Then based on the idea of predictive motion vector , using of spatial correlation of adjacent block and global minimum points probability distribution characteristic , predictive diamond searching ( pds ) and its advanced mode : adaptive pds ( apds ) are introduced . finally the algorithm of pds and apds and its simulation results comparing with conventional me algorithm are given 然后基于预测性运动矢量的概念，利用相邻块运动矢量的相关性和全局极值点概率分布特性，提出了预测性菱形搜索算法和它的改进算法：自适应预测性菱形搜索法，设计出具体算法，并给出了与传统快速块匹配法比较的计算机仿真结果。
After analyzing the existing ambiguity resolution methods the dissertation investigates the baseline rotation method based on the antenna - swap idea , and develops the fixed axis rotation maximum - minimum method ? farmm and the equivalent rotation maximum - minimum method ? ermm applicable for static basement and moving vehicle respectively . the former lowers the demands on rotation device while the latter improves the flexibility of antennae installation . meanwhile the dissertation also brings forward an ambiguity function search method which needs only one single epoch data with the outer aided information , and investigates the accuracy requirements for the assistant pointing information 其次,通过与gps等多星系统定向关键技术的对比分析,指出双星定向模糊度确定的难度;在分析现有模糊度求解方法的基础之上,研究了基于交换天线思想的转动基线模糊度确定方法,并提出了适合于静基座的定轴转动极大/极小值farmm法,以及适合于地面运动载体的等效转动极大/极小值ermm法,前者降低了对转动机构的要求,后者则提高了天线安装的灵活性;同时,提出了一种借助外部辅助信息的模糊度函数搜索法实现单历元双星定向,并分析了对外部辅助单轴姿态信息的精度要求。
The writer analyzed mallat three criteria and introduced the optimized function based on these three criteria , at last found optimized mother wavelet for edge detection . at the end of this chapter single edge searching method based on local maximum is introduced and gained ideal edge image 分析mallat提出的评价边缘检测函数优劣的三个判别函数，利用这三个判别函数列出最优化方程，推导出边缘检测最优小波，最后创造性提出局部最大值单像素边缘搜索法，提取出单像素宽度边缘图像，图像效果达到了满意的效果。
A new diamond search algorithm for fast - matching motion estimation is proposed to replace the traditional three - step search algorithm in the motion estimation region . experiments results demonstrate that the application on the new diamond search algorithm optimized by mmx has magnificently improved the efficiency of compression ratio and computing speed 实验结果证明，经算法改进和mmx技术优化的新钻石搜索法远胜于三步搜索法，大大提高了程序运行的效率，使系统达到了软件实时编解码的需要。
