基于非量测数码影像的地形数据采集信息系统设计与开发。
The design and development of the topographic data extraction information system based on non-metric digital imagery.
由此可见利用非量测数码相机获取序列轨道影像进行轨道平顺性检测，技术可行。
Therefore, the technique, which the sequence track images are taken by non-metric digital cameral for surveying the track smoothness, is feasible.
推导了采用基于数字阵列坐标的直接线性变换方法的非量测普通数码相机方位元素解算方法。
The calculating equations for orientation elements of common digital camera are deducted using DLT method based on digital array coordinator assumption.
本文的主要内容如下：（1）相机标定运用单像灭点理论，对实验所使用的非量测数码相机进行标定。
The main content of the paper is as follow:(1) camera calibrationUse the single-view calibrating method of vanishing points to calibrate the non-metric digital camera.
用普通数码相机获取数字影像具有一定的优势，但由于普通数码相机是一种非量测相机，其数据处理需要特殊方法。
Ordinary digital camera has its own advantages in obtaining digital images, but its data processing needs a special method because the digital camera belongs to non metric camera.
对非量测用摄影机所摄影像的解析处理，控制点起着不可缺少的桥梁作用，控制点的数量和分布形式将直接影响平差结果的可靠性和精度。
In the data processing of photography obtained by non surveying camera, the number and distribution of control points will directly effect the reliability and precision of the adjustment results.
研究结果表明，采用SIFT算法提取特征点实现基于普通非量测相机无人机遥感系统获取的影像快速自动拼接在技术上是可行的，满足减灾救灾工作的突发性要求。
The results of this study show that it is feasible for image rapid automatic stitching by SIFT key point extraction. It also meets the disaster reduction and relief requirements.
同时，在该非等间隔卡尔曼滤波算法的基础上，提出了解决量测滞后的方案。
And based on the in-coordinate interval kalman filtering algorithms, the paper gave the scheme of solving the measurement delay.
采用自行研制的水泥砂浆塑性收缩应力测试装置和非接触式测长装置，分别研究了低掺量的聚丙烯纤维对水泥砂浆塑性收缩应力和塑性收缩率的影响。
The effects of polypropylene fiber on the plastic shrinkage stress and plastic shrinkage ratio of the mortars were investigated by use of a self-designed measuring device.
水轮发电机组是一个变参数的非最小相位环节，并且只有部分状态可直接量测。
Hydroelectric generating set is a non-minimum phase system which has some variable parameters. Only part of its states can be measured directly.
数值研究了非相干光反馈时半导体激光器输出功率随反馈系数的变化关系以及待测物体离焦量与反馈系数的关系。
Relationships between output power of laser diode and optical feedback coefficient, optical feedback coefficient and defocusing amount are numerically investigated.
介绍了滤纸法量测非饱和土吸力的工作原理，以及滤纸接触法量测土体基质吸力和非接触法量测土体总吸力的试验方法和注意事项。
The basic principle, approach and precautions for measuring both the matric and the total suction of unsaturated soils using the filter paper method are introduced.
介绍了滤纸法量测非饱和土吸力的工作原理，以及滤纸接触法量测土体基质吸力和非接触法量测土体总吸力的试验方法和注意事项。
The basic principle, approach and precautions for measuring both the matric and the total suction of unsaturated soils using the filter paper method are introduced.
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