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    • 5. 发明申请
    • Laser perimeter awareness system
    • 激光周界意识系统
    • US20060017939A1
    • 2006-01-26
    • US10958154
    • 2004-10-04
    • James JamiesonMark Ray
    • James JamiesonMark Ray
    • G01C3/08G01B11/26G01B11/14
    • G01S17/89G01S7/4802G01S7/4811G01S7/4818G01S13/78G01S13/86G01S17/023G01S17/42G01S17/58G01S17/66G01S17/74
    • A method of laser scanning a perimeter zone of a target site for the detection of potential threats comprises: scanning a pulsed laser beam across the perimeter zone; receiving echoes from the pulsed laser beam during the perimeter zone scan; deriving range data corresponding to the received echoes; determining position data of the received echoes in the perimeter zone; forming a scene image of a scan of the perimeter zone based on the range and position data of the received echoes thereof; repeating the steps of scanning, receiving, deriving, determining and forming for a plurality of perimeter zone scans to form scene images of each scan of the plurality; and comparing scene images of the plurality to detect a potential threat in the perimeter zone. In addition, a method of authenticating a potential threat detected in a perimeter zone of a target site comprises: detecting the potential threat and upon detection, interrogating the potential threat for a response by a wireless transmission; declaring the potential threat unauthorized if no response is transmitted wirelessly within a predetermined time interval from the interrogation; receiving the response, if transmitted, and determining if the response comprises a proper access code; and declaring the potential threat unauthorized if the received response is determined not to comprise the proper access code.
    • 用于检测潜在威胁的激光扫描目标部位的周边区域的方法包括:扫描穿过周边区域的脉冲激光束; 在周边区域扫描期间从脉冲激光束接收回波; 导出与所接收的回波相对应的范围数据; 确定所述周边区域中所接收的回波的位置数据; 基于所接收的回波的范围和位置数据,形成周边区域的扫描的场景图像; 重复扫描,接收,导出,确定和形成多个周边区域扫描以形成多个扫描中的每个扫描的场景图像的步骤; 并且比较多个的场景图像以检测周边区域中的潜在威胁。 另外,对在目标地点的周边区域中检测到的潜在威胁进行认证的方法包括:检测潜在威胁并在检测到时询问通过无线传输的响应的潜在威胁; 如果在从询问起的预定时间间隔内无响应地发送响应,则声明潜在的威胁是未授权的; 接收响应,如果发送,并确定响应是否包括正确的访问代码; 并且如果确定接收到的响应不包括适当的访问代码,则声明潜在的威胁是未授权的。
    • 7. 发明申请
    • Pulsed dielectric barrier discharge
    • 脉冲电介质阻挡放电
    • US20080106206A1
    • 2008-05-08
    • US11980034
    • 2007-10-30
    • William HookeAllen MartinMark Ray
    • William HookeAllen MartinMark Ray
    • H05H1/00H01J7/24
    • H01J37/32348A61L2/0011A61L2/14A61L9/22H01J37/32009H05H1/46H05H2001/4682
    • A method of generating a fast-rise time voltage step to produce an overvoltage condition for a dielectric barrier plasma discharge involves providing a pair of electrodes spaced apart by an electrode gap and at least one dielectric disposed in the gap; generating fast-rise time voltage step such that the rise time to achieve said overvoltage condition is equal to or less than the time required to generate the plasma thereby establishing the overvoltage condition prior to current flow across said electrode gap. Power from storage capacitor banks discharge into the electrode gap through a switch. The switch is capable of standing-off voltage sufficient to create the overvoltage condition when the switch is open. The discharge current pulse across the said electrode gap is terminated by charging properties of the said dielectric(s) in the said electrode gap. This abstract is not to be considered limiting, since other embodiments may deviate from the features described in this abstract.
    • 产生快速上升时间电压阶跃以产生电介质阻挡等离子体放电的过电压条件的方法包括提供由电极间隙隔开的一对电极和设置在间隙中的至少一个电介质; 产生快速上升时间电压阶跃,使得实现所述过电压状态的上升时间等于或小于产生等离子体所需的时间,从而在电流流过电极间隙之前建立过电压状态。 存储电容器组的功率通过开关放电到电极间隙。 该开关能够在开关断开时足以产生过电压状态的隔离电压。 通过在所述电极间隙中的所述电介质的充电特性来终止跨所述电极间隙的放电电流脉冲。 该摘要不被认为是限制性的,因为其他实施例可能偏离本摘要中描述的特征。
    • 8. 发明申请
    • System and method of identifying an object in a laser beam illuminated scene based on material types
    • 基于材料类型识别激光束照明场景中物体的系统和方法
    • US20050189503A1
    • 2005-09-01
    • US10789114
    • 2004-02-26
    • James JamiesonMark RayClinton Meneely
    • James JamiesonMark RayClinton Meneely
    • G01N21/25G01N21/35G01S7/48G01S7/484G01S17/87G01S17/89G06K9/46G01J5/02
    • G06K9/4652G01N21/251G01N21/359G01S7/4802G01S7/484G01S17/87G01S17/89
    • A method of identifying an object in a laser beam illuminated scene based on material types comprises the steps of: emitting a pulsed beam of laser energy, each beam pulse comprising a plurality of different discrete wavelength emission components; illuminating a predetermined scene with the pulsed beam; receiving return laser pulses from objects within the illuminated scene, each return laser pulse comprising return components corresponding to the plurality of different discrete wavelength emission components; determining spectral reflectance values for the plurality of return components of each return laser pulse; determining a material type for each return laser pulse of the illuminated scene based on the plurality of reflectance values of the corresponding return pulse; indexing each determined material type to a position in the illuminated scene; and identifying an object in the illuminated scene based on material types and indexed positions thereof in the scene. A counterpart system for carrying out the method is also disclosed.
    • 基于材料类型识别激光束照明场景中的物体的方法包括以下步骤:发射激光能量的脉冲束,每个束脉冲包括多个不同的离散波长发射分量; 用脉冲光照射预定场景; 从所述照明场景内的物体接收返回激光脉冲,每个返回激光脉冲包括对应于所述多个不同离散波长发射部件的返回分量; 确定每个返回激光脉冲的多个返回分量的光谱反射率值; 基于对应的返回脉冲的多个反射率值确定照明场景的每个返回激光脉冲的材料类型; 将每个确定的材料类型索引到照明场景中的位置; 并且基于场景中的材料类型和索引位置来识别照明场景中的对象。 还公开了用于执行该方法的对应系统。