公开(公告)号：WO2005026661A1

公开(公告)日：2005-03-24

申请号：PCT/US2004/009720

申请日：2004-03-30

Applicant: BAE SYSTEMS INFORMATION AND ELECTRONIC SYSTEMS INTEGRATION INC. ,  GRASSO, Robert, J.

Inventor： GRASSO, Robert, J.

IPC: G01C03/00

CPC classification number: G01S17/89 ,  G01S17/026 ,  G01S17/66 ,  G01S17/88 ,  H04B11/00

Abstract: A method for detecting, tracking and locating submarines (24) utilizes pulsed coherent radiation from a laser (12) that is projected down through a water column, with particles in the water producing speckle from backscatter of the random particle distribution, with correlation of two closely time-spaced particle-based speckle patterns providing an intensity measurement indicative of the presence of a submarine. Subsurface submarine movement provides a subsurface wake which causes movement of particles such that two closely-spaced “snapshots” of the returns from particles in the same water column can detect particle movement due to the wake. The magnitude of the speckle pattern change indicates particle movement. In one embodiment, the return signals are imaged onto an intensified CCD or APA array that capture two successive laser pulses through the utilization of dual pixel registered cameras. Note that in the subject system, phase information is converted to measurable intensity information relating to particle motion.

Abstract translation: 一种用于检测，跟踪和定位潜艇（24）的方法利用来自激光（12）的脉冲相干辐射，其通过水柱向下突出，水中的颗粒从随机粒子分布的后向散射中产生斑点，其中两个相关 紧密的时间间隔的基于粒子的散斑图案，提供指示潜艇的存在的强度测量。 地下潜艇运动提供了一个次表面的尾流，导致颗粒运动，使得同一水柱中颗粒的返回的两个紧密间隔的“快照”可以检测由于尾流引起的颗粒运动。 斑点图案变化的大小表示粒子运动。 在一个实施例中，将返回信号成像到增强的CCD或APA阵列，其通过利用双像素注册的相机捕获两个连续的激光脉冲。 注意，在主题系统中，相位信息被转换成与粒子运动相关的可测量的强度信息。

公开(公告)号：WO1995029380A1

公开(公告)日：1995-11-02

申请号：PCT/US1995004550

申请日：1995-04-13

Applicant: SIMAN SENSORS & INTELLIGENT MACHINES LTD. ,  FRIEDMAN, Mark, M. ,  FAIBISH, Sorin ,  ADORIAN, Yitzhak ,  BEN-ZVI, Amos

Inventor： SIMAN SENSORS & INTELLIGENT MACHINES LTD. ,  FRIEDMAN, Mark, M.

IPC: G01C03/00

CPC classification number: G05D1/0274 ,  G01C15/002 ,  G01C21/00 ,  G05D1/0236 ,  G05D1/024 ,  G05D1/0244 ,  G05D1/027 ,  G05D1/0272

Abstract: A large area autonomous vehicle system. The system includes a platform and a controllable mechanism for displacement of the platform. The system further includes a navigation mechanism for controlling the operation of the controllable mechanism. The navigation mechanism, in turn, includes a number of selectively placeable retroreflectors and a scanning rangefinder mounted on the platform which directs pulses of radiation toward the retroreflectors. The navigation mechanism further includes a bearing mechanism which is associated with the scanning rangefinder for determining the azimuthal orientation of one or more of the retroreflectors. A range determining mechanism is associated with the scanning rangefinder for determining the range of one or more of the retroreflectors. The range determining mechanism includes one or more optical fibers through which some of the radiation is routed, and further includes a mechanism for determining the difference in arrival time of the radiation from the retroreflectors and through the optical fiber. Finally, the navigation mechanism includes a mechanism responsive to the sensed range and angular orientation of the retroreflectors for providing operating instructions to the controllable mechanism.

