ddst

And the performance of TDM, ST and DDST is compared by training sequence selection, channel estimation MSE, data detection BER and system throughput.

论文从训练序列选择，信道估计性能，信道容量以及信号检测误码率和系统吞吐率等方面比较了TDM，ST和DDST的性能。

Both groups were given NBNA examination before and after treatment ( mean interval was 12 days), also given DDST examination for follow-up.

两组治疗前后行NBNA检查（平均间隔12d），并用丹佛发育筛查法进行随访。

The improved DDST intelligence examination was done on 67 cases of endemic cretinism in Qinghai through random sampling and had got developmental quotient ( DQ).

通过随机抽样对青海省67例地克病患者做改进后的DDST智能检查，取得发育商。

The use of DDST in china: Retrospect and Prospect

丹佛智能发育筛选检查（DDST）在国内的应用：回顾与瞻望

Application of DDST in assessing development of infants

应用丹佛发育筛查法评价婴幼儿发育状况

DDST results and analysis of 397 children in IDD area

397名碘缺乏病区儿童DDST测试结果分析

The results showed that the DDST abnormal rate of severe iodine deficiency group was obviously higher than that mild and control group;

卡方值检验表明，在P＝0.05水平上，重度缺碘组的DDST可疑和异常比率都显著高于轻度缺碘组和正常组；