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    • 1. 发明申请
    • Method for Real-time, Automatic, Wideband, High Accuracy RF Direction Finding
    • 实时,自动,宽带,高精度RF方向寻找方法
    • US20140104110A1
    • 2014-04-17
    • US13653476
    • 2012-10-17
    • Lars Karlsson
    • Lars Karlsson
    • G01S3/02
    • G01S3/74
    • This system and method provides a direction finding system that enables modern RF DF systems to analyze short duration signals in the entire instantaneous bandwidth. By providing a method to process wideband data, the invention drastically improves throughput and probability of intercept (POI). The invention is unique in that it does not require separate narrowband channels for analysis, and can simultaneously calculate azimuth and elevation estimates for every frequency in the bandwidth of an incident signal. It is also well-suited for fixed point, FPGA implementations making it a perfect match for modern state-of-the-art processing systems. The system and method capitalizes on the ability of Fourier Frequency Transform operations to accurately resolve incident wave phase at discrete frequencies. The system then uses the phase information from the individual elements in the array to arrive at an emitter azimuth angle. The azimuth angle is nearly simultaneously used in concert with lookup tables of all possible elevation angles to compare the arrival time delay between the array elements to determine emitter elevation angle.
    • 该系统和方法提供了一种方向发现系统,其使得现代RF DF系统能够在整个瞬时带宽中分析短持续时间信号。 通过提供处理宽带数据的方法,本发明大大提高了吞吐量和拦截概率(POI)。 本发明是独特的,因为它不需要单独的窄带信道用于分析,并且可以同时计算入射信号带宽中每个频率的方位角和高程估计。 它也非常适合固定点,FPGA实现使其成为现代最先进的处理系统的完美匹配。 该系统和方法利用傅里叶频率变换操作精确地解决离散频率入射波相位的能力。 然后,系统使用来自阵列中的各个元件的相位信息来达到发射器方位角。 方位角几乎同时用于所有可能仰角的查找表,以比较阵列元件之间的到达时间延迟,以确定发射器仰角。
    • 2. 发明申请
    • TUBE CUTTING
    • 管切割
    • US20120137843A1
    • 2012-06-07
    • US13145160
    • 2010-02-25
    • Carina PeterssonSandra PhilipssonNiklas SvenssonLars Karlsson
    • Carina PeterssonSandra PhilipssonNiklas SvenssonLars Karlsson
    • B23D21/14B23D21/00
    • B23D21/14B23D21/00B23D35/005B23D35/007Y10T82/16Y10T82/16147
    • A knife holder (402) for a tube cutting unit is adapted to receiving a rotating tube fed out from a tube manufacturing device in a feed direction (316). The feed direction is parallel with the tube's longitudinal direction and the rotation takes place about an axis in the tube's longitudinal direction. The knife holder is adapted to following the rotating tube in the latter's longitudinal direction and to bringing a knife element into contact with the tube in a cutting direction and thereby creating in the rotating tube a cut at right angles to the longitudinal direction of the tube. The knife holder is further provided with at least a first bearing element (414) and a second bearing element (415) configured to engage in respective brackets (416, 417) in the tube cutting unit. The bearing elements are so disposed relative to one another that the perpendicular direction (464) to a plane (462), which plane runs in the cutting direction through the bearing elements, and the longitudinal direction of the tube deviate from being parallel.
    • 用于管切割单元的刀保持器(402)适于接收沿进给方向(316)从管制造装置送出的旋转管。 进给方向与管的纵向平行,并且围绕管的纵向方向的轴线进行旋转。 刀架适于在后者的纵向方向上跟随旋转管,并使刀元件沿切割方向与管接触,从而在旋转管中产生与管的纵向方向成直角的切口。 刀架还设置有至少第一轴承元件(414)和第二轴承元件(415),该第二轴承元件构造成与管切割单元中的相应托架(416,417)啮合。 轴承元件相对于彼此设置成使得垂直方向(464)到平面(462),该平面(462),该平面在切割方向上通过轴承元件延伸,并且管的纵向方向偏离平行。
    • 5. 发明授权
    • Selective anti-lock braking system
    • 选择性防抱死制动系统
    • US08126614B2
    • 2012-02-28
    • US12066272
    • 2006-09-08
    • Svante KarlssonLars KarlssonSixten Berglund
    • Svante KarlssonLars KarlssonSixten Berglund
    • G05D1/00
    • B60T8/17616B60T2201/04B60T2260/04B60W10/11B60W10/184B60W30/18118B60W2520/26B60W2530/10B60W2550/142B60Y2200/14
    • Automatic mechanical transmission system for a vehicle with antilock braking which is configured to selectively decouple the drive train of the vehicle from the wheels of the vehicle. The system includes a first sensor for sensing at least one operational state of the vehicle, a second sensor for sensing a wheel-lock up condition of the vehicle, and a logic control unit. The logic control unit is configured to receive signals from the first and second sensors. When the first sensor communicates a first predetermined operational state of the vehicle and the second sensor communicates a wheel-lockup condition, the logic unit directs disengagement of the drive train from the wheels. Alternatively, when a second predetermined operational state of the vehicle and wheel lock-up condition is communicated, the logic control unit directs engagement of the drive train and the wheels.
