LF拓扑空间中T21/2分离公理的几个性质

给出LF拓扑空间中T212分离公理的三条重要性质,即弱同胚不变性、相对可积性和可和性.     

La 212 型化合物的合成、结构与性能

研究总结了近十年Ｌａ２１２型化合物的合成、结构与超导性能，合成了稀土元素、碱金属元素Ｎａ、Ｋ以及Ａｇ替代形成的新的Ｌａ２１２型化合物。     

用Ag替代而形成的La212型新化合物的合成、结构与电磁性质研究

用高温固相反应法合成了La2-xAgxCaCu2O6新化合物,找到了最佳合成条件,结构研究表明：新化合物具有典型的La212型化合物晶体结构：La,Ag占有4e位置,Ca占有2a位置,La1.65Ag0.35CaCu2O6的电阻与温度关系表现为金属行为。     

一种提高无线实时低传输率下传输图像质量的方法

设计并实现了一种提高无线信道中传输基于MJPEG2000格式的实时图像质量的方法,图像的压缩与解压缩采用专用硬件ADV212实现,通过配置ADV212芯片自身的寄存器实现跳场,利用FPGA实现补场,在信道速率较低的情况下,能够有效地提高传输后图像显示的质量。     

Real-time video compression system design and hardware implementation based on multiple ADV212

In order to improve the transmission rate of the compression system , a real-time video lossy compression system based on multiple ADV 212 is proposed and achieved .Considering the CMOS video format and the working principle of ADV 212 , a Custom-specific mode is used for various video formats firstly .The data can be cached through the FPGA internal RAM and SDRAM Ping-Pong op-eration.And the working efficiency is greatly promoted .Secondly, this method can realize direct code stream transmission or do it after storage .Through the error correcting coding , the correction ability of the flash memory is highly improved .Lastly, the compression and de-compression circuit boards are involved to specify the performance of the method .The results show that the compression system has a real-time and stable performance .And the compression ratio can be changed arbitrarily by configuring the program .The compression system can be realized and the real-time performance is good with large amount of data .     

闪烁液中加载示踪核素212Pb实验方法研究

介绍了使用流气式固体220Rn源向闪烁液中加载示踪核素212Pb的实验方法.研究了不同温度、气体流率下,闪烁液对212^Pb的加载效率的变化情况.为开展江门中微子闪烁液纯化验证实验提供放射性核素加载的方法,为放射性核素加载实验条件的选择提供了依据.