没变焦距缩放。
介绍远焦小型变焦距物镜的设计原理及方法。
The design methodology of miniature linear zoom objective lens of far-focus is presented.
镜头畸变模式描述了如何根据相机畸变系数改变焦距。
The lens distortion model describes how the distortion coefficients change according to camera focal length.
介绍了采用机械补偿方式的变焦距镜头模块化设计方法。
A modularized design method for a zoom lens with mechanical compensation is presented.
变焦距物镜组对整个系统的光学信息传递有着重要的作用。
Zoom lens plays an important role in the optical information capture of the whole optical system.
目前，研究工作在类似的光学系统，这使得有可能改变焦距。
At present researchers work at the analogous optical system, which makes possible to change focal length.
根据光学补偿变焦距理论，作者设计出光学补偿式步进变焦物镜。
According to the theory of optical compensated zoom, author designed optical compensated step zoom lenses.
本文以液体透镜技术及其在微型变焦距系统中的应用为中心展开研究。
The liquid lens technology and its application in the micro zoom system were discussed in this dissertation.
采用适应法光学自动设计程序进行像差平衡，提高变焦距物镜的像质。
Aberration balancing with automatic correction software using adaptive method can improve the image quality.
与传统变焦距系统相比，该变焦距结构形式较容易实现高变倍比变焦。
Compared with the traditional zoom system, this type of zoom system structure is easier to obtain high zoom ratio.
介绍了变焦距镜头在高速电视测量仪中用于精密测量的控制和标校方法。
Introduced a method of controlling and calibrating focal length about zoom lens used in precision measurement in High-Speed TV measurement Instrument.
简要介绍了变焦距电视摄像镜头光学系统像差平衡方案及主要像差结果。
The aberration equilibrium of the zoom optical system of television camera and the main aberrations have been simply discussed.
最后以设计一个普通的摄像物镜为例，演示了矩阵光学在设计变焦距镜头中的应用。
At last, the application of matrix optics is demonstrated in designing a zoom system of a general camera lens.
介绍了含有棱镜系统的数字光处理器(DLP)投影仪连续变焦距远心镜头的设计。
The continuous telecentric zoom lens for a digital light processor (DLP) projector with prisms is presented.
变焦距光学系统凸轮曲线设计是保证光学系统变焦精确、平滑和驱动力均衡的关键。
The design of the CAM curves of the zoom system is critical to keep the precise, smooth and balance movement of the optical system.
最后以设计一个普通的摄像物镜为例，演示了矩阵光学在设计变焦距镜头中的应用。
At last, the application of matrix optics is demonstrated in designing a zoom system of a...
变焦距光学系统已经在各种光学仪器上获得了广泛的应用，一些新的设计思想也层出不穷。
Zoom optical systems have been widely used on all kinds of optical instruments, and more and more new design methods have been employed.
经过系统的理论分析，具体的推导计算得到了结构简单、性能可靠、成像质量理想的变焦距物镜。
By making a systematic theory analysis, specifically calculating deduction, an ideal zoom lens which has simple configuration, performance reliability, good image quality has been successfully gained.
而小波具有“变焦距”特性，在时域和频域中具有良好的局部分析能力，适合于超声等非平稳信号处理。
The wavelet transform has a good performance of local analyzing in both time domain and frequency domain. It is fit for analyzing non-stationary signals, such as ultrasonic signal.
论文采用手持摄像机的形式来模拟装载在智能车辆上的可变焦距的摄像机，对采集到的视频图像进行处理。
In the experiments, used hand-held video camera to replace the video camera equipped on the moving vehicle to process the images.
这种变焦距物镜有两个优点，一是可以实现高倍率变焦，二是容易消除在变焦过程中产生的像点移动现象。
Firstly, the zoom ratio may be enlarged. Secondly, the image point movement may be easily eliminated. The principle of optical compensated step zoom lens is explained.
所设计的变焦距物镜适用于多种医用内窥镜图像显示系统，其像质可与高分辨率的CCD图像传感器匹配。
The designed zoom objective lens can be applied to various medical endoscope imaging systems with good image quality to match the high resolution of CCD image sensors.
为了寻找新的变倍补偿方式并降低设计变焦距系统时对经验的过分依赖，提出了一种光焦度分配及变焦补偿方法。
In order to arrive a new compensation mode that reduces the dependence on design experience for a zoom lens, a way for power allocation and compensation is proposed.
进一步研究变焦距系统远心光路的结构特征，得出了使系统在整个变焦过程中都处于远心位置的光阑轴向位移方程。
To study the structure of telecentric beam path for zoom lens system, the axial displacement equation for the stop was deduced, which keep the system telecentric in all zoom position.
小波变换具有良好的时频局部性，具有变焦距的特点，对故障信号中的奇异点能够准确识别，是论文中应用的主要分析方法。
Having good time-frequency localization character, and correctly identifying singularity point in fault signal, Wavelet is the main analysis method in this paper.
小波变换具有良好的时频局部性，具有变焦距的特点，对故障信号中的奇异点能够准确识别，是论文中应用的主要分析方法。
Having good time-frequency localization character, and correctly identifying singularity point in fault signal, Wavelet is the main analysis method in this paper.
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