Abstract translation: 大面积自主车系统。 该系统包括平台和用于平台移位的可控机构。 该系统还包括用于控制可控机构的操作的导航机构。 导航机构又包括多个选择性可放置的后向反射器和安装在平台上的扫描测距仪，其将辐射脉冲引向后向反射器。 导航机构还包括与扫描测距仪相关联的用于确定一个或多个后向反射器的方位取向的轴承机构。 范围确定机构与用于确定一个或多个后向反射器的范围的扫描测距仪相关联。 范围确定机构包括一个或多个光纤，一些辐射通过该光纤路由，并且还包括用于确定来自后向反射器和通过光纤的辐射到达时间的差异的机构。 最后，导航机构包括响应于后向反射器的感测范围和角度定向的机构，用于向可控机构提供操作指令。

公开(公告)号：WO1991002942A1

公开(公告)日：1991-03-07

申请号：PCT/US1990004189

申请日：1990-07-19

Applicant: SUNDSTRAND DATA CONTROL, INC.

Inventor： SUNDSTRAND DATA CONTROL, INC. ,  HOWARD, Bruce, S.

IPC: G01C03/00

CPC classification number: G01S1/70 ,  G01S17/87

Abstract: A portable siting system particularly useful for siting a portable localizer (20) for a collocated approach guidance system for aircraft utilizes a laser range finder (32) in conjunction with a shaft encoder (26) to determine the distance between the localizer (20) and two arbitrary points (54, 58) along a runway center line (62) as well as the azimuth offset between the two points (Υ2-Υ1). A microprocessor (38) is used to compute the number of degrees (Υ6) the antenna (22) of the localizer must be rotated so that its beam intersects the extended runway center line at a predetermined point (18) based on trigonometric computations performed on the two measured distances and the measured angle.

公开(公告)号：WO1979000013A1

公开(公告)日：1979-01-11

申请号：PCT/US1978000023

申请日：1978-06-26

Applicant: WOO J ,  LIEN Y

IPC: G01C03/00

CPC classification number: G01B3/004 ,  G01B11/02

Abstract: An instrument for precise measurement and setting of distances has an electronically controlled scale comprising optically active elements (10), an electronically controlled digital display (20), and a keyboard (30). The display and keyboard are mechanically rotatable and connected by electronic circuitry including a micro-processor. The light scale provides optical indicia, including a reference point and a cursor, having positions which are determined by keyboard entries and are displayed numerically.

公开(公告)号：WO1996039611A1

公开(公告)日：1996-12-12

申请号：PCT/AU1996000338

申请日：1996-06-04

Applicant: AUSTRALIAN DEFENCE INDUSTRIES LTD. ,  KANE, Roy, Edward ,  SEIT, Andrew, Kin, Hing ,  BIJAK, George, Joseph ,  KAVANAGH, John, Kingsley ,  WHITE, Timothy, John ,  WALSH, Michael, Joseph ,  NEWELL, Geoffrey, Victor ,  SCHNELL, Walter, Rene

Inventor： AUSTRALIAN DEFENCE INDUSTRIES LTD.

IPC: G01C03/00

CPC classification number: G01C3/08 ,  G01S7/4802 ,  G01S7/4811 ,  G01S7/4813 ,  G01S7/489 ,  G01S7/51 ,  G01S17/10

Abstract: The present invention relates to a range determination apparatus, in particular to a laser range finding apparatus. Presently available range finders usually provide a read out of the range to a single target and are unable to distinguish between multiple targets. Either the largest signal or the signal of the target closest to the range finder will generally be the one displayed. The present invention provides a display of range to multiple targets and also a display of the relative strength of each of the multiple target signal returns. This enables an operator to distinguish between targets in his field of view and locate the desired target and the range thereto. The display is preferably histogrammatic.

