Approximately, we assume their tracks are parallel lines in a synthetic aperture time.
但在合成孔径时间内可以近似认为他们的轨道是直线且相互平行。
Usually one can first meter using a larger aperture (so that the metered exposure time is under 30 seconds), then stop down as necessary and multiply the exposure time accordingly.
通常，你可以用大点的光圈测光(这样，测量的曝光时间就在30秒以内)，随后缩小光圈，相应地增加曝光时间。
Under those conditions photographers shoot with a fast exposure time and small aperture. That makes it impossible to capture faint objects in a dark background, such as stars.
在这种情况下拍摄者会使用很短的快门时间并调小光圈，这样就不可能拍摄到黑色背景上那些很暗的物体，如星星。
It has a wide-aperture lens to capture as much light as possible, and the technology requires no clunky auto-focus mechanism. It adjusts exposure time automatically.
它的大光圈镜头可以摄入尽可能大的光量，所用技术并不需要笨重的自动对焦系统，曝光时间也是自动调节。
The very gravity distortion also effects the space-time continuum in the area, and creates a dimensional aperture field very similar to what occurs in the poles.
引力的极度扭曲也能对此区域的空间-时间的连续性产生影响，并产生一个维度裂缝，这种现象非常类似于在两极出现的现象。
If Keck can see back in time, imagine what the biggest telescope in the world, the Great Canary telescope, can pick up with its chart-topping aperture.
如果说凯克能回溯时光，世界上最大的望远镜——大加纳利望远镜拥有最为强大的物镜，又具有什么样的能力呢？
Under those conditions photographers shoot with a fast exposure time and small aperture.
在这种情况下拍摄者会使用很短的快门时间并调小光圈。
The focused synthetic aperture imaging processing is the available method to improve the azimuth resolution, but the operational quantity is so large that it could not accomplish in real time.
合成孔径成像是提高图像方位向分辨率的有效方法，但算法运算量大，在机载条件下往往实时性得不到保证。
In the same aperture value, I have found that the sky needs four seconds shutter time, but 40 seconds for the sea level.
在一样的光圈值，我测得天空需要4秒的快门时间，但海面需要40秒。
Using field programmable gate array (FPGA) for synthesized aperture radar (SAR) data compression can reduce the time of data compression, so it increases the resolution of radar.
用现场可编程门阵列（FPGA）对合成孔径雷达（SAR）原始数据进行压缩能降低数据压缩时间，增加雷达分辨力。
The influences of temperature, time and voltage on the thickness of oxidation film, aperture and order degree during anodic oxidation were studied by orthogonal test.
采用正交实验研究了阳极氧化时温度、时间、电压对氧化铝膜厚度、孔径和孔有序度的影响。
Through the comparison of ingredient, the phase separation temperature and time, acid treatment time, we get the best technology of how to control the aperture of the porous glass microsphere.
通过对多孔玻璃微珠组分对比，分相温度、时间的对比，酸溶时间的对比，得到控制多孔玻璃微珠最佳工艺。
The effect of integral time on aperture function in linear detector push-broom imaging system is analyzed.
分析了线列推扫成像中，积分时间对采样孔径函数的影响。
Finally laser cutting is a serial process so time-to-manufacture increases as aperture count does impacting the stencil 's final cost.
最后，激光切割是一系列过程，孔数增加，制作的时间增加，影响钢网最终成本。
However, the instantaneous bandwidth of signals is restricted for general phased array because of its transition time and aperture effect.
但是，基于移相器的普通相控阵天线在进行宽带宽角扫描时，由于渡越时间和孔径效应的影响，使信号的瞬时带宽受限。
I leave it set pretty much all the time, along with aperture priority.
我把它设置几乎所有的时间以及光圈优先。
This paper describes the design and realization of the azimuth preprocess in the real-time imaging processor of SAR with programmable logic device by the method of sub-aperture using band-pass filter.
该文讨论了在合成孔径雷达实时成像处理器中，采用子孔径带通滤波成像处理方法的方位预处理的设计，构造了一种用大规模可编程逻辑器件实现方位预处理的电路结构。
Camera lens should be set to infinity with maximum aperture. then point the camera to perseus or neighbour constellations for a5-minute exposure time and try your luck.
将镜头对焦至无限远，对准英仙座或其邻近星座，把光圈调至最大，曝光5分钟，应有收获。
We discuss the theory and real time realization of the digital pulse compression of the synthetic aperture radar (SAR).
讨论了合成孔径雷达(SAR)距离向数字脉冲压缩的原理和实时实现技术。
The results show that the dynamic spatial resolution in time direction has been improved by 15-20% when the aperture stop width is properly enlarged.
分析结果证明，在适当扩大孔径光栏宽度后，在时间方向上的动态空间分辨率可提高15～20％。
Range multi-aperture imaging algorithm is proved by theory that it can widen the swath and obtain high resolution at the same time.
理论上已经证实可实现超宽测绘带的距离向多孔径成像方法在增加测绘带宽的同时又可获得较高的分辨率。
Inverse synthetic aperture radar (ISAR) imaging of non-cooperative maneuvering multi-target is a challenging task due to its time-varying orientation and the relative motion among targets.
非合作的机动多目标相对于雷达射线的姿态是时变的，而且目标间可能存在相对运动，给逆合成孔径雷达(ISAR)成像造成较大困难。
Must know that the Orde outstanding lion big aperture is more than one months ago, in that time section, is precisely the manager asks an outrageous price, many foreign aids ask a price nearly double!
要知道，奥德杰狮子大开口是在一个多月前，在那个时间段，正是经纪人漫天要价的时候，许多外援的要价几乎都翻了一番！
The data volume and the high real-time are the two vital problems of Synthetic Aperture Radar (SAR) real-time imaging system.
高时效性和大数据量是合成孔径雷达(SAR)实时成像处理系统的两个主要问题。
This paper presents the principle of Sythetic Aperture Radar(SAR) imaging and describes the system hardware of airborneSAR real-time digital signal processing system with ultra-high speed DSP .
本文首先简单介绍了合成孔径雷达（SAR）成像原理，并对以超高速数字信号处理器（DS）为核心的机载合成孔径雷达实时成像处理系统的硬件结构作了描述。
The data volume and computation task of Synthetic Aperture Radar (SAR) is huge, very high speed computation is necessary for SAR real-time processing.
高时效性是SAR成像系统的一个关键性能，SAR成像处理数据量大，运算量大，要实现实时处理就要求运算速度极快。
Finally, laser cutting is a serial process, so time-to-manufacture increases as aperture count does, impacting the stencil's final cost.
最后，激光切割是一系列过程，孔数增加，制作的时间增加，影响钢网最终成本。
Finally, laser cutting is a serial process, so time-to-manufacture increases as aperture count does, impacting the stencil's final cost.
最后，激光切割是一系列过程，孔数增加，制作的时间增加，影响钢网最终成本。
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