With the introduction of the principle of automatic exposure control system,this paper discusses the relation between ionization chamber and photographic position,and analyzes its effect on X-ray image quality.
介绍自动曝光控制系统原理的基础上,通过具体的实验讨论了电离室与摄影部关系的选择及其对X线图像质量的影响。
Chooses the most suitable parameters for multi-slice spiral CT scanning, and scans a phantom respectively with the parameters for manual exposure and automatic exposure control, and compares the radiation dose and image quality in both methods.
在对多排螺旋CT扫描条件进行优化的基础上,采用手动曝光参数和自动曝光控制参数分别对模拟人体模型进行了扫描,并比较了两种方法产生的辐射剂量及图像质量。
aperture-priority automatic exposure camera
光圈优先式曝光量自动控制照相机
shutter speed priority automatic exposure
快门速度优先式自动曝光照相机
Design of Automatic Exposure Control of Aerocamera
无人驾驶飞机航空照相设备曝光量自动控制的设计
automatic exposure programmed shutter 135 camera
装有自动曝光程序快门的135式照相机
automatics are OK, except for special effects, or stop action.
除了拍特殊效果的照片或光圈控制外，自动照相机是不错的。
Automatic is ok, except for special effect, or stop action .
除了折特殊效果的照片或光圈控制外，自动照相机是不错的。
Automatic is ok, except for special effects, or stop actions .
除了特殊效果的照片或光圈控制外，自动照相机是不错的。
If the aperture is changed while an exposure value is locked in Auto operation, the camera will adjust the shutter speed to correspond to the exposure value that is locked.
如在自动操作状态,曝光值被锁定时,又改变了光圈,相机将调整快门速度已对应被锁定的曝光值。
The AE lock mode locks the exposure value for precise exposure metering.
自动曝光锁定模式可在精确曝光测定量时锁定曝光值
Exposure,radiographic exposure
曝光,射线照相曝光
Photoelectric method for measuring exposure in focal planes of camera
GB/T13986-1992照相机焦平面曝光量的光电测量方法
Another exposure mode offered by the K10 D is Shutter& Aperture-Priority AE( TAv) mode, which is designed to automatically select the most appropriate sensitivity for a user-selected shutter-speed& aperture combination.
也就是说，用户选择光圈和快门，然后相机根据不同光线条件自动调节感光度以获得正确的曝光。
needle-zero semiautomatic camera
追针式半自动相机﹝指有测光系统辅助调校曝光值的相机﹞
Iris diaphragm: The adjustable hole in a camera to control the amount of light passing through the lens. See Diaphragm.
虹彩光圈:相机上可供调校的孔，它控制穿过镜头的光量。参阅光圈。
Allow setting for the preview mode or the AE lock mode. The preview mode enables the preview of the depth of field for the selected aperture.
用于设置与景深或自动曝光锁定模式,与景深模式使您能预先对选定的光圈的景深观察。
A usually adjustable opening in an optical instrument, such as a camera or a telescope, that limits the amount of light passing through a lens or onto a mirror.
光圈光学仪器上的一个可调开口，如照相机或望远镜，它控制穿过镜头的或到镜面的光的数量
This camera is easy to operate with the function of automatically adjusting the diaphragm and distance.
本照相机能自动调整光圈、距离，使用方便。
needle-trap automatic camera
快门先决自动相机﹝指有测光系统辅助调校光圈的相机﹞