The simplest way to do this is to choose a small Aperture setting (a large number) as the smaller your aperture the greater the depth of field in your shots.
最简单的办法是选用最小的光圈设定（镜头上显示的最大的数字），光圈越小，你所获得照片的景深就会越大。
Portrait mode chooses a large aperture (a small 'f' number) which will make the depth of field (the amount of your shot in focus) smaller.
人像模式用一个大光圈(f值小)，而让景深(清晰对焦的那部分)变小。
The f-stop, otherwise known as the aperture, determines your depth of field (the area in focus) and how much light can pass through the lens to reach the sensor.
f制光圈(或称光圈)决定相机的景深(对焦区域)以及有多少光能通过镜头到达传感器。
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。
Aperture Priority Mode is a great way to control depth of field as it will ensure your images are well exposed.
这个半自动的模式是控制景深并保证良好曝光的绝好方式。
You set the aperture, which dictates how much light comes into the camera-do you want a nice, shallow depth-of-the-field, or everything in focus?
你设置光圈(用于指定有多少光进入照相机镜头)——你想照一幅漂亮、浅景深或广角的照片吗？
A full description of the variable aperture collimator, which makes it easier to switch field size during CyberKnife procedures, is published in Physics in Medicine & Biology.
可变孔径准直器在赛博刀治疗规程中能更容易地切换射野大小，关于它的完整性能描述刊登在了《医学与生物学物理》杂志上。
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 aperture field distribution of the ring focus antenna is reviewed in view of the energy conservation law, and the simple formula for calculating its radiation pattern is deduced.
该文从能量守恒观点出发，讨论了副面为椭圆的环焦天线的口径场分布，并导出了计算其方向图的简单表达式。
Signal acquisition and processing are major research contents in the field of Interferometric Synthetic Aperture Sonar(InSAS).
在干涉合成孔径声纳成像系统研究中，声纳信号采集与处理是该领域的主要研究内容。
The energy distribution of far field spot for annular aperture Gaussian beam is discussed and the fitting expression is given.
讨论环形孔径高斯光束的远场光斑能量分布，并给出拟合表达式。
Inverse Synthetic Aperture Radar (ISAR) is attracting more and more attention in the world, and is becoming a new research field in signal processing.
逆合成孔径雷达(ISAR)成像是目前世界上雷达成像处理中的研究热点，也是信号处理中的一个崭新领域。
A holographic technique is investigated for amplitude and phase distributions in the aperture of a phased array antenna by using near field measurements.
研究了一种利用近场测量技术全息成像相控阵天线口径幅相的方法。
Based on geometrical optics theory, the re-radiation is analysed by using aperture field method.
根据几何光学理论，利用孔径场法进行了分析。
This paper makes research on parabolic cylindrical antenna with feed for linear arrays, generates aperture-field analysis methods and simulation results of parabolic cylinder and feed.
本文对一种直线阵馈电抛物柱面天线进行了研究，并给出了抛物柱面和馈源的口径场分析方法以及仿真结果。
At full aperture, the depth of field (DOF) is extremely shallow.
在全光圈，景深(自由度)是非常肤浅的。
It utilizes the evanescent field confined at the tiny aperture for providing images of object surfaces with a resolution beyond the classical optical diffraction limit.
这种显微镜利用局限在微小孔径上的隐失场提供物体表面形貌的细节，其分辨率可突破传统光学的衍射极限。
Two methods and devices which are changeable aperture and movable aperture for measuring the mode-field radius of single-mode optical fibers are presented.
介绍两种快速测量单模光纤模场半径的方法及其测量装置——可变孔径法和移动圆孔法；
Three key parameters, namely beamwidth, directivity and maximum sidelobe level, are drawn versus the distance between field points and the center of aperture.
采用口径场绕射积分求取了天线的近场及远场方向图，绘制了波束宽度、方向性和最大副瓣电平三个关键参数随场点距离的关系曲线。
A windowed very small aperture laser (VSAL) source for use in high resolution near field optical data storage is fabricated.
报道了一种窗口型的用于高分辨率近场光学存储领域的极小孔激光器。
The near-axis field distribution of circular aperture antennas is obtained by numeric integration method.
采用数值积分方法分析了圆口径天线非轴向近场分布特性。
For the focusing current distribution over the antenna aperture, the authors have got the field distribution diagrams of the focus and around it.
对于天线口面上的聚焦电流分布，求得了聚焦点及其周围附近的场分布。
Microstrip and coaxial-cable are used to feed to the antennas. Electromagnetic field can radiate to space through the patches and the aperture which connect to the ground plane.
它利用微带线或者同轴线等馈线馈电，在导体贴片与接地板之间激励起辐射电磁场，并通过贴片四周与接地板之间的缝隙向外辐射。
The gated silicon field emitter arrays (FEA) with small gate aperture have been successfully fabricated by dry etching, including ion beam etching (IBE) and reactive ion etching (RIE).
利用离子束刻蚀(IBE)和反应离子刻蚀(RIE)等干法刻蚀方法来制造带栅极的场发射阴极阵列。
Selects the optimum shutter speed automatically according to the user-selected aperture for creative control of the depth of field.
根据选择的光圈，能自动选择最佳快门速度，以得到最好的景深效果。 收藏。
This formula is not limited by the aperture radius and the distance from the screen and can be used as a theory of near field optics.
推导了圆孔衍射公式，该公式不受孔径大小和到屏距离的限制，可以作为近场光学的理论。
The Mak-Newtonian design provides large aperture apochromatic performance with exceptional field correction in a compact, affordable package.
这个马卡-牛反的设计提供大口径的高消色差性能并伴有优异的视场矫正。望远镜采用了坚固的镜体。
It is found that lots of intensity spikes emerge and the near field intensities are non-uniformity when the pulses pass through the aperture.
分析发现激光束通过硬边光阑后会出现大量的强度尖峰，引起近场的强度分布不均匀。
The near field properties of circular aperture antennas with Gaussian amplitude distribution are analyzed by the aperture field integration method in this paper.
采用口径场法对具有高斯幅度分布的圆口径天线辐射近场进行了分析。
Next the electromagnetic field on aperture was found, and then proceeded to sum up five common features of aperture field of parabolic antenna.
接着求出口径上的电磁场，进而归纳出抛物面天线口径场的四大共同特征。
应用推荐