1) inaccurate joint transform correlation with changeable focal length and wavelength
变焦距变波长的非准确联合变换相关
2) inaccurate joint transform correlation
非准确联合变换相关
1.
The property of inaccurate joint transform correlation is analyzed,which use changeable focal length and wavelength when the joint power spectrum and correlation spots are recorded respectively.
分析了记录联合功率谱和相关点时采用不同焦距透镜和不同波长激光的非准确联合变换相关的性质,定量推导了相关点间距与透镜焦距和激光波长的关系,并由实验验证了相关点间距与透镜焦距有关。
3) quasi joint transform correlation(QJTC)
准联合变换相关
1.
A hybrid opto electronic optical fiber detection system based on quasi joint transform correlation(QJTC) is proposed.
提出实现光纤缺陷检测的光电混合式准联合变换相关器系统。
4) joint wavelet transform correlator
联合子波变换相关器
5) joint transform correlator
联合变换相关
1.
A photorefractive joint transform correlator for optical pattern recognition is presented.
本文研究了Ce:KNSBN光折变联合变换相关,以Ce:KNSBN光折变晶体作为平方律转换器件,用波长为514。
2.
In this paper, a binary joint transform correlator subtracting a power spectrum baesd on a phase shift technique (DBJTC) is presented.
提出基于相移联合功率谱相减的二元联合变换相关识别的新方法：制作特殊的半波片，采用π相移技术，将零级功率谱从联合功率谱中去掉，并进行二值化。
3.
Computer simulations indicate that the performance of power spectrum differential filter joint transform correlator (JTC) is improved obviously than that of a classical JTC in the areas of peak intensity, Peak-to-sidelobe, half correlation width and so on.
计算机模拟表明，功率谱微分滤波联合变换相关器在相关峰值、旁瓣比、半宽度等方面比一般联合变换相关器有显著的改善，可以大大提高相关图像识别的可靠性。
6) joint transform correlator
联合变换相关器
1.
Relationship between parameters in hybrid optical/electronic joint transform correlator;
光电混合联合变换相关器中各元器件结构参数之间的关系
2.
Hybrid Photoelectric Joint Transform Correlator;
光电混合联合变换相关器
3.
Simulation of image motion measurement based on joint transform correlator;
基于联合变换相关器的像移测量仿真分析
补充资料：焦距
| 焦距 focal length 表明光学系统焦点位置的特征距离。对薄透镜而言，物方焦点至透镜光心（透镜中心，见凸透镜）的距离称物方焦距，用f表示；像方焦点至透镜光心的距离称像方焦距，用f ′表示。凸透镜的焦距为实焦距，为正值；凹透镜的焦距为虚焦距，为负值。透镜两侧介质的折射率不等时，物方焦距f与像方焦距f ′并不相等，只有当透镜两侧介质的折射率相同时，才有f＝f ′。透镜焦距与透镜材料的折射率和两个表面的曲率半径有关。通过焦点并与主光轴垂直的平面称为焦面。 |
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条