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公开(公告)号：US6031601A
公开(公告)日：2000-02-29
申请号：US112022
申请日：1998-07-08
申请人： Michael V. McCusker , James L. Sorden , Peter Raby
发明人： Michael V. McCusker , James L. Sorden , Peter Raby
摘要： An electronic distance meter comprises an integrated circuit from a GPS navigation receiver having a local pseudo-random number code generator for code demodulation that is connected to modulate either a polychromatic or a monochromatic light source. An optical system focuses the light on a distant target with an unknown range. Reflections from the distant target are focused on a light detector that produces a phase-delayed copy of the original pseudo-random number code. The time-of-flight to and back from the distant target is a function of the distance. The GPS receiver integrated circuit computes the range based on the code-phase delay to a precision better than one centimeter. The position of a remote target can be triangulated from several electronic distance meters each having known positions, e.g., determined by included GPS navigation receivers. Conversely, the position of a single electronic distance meter can be determined by triangulation by ranging to several remote targets each having known positions.
摘要翻译： 电子距离计包括来自GPS导航接收机的集成电路，该导航接收机具有连接到调制多色或单色光源的用于码解调的局部伪随机数码发生器。 光学系统将光聚焦在远距离的目标上，范围是未知的。 来自遥远目标的反射集中于产生原始伪随机数码的相位延迟拷贝的光检测器。 距离遥远目标的飞行时间是距离的函数。 GPS接收机集成电路将码相延迟的范围计算为精度高于一厘米。 远程目标的位置可以从具有已知位置的几个电子距离测距仪进行三角测量，例如由所包含的GPS导航接收机确定。 相反，单个电子距离计的位置可以通过测距到几个具有已知位置的远程目标的三角测量来确定。
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公开(公告)号：US6138367A
公开(公告)日：2000-10-31
申请号：US133994
申请日：1998-08-14
申请人： Peter Raby
发明人： Peter Raby
CPC分类号： G01C1/02
摘要： A tilt predictor incorporated into a total station to predict the degree of tilt of the rotational alidade portion of a total station corresponding to the rotational orientation of the rotational alidade portion. In one embodiment, the present invention defines the plane of rotation for the rotational alidade portion with the rotational alidade portion disposed in a first rotational orientation. The rotational alidade portion is then rotated to the desired rotational orientation. This embodiment then predicts the degree of tilt of the rotational alidade portion at the desired rotational orientation.
摘要翻译： 结合到全站仪中的倾斜预测器，用于预测对应于旋转轮播部分的旋转取向的全站仪的旋转飞镖部分的倾斜度。 在一个实施例中，本发明限定了具有以第一旋转取向设置的旋转舵杆部分的旋转踩踏部分的旋转平面。 然后将旋转的alidade部分旋转到所需的旋转取向。 然后，该实施例预测在所需旋转取向下的旋转al体部分的倾斜程度。
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公开(公告)号：US06243658B1
公开(公告)日：2001-06-05
申请号：US09584907
申请日：2000-05-30
申请人： Peter Raby
发明人： Peter Raby
IPC分类号： G01C500
CPC分类号： G01C1/02
摘要： A tilt predictor incorporated into a total station to predict the degree of tilt of the rotational alidade portion of a total station corresponding to the rotational orientation of the rotational alidade portion. In one embodiment, the present invention defines the plane of rotation for the rotational alidade portion with the rotational alidade portion disposed in a first rotational orientation. The rotational alidade portion is then rotated to the desired rotational orientation. This embodiment then predicts the degree of tilt of the rotational alidade portion at the desired rotational orientation.
摘要翻译： 结合到全站仪中的倾斜预测器，用于预测对应于旋转轮播部分的旋转取向的全站仪的旋转飞镖部分的倾斜度。 在一个实施例中，本发明限定了具有以第一旋转取向设置的旋转舵杆部分的旋转踩踏部分的旋转平面。 然后将旋转的alidade部分旋转到所需的旋转取向。 然后，该实施例预测在所需旋转取向下的旋转al体部分的倾斜程度。
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公开(公告)号：US06252863B1
公开(公告)日：2001-06-26
申请号：US08629963
申请日：1996-04-09
申请人： Peter Raby , Stuart Riley
发明人： Peter Raby , Stuart Riley
IPC分类号： H04B7212
CPC分类号： G01S19/22
摘要： Method and apparatus for synchronizing to a reference signal the timing of a received composite, code phase SATPS signal, such as a GPS or GLONASS signal, that consists of a preferred, interference-free signal distorted by at least one interfering signal, to determine an undistorted timing point, such as the preferred signal time of arrival. A first autocorrelation function ACI(&tgr;) is generated between the preferred, interference-free signal and a reference signal that replicates the preferred signal, as a function of the time shift &tgr; between the two signals. A second autocorrelation signal ACM(&tgr;) is measured between the reference signal and the incoming signal. Three amplitudes ACM(&tgr;M,e), ACM(&tgr;M,p) and ACM(&tgr;M,l) of the second autocorrelation function and the corresponding code phase time shift values &tgr;M,e, &tgr;M,p and &tgr;M,l are selected that satisfy at least one of the relations 0
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公开(公告)号：US6119355A
公开(公告)日：2000-09-19
申请号：US89055
申请日：1998-06-02
申请人： Peter Raby
发明人： Peter Raby
CPC分类号： G01C1/02
摘要： An audible signal generator incorporated into a total station to audibly indicate to the user the rotational orientation of the total station, and a method for using the audible indication to perform the tilt sensor calibration. In one embodiment, the present invention indicates to the user of the total station when the tilt sensor has been calibrated with the total station in a first rotational orientation. This embodiment then audibly indicates to the user when the rotational alidade portion of the total station has been rotated to a second rotational orientation. This embodiment then audibly indicates to the user when the tilt sensor has been calibrated with the total station in the second rotational orientation.
摘要翻译： 合并到全站仪中的可听信号发生器可听觉地向用户指示全站仪的旋转姿势，以及使用该可听指示来执行倾斜传感器校准的方法。 在一个实施例中，当倾斜传感器已经以第一旋转取向的全站仪被校准时，本发明向用户指示全站仪。 然后，该实施例当全站仪的旋转分度部分已经旋转到第二旋转取向时向用户可听地指示。 然后，该实施例在用第二旋转定向的全站仪校准倾斜传感器的情况下向用户可听见。
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公开(公告)号：US6014109A
公开(公告)日：2000-01-11
申请号：US21738
申请日：1998-02-11
申请人： Peter Raby
发明人： Peter Raby
摘要： The present invention provides a method and apparatus for expediently determining the azimuthal orientation of a total station. In one embodiment, the present invention is comprised of a total station having a vertical axis. The total station also includes a rotational alidade portion adapted to rotate about the vertical axis, and an electronic distance measuring portion. The present invention also includes a satellite-based position determining system antenna coupled to the total station. In the present invention, the satellite-based position determining system antenna is offset from the vertical axis. That is, in the present invention, the satellite-based position determining system antenna is not disposed coincident with the vertical axis of the total station.
摘要翻译： 本发明提供了一种用于方便地确定全站仪的方位角取向的方法和装置。 在一个实施例中，本发明包括具有垂直轴的全站仪。 全站仪还包括适于围绕垂直轴线旋转的旋转分度器部分和电子距离测量部分。 本发明还包括耦合到全站仪的基于卫星的位置确定系统天线。 在本发明中，基于卫星的位置确定系统天线偏离垂直轴。 也就是说，在本发明中，基于卫星的位置确定系统天线不与全站仪的垂直轴重合。
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