The results show that cumulativeaverage abnormal return (CAAR) is significantly positive in three years after st corporate restructuring.
分析结果表明ST公司重组后三年内平均累积超额收益(CAAR)显著为正。
2
The method that combine the cumulativeaverage and multi-resolution analysis in wavelet transform was presented which can de-noise the weak signal collected from the sensor.
提出了对传感器采集到的微弱信号进行累加平均和小波变换中的多分辨率分析方法相结合去噪。
3
The results suggest that cumulativeaverage abnormal return (hereinafter CAAR for short) of ST corporations is significantly positive in after restructuring, CAAR ascends and then falls;