In a second optical illusion, the Ponzo illusion, the volunteers were shown two identically sized circles superimposed onto the image of a tunnel.
第二个是蓬佐错觉，志愿者可以看见在一条隧道的图像上有两个大小一模一样的圆。
2
The paper describes the measurement method for model surface temperature and model surface illumination strength in wind tunneloptical pressure measurement test by the virtual instruments.
本文介绍了在风洞光学测压试验中应用虚拟仪器技术对模型表面温度和模型表面光照强度的测量方法。
3
The principle and preparation of optical pressure sensitive paint and its application in wind tunnel test are introduced.