Abstract translation: 本发明涉及一种范围确定装置，特别涉及一种激光测距装置。 目前可用的测距仪通常提供从单个目标读取范围，并且无法区分多个目标。 最接近测距仪的目标的最大信号或信号通常是显示的。 本发明提供了对多个目标的范围的显示，并且还提供了多个目标信号返回中的每一个的相对强度的显示。 这使得操作者能够区分他的视场中的目标并定位所需的目标及其范围。 显示器优选地是直方图的。

公开(公告)号：WO1996012932A1

公开(公告)日：1996-05-02

申请号：PCT/US1995011353

申请日：1995-09-05

Applicant: AUTOMOTIVE SYSTEMS LABORATORY, INC.

Inventor： AUTOMOTIVE SYSTEMS LABORATORY, INC. ,  CAMPBELL, James, A. ,  GILLIS, Edward, J.

IPC: G01C03/00

CPC classification number: G01B11/026 ,  G01C3/085

Abstract: An optical distance measuring system (100) includes a limit detector (102) positioned proximate and oriented relative to a sensing means (18) for detecting light returning from an object (22) which otherwise substantially misses the active sensing area of the sensing means (18) after imaging by a receiver lens (16). The limit detector (102) provides an output that indicates the object is located at a distance less than a minimum distance inherently needed by the system (100) to provide accurate distance measurements.

Abstract translation: 光学距离测量系统（100）包括极限检测器（102），所述极限检测器（102）相对于感测装置（18）定位成接近并定向，用于检测从物体（22）返回的光，否则基本上不会感测到感测装置的主动感测区域 18）。 极限检测器（102）提供指示物体位于距系统（100）固有需要的最小距离的距离处以提供准确的距离测量的输出。

公开(公告)号：WO1994005970A1

公开(公告)日：1994-03-17

申请号：PCT/US1992007615

申请日：1992-09-09

Applicant: SPATIAL POSITIONING SYSTEMS, INC.

Inventor： SPATIAL POSITIONING SYSTEMS, INC. ,  DORNBUSCH, Andrew, W. ,  LUNDBERG, Eric, J. ,  BELIVEAU, Yvan, J.

IPC: G01C03/00

CPC classification number: G01C15/002

Abstract: A spatial positioning system includes fixed referent stations (101, 102 or 103) which emit rotating, divergent laser beams (130) and a portable reflector (200). Each fixed station also includes a detector (330) and a processor (120). The portable reflector may include retroreflectors or transponders (340). When the rotation of the laser beam is such that it is in line with a portable reflector, the transmitted laser beam is reflected off the portable reflector and received at the fixed receiver. For any point which is crossed by the fanned laser beams of a fixed station, a horizontal angle can be determined. Once these horizontal angles are known for three fixed stations, the point of intersection of three planes, and thus the three-dimensional position of the point, is determined.

Abstract translation: 空间定位系统包括发射旋转的，发散的激光束（130）和便携式反射器（200）的固定指示站（101,102或103）。 每个固定站还包括检测器（330）和处理器（120）。 便携式反射器可以包括后向反射器或转发器（340）。 当激光束的旋转使其与便携式反射器一致时，透射的激光束从便携式反射器反射并在固定的接收器处被接收。 对于由固定台的扇形激光束穿过的任何点，可以确定水平角度。 一旦三个固定站已知这些水平角，则确定三个平面的交点，从而确定点的三维位置。

公开(公告)号：WO1997036147A1

公开(公告)日：1997-10-02

申请号：PCT/IB1996000424

申请日：1996-03-28

Applicant: SYNTHONICS INCORPORATED

Inventor： SYNTHONICS INCORPORATED ,  PALM, Charles, S.

IPC: G01C03/00

CPC classification number: G01C3/08 ,  G06T7/70 ,  G06T2207/30244

Abstract: Methods and apparatus for accurately surveying and determining the physical location of objects in a scene are disclosed which use image data captured by one or more cameras and three points from the same scene which may be either measured after the images are captured or may be included in the calibrated target placed in the scene at the time of image capture (800). Objects are located with respect to a three-dimensional coordinate system defined with reference to the three points (820). The methods and apparatus permit rapid set up and capture of precise location data using simple apparatus and simple image processing. The precise location and orientation of the camera utilized to capture each scene is determined from image data (860), from the three point locations and from the optical parameters of the camera.

