Objective To study the preliminary effects of modified black diaphragm intraocular lens implantation on aphakia aniridia.目的探讨带虹膜隔人工晶状体在外伤性无虹膜无晶状体眼中的应用价值.Objective : To define TRf and ALb levels in urina.目的: 观察147例2型糖尿病病人...
移频键控是短波数字通信中常用的一种调制方式.The Frequency Shift Keying modulation is widely used in HF digital communication.本文研究了一种基于自适应算法的解调差分相移键控(DPSK)信号的方法.This paper deal with the DPSK demodulation method based on adaptive algorithm.相移键控...