The distance from user to reference station influences the positioning accuracy definitively in local area differential GPS.
利用局域差分GPS进行定位时,只有当流动站位于基准站构成的多边形网内时,才可能得到较高的精度。
JPALS, designed and developed by Raytheon under a U.S.Navy contract, is an all-weather, all-mission, all-user landing system based on local area differential Global Positioning system (GPS).
由雷神公司在美海军的合同下设计并开发的联合精确进场和着陆系统(JPALS),是一种全天候、全任务、全用户的着陆系统,基于当地的全球定位系统(GPS)。
JPALS, designed and developed by Raytheon under a U.S. Navy contract, is an all-weather, all-mission, all-user landing system based on local area differential Global Positioning system (GPS).
由雷神公司在美海军的合同下设计并开发的联合精确进场和着陆系统(JPALS),是一种全天候、全任务、全用户的着陆系统,基于当地的全球定位系统(GPS)。
JPALS, designed and developed by Raytheon under a U. S. Navy contract, is an all-weather, all-mission, all-user landing system based on local area differential Global Positioning system (GPS).
由雷神公司在美海军的合同下设计并开发的联合精确进场和着陆系统(JPALS),是一种全天候、全任务、全用户的着陆系统,基于当地的全球定位系统(GPS)。
It is dependent on the temperature differential between the inside and outside air, type and thickness of insulation, and the area of the conducting surfaces.
这个主要取决于内外空气的温度差、绝缘层的类型和厚度以及传导面的面积。
What if she winds up with a toddler who doesn't know if he should use an integral or a differential to solve the area under a curve?
如果她最好发现那小不点连曲线下面积该用积分还是微分算都不知道她会怎么想?
Based on the mathematical models of the air-in area and air-out area, the differential equations of the internal energy and mass of the gas in the cylinder were proposed.
为此在建立了摆盘发动机配气过程进排气面积数学模型的基础上,建立了缸内工质的内能和质量的微分方程。
The decentralization of sampled value and the uncertainty of sampled time bring forth the action fuzzy area of sampled value current differential protection.
电流数据采样的离散性和采样初始时刻的不确定性是导致采样瞬时值电流差动保护动作值模糊区产生的根本原因。
The porosity in a formation that has experienced differential compaction can vary considerably from one area to another.
经受差异压实作用后,岩层中的孔隙度在各地区能有相当大的变化。
A mathematical analysis was conducted for the ventilation process in the space of mining area underground and the differential equations were derived.
对井下采场空间的通风过程进行了数学分析,导出了通风微分方程序。
In the application of vehicle navigation in city area, Multi-path errors are the main error source of GPS high-precision differential positioning in a near distance.
在城市车辆导航过程中,多径误差是近距离差分gps等高精度定位的主要误差源。
The principle is to impose multiple differential operators on facial region, which highlights the nearby area of the facial organs and form many high-brightness distribution areas.
其原理是将多次微分运算施加于肖像的脸部区域,从而突显出脸部的高亮度分布区。
The acceleration is measured by modifying the effective overlap area of a differential capacitor pair and the linearity between output voltage and acceleration is ensured.
该加速度计根据差分电容极板间正对面积的改变来检测加速度大小,保证了输出电压与加速度之间的线性度。
It is important to note that the sticking force is a product of the differential pressure between the wellbore and the reservoir and the area that the differential pressure is acting upon.
注意到以下这一点很重要:即卡钻力是井内流体压力与地层压力之差与此压差所作用的面积的乘积。
This paper approaches with the problem of stable area in ordinary nonlinear third-order differential equations, which appears during the operating process of the series motor.
本文研究串激电机运行中出现的三阶非线性常微分方程的稳定域问题。
In order to compensate for the area deviation of differential cylinder and change the output flow of the pump, a program of parallel-type of three-window of variable axial piston pump was proposed.
为了补偿差动缸面积差和改变泵的输出流量,提出采用并联型三配流窗口的变量轴向柱塞泵方案。
Since the Cenozoic the neotectonic movement in the Western area of Beijing has been dominated by non-isostatic vertical differential uplifting, with many faulting, tilting and horizontal mov…
新生代以来,西山区新构造运动以不均衡的垂向差异性上升运动为主,兼有掀斜运动、断裂运动和水平运动。
Kaolinite from sediments in Prydz Bay and adjacent sea area is identified by X-ray differential thermal analysis, infrared absorption spectrum and electron micrograph.
本文对采自南极普里兹湾及邻近海域沉积物中的高岭石运用X射线衍射、差热分析、红外吸收光谱及电子显微照相等方法进行了鉴定。
An area-alterable differential capacitive sensor is discussed, which can measure both displacement and angle.
提出了一种可同时测量位移和角度的变面积式差动电容传感器的设计方案。
Because its rigidity are less than the drill collar, less contact area with wall of a well, is also not easy to form differential pressure sticking.
由于其刚性比钻铤少,和井壁接触面积小,也不容易形成压差卡钻。
Because its rigidity are less than the drill collar, less contact area with wall of a well, is also not easy to form differential pressure sticking.
由于其刚性比钻铤少,和井壁接触面积小,也不容易形成压差卡钻。
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