨论了一种基于传统谱相减算法的改进方法。
2.
To solve the serious problem of the “music” noise brought by the generic spectrum subtraction speech enhancement method, we put forward an improved spectrum subtraction speech enhancement method:Residual Noise Removal Spectrum Subtraction.
针对一般的谱相减语音增强算法所带来的“音乐”噪声较为严重的问题 ,提出了一种改进的谱相减语音增强算法——噪声残差消除谱相减法。
补充资料：色散相减双单色仪
分子式：
CAS号：
性质：由两个单色仪组成，其光学系统为色散率抵消的装置。光辐射从入射狭缝投射到第一单色仪，其出射狭缝作为第二单色仪的入射狭缝。两个单色仪所成角度，使第二单色仪抵消第一单色仪的色散，则双单色仪光学系统色散率为零。
CAS号：
性质：由两个单色仪组成，其光学系统为色散率抵消的装置。光辐射从入射狭缝投射到第一单色仪，其出射狭缝作为第二单色仪的入射狭缝。两个单色仪所成角度，使第二单色仪抵消第一单色仪的色散，则双单色仪光学系统色散率为零。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条