算法比较

• Compared with the current whitening transformation , it can get the same result , but the osd operational time is about half of the whitening transformation ' s when it processes the same ambiguity covariance matrix . and the ambiguity screen can improve the reliability of the ambiguity decorrelation
  它与流行的白化变换算法比较，处理效果近似，但运算量接近白化变换算法的一半，并且由于采用了模糊度筛选，故提高了模糊度去相关处理的可靠性。
• 5 . the seed fill algorithm in graphics was introduced into the between - rows weed detection to fill the areas connected with the centre of the crop row . in order to gain the faster processing speed , an improved scan - line seed fill algorithm was developed successfully
  根据杂草多数分布于作物行之间的裸土区的位置特征，首次引入图形学中的种子填充算法识别行间杂草，并且针对传统种子填充算法比较费时的缺点，研究改进的扫描线种子填充算法，显著提高了填充速度。
• In the second chapter , some conunon used cryptograph algorithins are introduced , including the algorithms used in synunetric cryptosystem and asyrnmetric cryptosystem . we describe the theory of each algorithins and compare the elliptic curve cryptosystem with the other two asyinmetrc cryptosystems to show the advantages of this algorithin
  包括常用的私钥密码算法和公钥密码算法，说明各种算法的原理和优缺点，重点将椭圆曲线算法与其他几种公钥密码算法比较，说明椭圆曲线算法的优势。
• Compare with arithmetic in existence , we select rsa and sha - 1 as the basic arithmetic , and use des to solve the secure problem in communication . and then emphatically explain the principle and security of the three arithmetic with source code of c . secondly , we explain the design principle and implement scenario of system
  通过对现有算法比较，选用rsa加密算法和sha - 1摘要算法作为票据防伪系统的算法基础，选用三重des算法解决通讯过程中的安全问题，并着重解释了这三种算法的原理和安全性能，给出了部分算法的c语言代码。
• Based on collected and read literatures , this paper gives the analysis of its characteristics , architecture , security problem , qos problem , and comparison among present popular wireless ad hoc routing algorithm as well . 4 . according to the characteristics of wireless network situation of wearable computer , this paper comes up with a wireless network frame for wearable computer based on lsr ( link state routing protocol )
  （ 4 ）结合可穿戴计算机无线网络环境的特点，在对自组网路由选择算法比较分析的基础上，提出了一种适用于可穿戴计算机无线网络的基于混合路由策略的lsr （ linkstateroutingprotocol ）路由协议的框架，它能够根据网络拓扑结构变化的不同程度在先应式和后应式路由策略之间进行自然平滑的切换。
• A multivariable fast constrained dmc algorithm is presented , which adopts improved model to remove truncation error , and computes one control move to optimize one point of future horizon for each output . compared to traditional dmc algorithm , this algorithm reduces calculational burden greatly , and loses less performance . it has practical significance for some factories that are short of money to achieve advanced control
  作者给出了一种多变量有约束快速dmc算法，该算法与常规多变量有约束dmc算法比较，极大减小了计算负担，而性能上损失很少，可以在现有的dcs系统上进行二次开发，对于一些资金缺乏的工厂在现有dcs系统基础上实现先进控制很有实际意义。
• Pid algorithm is the simplest compared with others and is used in the situation that the controlled target is clearer . when the controlled object is complicated and its model is not clear and definite , the fuzzy logic control algorithm can be used . the study algorithm is used when the controlled object can move repeatedly . although the every kind of algorithm application is different , they can do the same job on the tracing of a target . the only difference among them is the optimal route that the robot traces its target
  Pid算法比较简单，用于控制对象比较清楚的情形；当被控对象比较复杂、模型不明确时，采用模糊控制算法；学习算法则用于被控对象具有可重复性运动的情况。虽然各种算法应用的情况不同，但是它们都能够比较好的跟踪到目标，不同的是控制过程中的最优轨迹问题。
• The delay and delay variation constrained minimum steiner tree problem is also researched . lcdvma ( low - cost delay variation - constrained multicast algorithm ) is proposed for this problem . low time complexity , low cost and constrained delay and low delay variation are achieved by only comparing minimum delay paths and minimum cost paths
  对于时延和时延差约束的最小steiner树问题，提出了一种基于最小时延路径和最小费用路径的算法?一lcdvma算法，由于该算法比较了通过中转节点后的最低费用路径和最短时延路径，降低了运算复杂度，通过仿真得到了较小的网络费用和时延差，因此lcdvma算法是一种具有低复杂度的时延和时延差约束的最小steiner树的启发式算法。
• Furthermore , it ameliorates the model and its genetic algorithms , doing the numerical analysis on the facility layout in optimization of production organization . the result dedicates that the algorithms of this paper is more predominant . the application to a real world problem and numerical analysis shows the effectiveness and practicality of the proposed method in dealing with such kind of problems , having some society and economic merit
  此外，对生产组织优化中设备布局的模型及算法进行了改进和数值、参数分析，结果表明本文算法比较优越，硕士毕业论文摘要实际应用和数值分析说明了该遗传算法在解决这类问题中的有效性和实用性，有一定的社会和经济价值。