1) focus operator renewing
聚焦算子更新
2) update operator
更新算子
1.
An optimized update operator in lifting implementation is proposed to improve scalability under low bit rate and the quality of reconstructed video.
提出了更新算子的优化设计,以提高低码率下视频编码的可扩展性,并取得改善的重建视频质量。
2.
The key idea of the lifting scheme is constructing wavelet filters by several predict operators and update operators.
由于传统小波的多相矩阵可以分解为多个矩阵的乘积,本文从原理上说明了这些矩阵可以看作是预测算子和更新算子,并给出了具体例子。
3.
This algorithm combines with the genetic algorithms and the particle swarm optimization algorithm,and designs an update operator to make routing paths learn from each other and find the best path finally.
算法将遗传算法和粒子群算法结合起来,通过设置一个更新算子,让路径之间相互学习,使得整个种群不断地趋于最优路径。
3) renew operator
更新算子
1.
In the paper "A new solution scheme for the member deletion problem in group signature by use of renew operator", Wang Shangping and Wang Yumin give a new method to solve the problem in 2003.
文献[8]在CS97群签名方案的基础上,利用更新算子的思想,提出了一个“群数字签名中成员删除问题的更新算子方案”,在该方案中,被删除的群成员仍然可以做出签名,并且可以被验证者验证,只有群打开签名才能发现签名者的不合法身份。
2.
A new solution scheme for the member deletion problem in Camenisch-Stadler抯 group signature schemes is proposed by use of the group member抯 secret property key renew operator.
新方案使用了群组成员秘密特性钥更新算子方法。
4) focusing operator
聚焦算子
1.
CFP imaging techniques will separate pre-stack migration from velocity analysis recurring to two consecutive and independent focusing steps, and substitute operator updating for the direct updating of velocity filed in a traditional way, in the end calculate subsurface velocity filed using correctly updated focusing operator.
CFP成像技术借助于两个连续且相互独立的聚焦步骤 ,将叠前偏移与速度分析独立开来 ,并且用算子更新代替传统上对速度场的直接更新 ,最后从经过正确更新的聚焦算子反演出地下速度场。
2.
A series of focusing operators describing the effects of near surface were calculated, and these operators were then used to perform wavefield redu-tuming.
在起伏地表以下选定某一水平界面作为基准面,在基准面上求取一系列的聚焦算子,这些包含了起伏地表信息的聚焦算子可用来跟初始炮记录作用进行波场重建生成新的炮记录。
3.
The focusing operator was computed by finite-difference travel time method feasible to any rectangular grid and the CFP gather was generated by wave field continuation.
聚焦算子的计算采用适于任意矩形网格的有限差分走时计算法,用波场延拓法进行CFP道集的生成,利用约束参数迭代反演实现偏移速度的更新,模型的参数化主要依据实际情况而定。
5) multifocusing operator
多聚焦算子
6) inverse focusing operator
逆时聚焦算子
补充资料:凹算子与凸算子
凹算子与凸算子
concave and convex operators
凹算子与凸算子「阴~皿d阴vex.耳阳.勿韶;.留叮.肠疽“‘.小啊j阅雌口叹甲司 半序空间中的非线性算子,类似于一个实变量的凹函数与凸函数. 一个Banach空间中的在某个锥K上是正的非线性算子A,称为凹的(concave)(更确切地,在K上u。凹的),如果 l)对任何的非零元x任K,下面的不等式成立: a(x)u。(Ax续斑x)u。,这里u。是K的某个固定的非零元,以x)与口(x)是正的纯量函数; 2)对每个使得 at(x)u。续x《月1(x)u。,al,月l>0,成立的x‘K,下面的关系成立二 A(tx))(l+,(x,t))tA(x),0
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