介绍一种新的差分gps方法，既位置差分法。
使用位置差分法将减少目标位置监测系统的造价，使目标用户设备简单、造价低，而且重量轻（因为在军事上对于目标携带设备的重量要求往往很苛刻）
This method will reduce the cost of target monitoring DGPS system, and simplify the target borne equipment to reduce the weight of the equipment.
从速度方面来说，一份CWA的调查把美国放在世界范围的第15位，与处于领先位置的日本、韩国与芬兰差之甚远。
In terms of speed, a CWA study puts the U.S. at position 15 on a worldwide scale, far behind the leaders Japan, South Korea and Finland.
然而，在患者中，它在异常位置呈团块出现：通常是在胞核外，但有时出现在光密度差的、透镜状团块中。
In sick patients, however, it shows up as clumps in unusual places: usually outside the nucleus but sometimes in an odd, lens-shaped clump inside.
天线位置设计缺陷引起接收信号差(iPhone4)。
管壁材料的折射率越大，测量体的位置与管壁厚趋时位移差也越大。
If the refractive index is larger, the translocation difference of the measurement volume is larger.
斜面上钻孔与平面上钻孔相比，由于加工初期条件差，孔的相对位置精度低，刀具更容易折损。
Drilling on inclined surfaces has such problems as the decrease of hole accuracy and damage of tools compared with the drilling on flat surfaces.
对单个历元的双差载波相位观测方程进行零空间变换，避免了实时变化的三维位置参数求解；
It transforms the double-differential carrier observation equation using null space transformation so that it need not to resolve real-time three-dimensional position parameters.
本文运用差分法求解了聚焦超声加热的二维稳态温度场，比较了声场与温度场的特征，分析了耦合层厚度与治疗区大小、位置的关系。
Characteristics of sound field and temperature field, and the relation between the width of coupling layer, the size and the position of treated area are presented.
与倾斜式结构相比，直线式结构截止阀在全开位置具有更高的压差(压力损失)。
The full open position in straight pattern globe valves has higher differential pressure (pressure losses) than an oblique pattern valve.
采用差压铸造工艺，研究垂直缝隙式浇注系统浇注的铝合金硅铸件不同位置的组织和力学性能变化。
Different site microstructure and mechanical properties of aluminum-silicon alloy in differential pressure casting process were investigated. The gate system was adopted vertical slitting gate system.
根据伺服机构的位置控制精度要求，导出了压差故障门限的估算公式，其结论便于工程应用。
According to the requirment of the position preasion. The fault detection threshold was derived the-orily. This design method can be easily applied to practical engineering.
研究认为钻探失利是所钻圈闭构造位置较高、剥蚀强烈、油气保存条件差所致。
It is believed that drilling failure is due to the high structural position of the drilled trap, strong denudation and poor oil and gas. preservation conditions.
探讨与研究了RBN／DGPS用户的静态定位经纬度残差与动态定位平均位置残差的校正数学模型。
The mathematics model is closely studied of residual correction of the dynamic fixed average position and static fixed position of longitude and latitude of the RBN/DGPS customer.
对加工过程进行详细分析，指出止动槽位置超差因素并制定了控制止动槽超差措施。
The processing is detailed analyzed, the groove position exceeding tolerance factors are gave and measures of controlling groove-tolerance are worked out.
编队卫星的控制和应用需要确定编队卫星的运动状态，包括卫星绝对的和相对的位置、姿态以及钟差。
Control and application of satellite formation require measurement of the formation states, including absolute and relative position, attitude and clock bias separately.
利用GPS差分技术确定载体运动加速度，其方法有三种：位置微分法、速度微分法和加速度直接解算法。
There are three methods for the determination of the acceleration based on differential GPS carrier-phase technology: position differentiating, velocity differentiating and direct carrier method.
针对相距公里级的编队卫星，相对状态估计精度为：相对位置达厘米级，相对姿态角达角分级，相对钟差达十纳秒级。
The results indicate that the accuracy of relative position reaches centimeter, the relative attitude reaches minutes and the clock bias reaches about ten nsec.
研究了采样与静差补偿，以及四元数、姿态、位置和速度更新的算法。
The sample and static error compensation, quaternion and attitude updating and algorithm of station and velocity updating were researched.
似然变量的一阶差分，可以用于检测来自其它概率分布的数据点的位置，改善反褶积的效果。
The first order difference of likelihood variable may be used to locate data points in other probability distributions and to improve deconvolution result then.
提出了对彩色胶片进行颜色测量时所用的红色、绿色和蓝色峰值位置，半波宽度和峰值允差。
The corresponding peak value position, half band-width and peak value's allowance of Red, Green and Blue of color measurements of color negative films are provided.
目前市面有售的手持式接收器，价格便宜但准确度相当粗劣，测得的位置可能差上好几公尺。
The accuracy of the inexpensive , handheld receivers that are currently available is quite coarse —the positions can be off by many meters .
清管球的运动速度取决于气液混合速度和在管道中的位置，而清管球前后的压差也和气液混合速度以及在管道中的位置有关。
The moving velocity and pressure drop of the pig depend on the homogeneous mixture and the locations of the pig in the pipeline.
首先初始化序列图像，然后确定搜索区域，计算最小绝对差，返回图像的坐标值，进行坐标变换，最终计算得出两帧图像的位置变化；
First, initialize the image sequence, and then define search area, compute the MAD, return the coordinates of image, transform the coordinates, at last, get the change of two images.
然后对位置估计结果使用残差加权算法进行NLOS误差抑制。
Then it USES Residual Weighting Algorithm to the result of estimation in order to restrain NLOS error.
实验表明，采用该方法对光纤准白光干涉信号零光程差位置的定位精度优于0.5个干涉条纹。
The experiments show that the positioning accuracy of extrapolation method for zero optical path difference point of fiber quasi-white interference signal is less than 0.5 interference fringes.
实验表明，采用该方法对光纤准白光干涉信号零光程差位置的定位精度优于0.5个干涉条纹。
The experiments show that the positioning accuracy of extrapolation method for zero optical path difference point of fiber quasi-white interference signal is less than 0.5 interference fringes.
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