本文结合外辐射源雷达实验系统,讨论了多普勒距离坐标系中多目标情况下采用波门法进行航迹相关的算法实现,给出了实验结果。
Based on an experimental passive coherent radar system, this paper presents an algorithm to implement multitarget track correlation using doppler-range coordinate, and gives experimental results.
本教程还假设您了解地图的一些关键特性:距离、坐标和比例尺。
The tutorial also assumes you know some key features of a map: distance, coordinates, and scale.
地理坐标可以用来表示任何地方的点位置,但是不适合定义具有可度量长度的直线或计算距离。
While geographic coordinates can be used to represent point locations anywhere, they are not suitable for defining lines of appreciable length or computing distances.
坐标是数字值,代表角度或直线距离。
Coordinates are numeric values, representing either angles or linear distances.
如果你想求到中心的平均距离,球坐标还是不错的。
So, if you are asked to find the average distance from the origin, spherical coordinates can be interesting.
因此,坐标 (72, 72)表示距离页面左下角一英寸的点。
So the coordinate (72, 72) represents the point one inch in from the left and bottom of the page.
为了计算两个GPS坐标之间的距离,我找到了geopy;这是一个经过多年开发的库并附带大量示例(参见参考资料中的链接)。
For calculating distances between two GPS coordinates, I found geopy-a library that has been under development for several years and comes with a large number of examples (see Resources for a link).
在使用不同的距离按两根手指时,请注意TouchPad如何获得零触点以及X和Y坐标读数。
Notice how the TouchPad picks up zero fingers, as well as the X and Y coordinate readings when pressing two fingers at widely varying spaces.
极坐标是关于r,θ的,用r,θ代替平面上一点的x,y坐标,是从原点到那一点的距离,,which,is,the,distance,from,the,origin,to,a,point,θ是由x轴逆时针旋转,而得到的夹角。
Remember that polar coordinates are about replacing x and y as coordinates for a point on a plane by instead r, r and theta,which is the angle measured counterclockwise from the positive x-axis.
也可以把这种坐标,看成是空间中的极坐标,它其实使用了,距离原点的距离,然后用角度这种标尺,来确定了方向。
So, in a way, you can think of these as a space analog of polar coordinates because you just use distance to the origin, and then you have to use angles to determine in which direction you're going.
不过这份最新的专利中所描述的临近检测技术则可以感应出手指与触屏之间的间隔距离,并可以感应出尚未接触屏幕的手指在屏幕坐标上的投影坐标位置。
The latest patent describes proximity detection systems that can determine the distance between a finger and a display, along with its x and y coordinates above the interface.
该矢公式用于计算之间的两对大圈的距离,一般在一个球体上的坐标。
The Haversine formula is used generally for computing great-circle distances between two pairs of coordinates on a sphere.
你可以用虚坐标系统并且保持你的程序与硬件的距离,或者你可以用设备坐标系统而完全依赖于硬件。
You can use a virtual coordinate system and keep your program distanced from the hardware, or you can use the device coordinate system and snuggle right up to the hardware.
一种用点离基准线上(称极轴)固定点的距离和方向(角度)来表示点位置的坐标系统。
A system of coordinates in which a point is located by its distance and direction (Angle) from a fixed point on a reference line (called the polar axis).
该系统根据目标车辆在左右摄像头所获得的立体图像对应的不同坐标,计算出目标车辆到摄像头的距离。
According to the target vehicle in the camera around a binocular images obtained on the different coordinates, the system calculated the distance between the target vehicle and the camera.
水下机器人的定位系统利用超声波传感器获取距离信息,同时采用三点定位法计算出位置坐标。
The orientation system of underwater robot captures the distance information by the ultrasonic sensors, and uses thethree points location theory to compute the coordinate of the position.
本文提供了坐标系统的变换公式,以达到在同一椭球面上进行距离计算。
This paper affords the transformation formula of coordinate systems so that the calculation of propagation range may be carried out on the same spheroidal surface.
首先,利用共线性和欧氏距离不变性这两个特性可以求得图像中的点在相机坐标系(CCS)中的坐标。
First, the counterparts of the points on image in camera coordinate system (CCS) are found by utilizing two properties, namely collinearity and Euclidean distance invariability.
推导了在单元局部坐标系下判断等距合理性的计算方法,并且保证了等距前后单元所在平面之间的距离尽可能地接近所要等距的距离。
The judge methods of offset rationality is deduced at element local coordinate, and ensure that the element plane distance between after offset and before is close to the offset distance.
按一定的距离间隔对线路上部分塔位进行联测来获取所有塔位的坐标是一种经济适用的技术方案。
It should be a kind of technique project on economical and applicable, which we can obtain all towers coordinate by connection measure part towers each certain distance.
一般激光跟踪测量系统通过测量距离变化量和跟踪镜转角来确定目标的位置坐标。
In ordinary laser tracking and measuring system, the target coordinates are determined by measuring the variation of distance and the turning Angle.
其主要技术的应用涉及电视视频图象模拟技术、外弹道仿真及水柱坐标处理技术、距离方位法校射模拟技术及计算处理实时性技术。
The main technologies it involves including TV video image imitate; exterior ballistic simulation, waterspout coordinate processing; range bearing spotting imitate and real-time calculating.
用解析几何的公式直接计算某个点的坐标、点与点之间的距离、点到直线的距离等。
The coordinate of a certain point, the distances between points and distances from point to line are directly calculated with the analytic geometry formula.
在将两个摄像机对同一坐标系(全局坐标系)标定的基础上,提出了距离数据及纹理的融合方法。
A new method for merge of range data and texture based on calibrating two cameras in a world coordinate system is proposed.
通过计算交点坐标值,计算评定点到曲线距离和隶属函数求解建立缺陷模糊评定模型。
Calculating the intersection coordinate, calculating the distance between assessment point and curve, and resolving the membership function established the defect fuzzy assessment model.
度量为坐标系定义的几何函数,有了它,坐标系上任意两点间的距离可以通过点的坐标来计算。
A geometric function defined for a coordinate system such that the distance between any two points in that system may be determined from their coordinates.
测勘或者土地测勘是指精确测量地面或者立体坐标、距离、角度的一种技术。
Surveying or land surveying is the technique and science of accurately determining the terrestrial or three-dimensional space position of points and the distances and angles between them.
这样在处理地理坐标下的数据的时候就出现问题,原因是水平距离单位为经纬度。
When working with data in geographic coordinates, this is a problem because the linear distance of a degree of latitude varies.
杰克的工具包括一个指南针,虚职,您的地支坐标,您的高度,你的速度和航向(包括平均及最高速度标记),基地距离,以及健全的米。
Jack of Tools includes a compass, virtual level, your Earthly coordinates, your altitude, your speed and heading (including average and maximum speed markers), base distance, and a sound meter.
杰克的工具包括一个指南针,虚职,您的地支坐标,您的高度,你的速度和航向(包括平均及最高速度标记),基地距离,以及健全的米。
Jack of Tools includes a compass, virtual level, your Earthly coordinates, your altitude, your speed and heading (including average and maximum speed markers), base distance, and a sound meter.
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