Abstract translation: 公开了用于精确测量和确定场景中物体的物理位置的方法和装置，其使用由一个或多个照相机捕获的图像数据和来自相同场景的三个点，其可以在拍摄图像之后测量或可以被包括在 在图像捕获时放置在场景中的校准目标（800）。 对象相对于参照三点（820）定义的三维坐标系定位。 该方法和设备允许使用简单的设备和简单的图像处理快速建立和捕获精确位置数据。 从图像数据（860），从三个点位置和相机的光学参数确定用于捕获每个场景的相机的精确位置和方向。

公开(公告)号：WO1995015479A1

公开(公告)日：1995-06-08

申请号：PCT/US1994012824

申请日：1994-12-01

Applicant: HUNTER ENGINEERING COMPANY

Inventor： HUNTER ENGINEERING COMPANY ,  MCCLENAHAN, James, W. ,  BURNS, Leigh, R. ,  STIEF, Michael, T. ,  JANUARY, Daniel, B.

IPC: G01C03/00

CPC classification number: G01B11/2755 ,  G01B2210/16 ,  G01B2210/283

Abstract: An improved vehicle alignment system (1) includes automatic angle and distance range calibration whereby various vehicle distances such as track width and wheelbase may be measured electro-optically during the alignment process. The system also includes an improved process which results in shorter measurement cycles for the sensors by utilizing an electronic shutter control. The sensors (19, 21 and 23) work in pairs, and a novel synchronization scheme is used to ensure that the emitters (25) of one sensor (19) are not radiating at the same time the emitters (25) of the other sensor (21) of that pair are radiating and to determine which emitter (25) of the pair corresponding to a sensor (19) is radiating. Reflections of the emitters (25) from nearby surfaces are discriminated from direct transmissions so that the angle of incidence is accurately determined. Moreover, determination of the angle of incidence is simplified by use of a lens (95) whose image position varies in a specific manner as the imaged object moves radially away from the axis of the lens (95). The present system is particularly suited for measuring difficult alignment measurements such as toe-out on turns electro-optically with a minimal number of sensors (19, 21, 23).

Abstract translation: 改进的车辆对准系统（1）包括自动角度和距离范围校准，由此可以在对准过程期间电光测量诸如轨道宽度和轴距的各种车辆距离。 该系统还包括一种改进的过程，其通过利用电子快门控制使得传感器的测量周期更短。 传感器（19,21和23）成对工作，并且使用新颖的同步方案来确保一个传感器（19）的发射器（25）不同时辐射另一传感器的发射器（25） （21）辐射并确定对应于传感器（19）的那对发射器（25）是辐射的。 来自附近表面的发射器（25）的反射与直接传输区分开，以便准确地确定入射角。 此外，通过使用其成像位置随着成像物体径向远离透镜（95）的轴线以特定方式变化的透镜（95）而简化入射角的确定。 本系统特别适用于测量困难的对准测量，例如用最小数量的传感器（19,21,23）进行电光转换的趾部。

公开(公告)号：WO1991010878A1

公开(公告)日：1991-07-25

申请号：PCT/GB1991000076

申请日：1991-01-18

Applicant: WESTMORELAND, Michael

IPC: G01C03/00

CPC classification number: G01C3/00

Abstract: Distance indicator for motor vehicles. The indicator device comprises a housing (2) or other body which carries a disc (20) arranged to project a pair of lines (24, 25) onto the windscreen of a vehicle at vertically spaced positions to indicate the minimum stopping distances for certain speeds. The lines can be adjusted to horizontal by rotation of the disc (20) about an upright axis, and the vertical positions of the lines are pre-adjustable by sliding the housing (2) back and forth on a fixed base (1). A movable cover (28) is provided to shut off one or other, or both, of the projected lines.