    • 用于具有防抱死制动的车辆的自动机械传动系统,其被配置为选择性地将车辆的传动系与车辆的车轮分离。 该系统包括用于感测车辆的至少一个操作状态的第一传感器,用于感测车辆的车轮锁定状态的第二传感器和逻辑控制单元。 逻辑控制单元被配置为从第一和第二传感器接收信号。 当第一传感器通信车辆的第一预定操作状态并且第二传感器传达车轮锁定状态时,逻辑单元引导传动系与轮的分离。 或者,当通信车辆和车轮锁定状态的第二预定操作状态时,逻辑控制单元引导传动系和车轮的接合。
    • 7. 发明授权
    • Method, system and apparatus for maximizing a jammer's time-on-target and power-on-target
    • 用于最大化干扰器的目标时间和上电目标的方法,系统和装置
    • US07609748B2
    • 2009-10-27
    • US11377979
    • 2006-03-17
    • Lars Karlsson
    • Lars Karlsson
    • H04B1/707G04K3/00
    • H04K3/42H04K3/45H04K2203/34
    • A system and method of electronic signal jamming employ a jamming signal transmitter, an electronic signal tuner and a controller. During a first time period, the transmitter transmits a jamming signal in a first frequency segment comprising first frequencies. In a subsequent second time period, the transmitter stops transmitting, while the tuner collects signals in a second frequency segment comprising second frequencies. In a subsequent third time period, the transmitter resumes transmitting the jamming signal in the first frequency segment, while at a same time the controller processes the signals collected by the tuner in the second frequency segment and the tuner tunes to a third frequency segment comprising third frequencies. Then, before any further signals are collected by the tuner, the transmitter transmits the jamming signal in the second frequency segment responsive to the signals collected in the second frequency segment and processed by the controller.
    • 电子信号干扰的系统和方法采用干扰信号发射机,电子信号调谐器和控制器。 在第一时间段期间,发射机在包括第一频率的第一频段中发送干扰信号。 在随后的第二时间段中,发射机停止发射,同时调谐器收集包括第二频率的第二频段中的信号。 在随后的第三时间段中,发射机恢复在第一频段中发送干扰信号,同时控制器处理由第二频段中的调谐器收集的信号,并且调谐器调谐到包括第三频段的第三频段 频率 然后,在调谐器收集任何进一步的信号之前,发射机响应于在第二频段中收集的信号并且由控制器进行处理,发送第二频段中的干扰信号。
    • 9. 发明申请
    • METHOD FOR DETECTING CLUTCH CYLINDER LEAKAGE
    • 检测离合器缸体泄漏的方法
    • US20090205408A1
    • 2009-08-20
    • US12097547
    • 2005-12-15
    • Svante KarlssonLars KarlssonErik Lauri
    • Svante KarlssonLars KarlssonErik Lauri
    • G01M3/00
    • F16D25/088F16D25/12F16D48/02F16D2500/1028F16D2500/3026F16D2500/5108F16D2500/511
    • A method is provided for sensing leakage in a clutch cylinder system in a vehicle including an automated manual transmission, wherein the clutch cylinder system includes a clutch cylinder provided with a reciprocable piston, whose position is sensed by a position sensor and affected by pressurization of the cylinder by opening or closing at least one air inlet valve and by opening or closing at least one air outlet valve and wherein the clutch is in an engaged position when there is no air pressure in the cylinder. The method includes the steps of: a. closing the at least one inlet valve and at least one outlet valve for compressed air; b. sensing a position of the piston during a predetermined time span, and, c. if the position has changed more than a predetermined allowable position change, sending an error signal to an onboard diagnostics system or a signal light in the vehicle.
    • 提供了一种用于检测包括自动手动变速器的车辆中的离合器缸系统中的泄漏的方法,其中所述离合器缸系统包括设置有往复活塞的离合器缸,其位置由位置传感器感测并受到 通过打开或关闭至少一个空气入口阀并且通过打开或关闭至少一个空气出口阀,并且其中当气缸中没有空气压力时,离合器处于接合位置。 该方法包括以下步骤:a。 关闭所述至少一个入口阀和用于压缩空气的至少一个出口阀; b。 在预定时间范围内感测活塞的位置,以及c。 如果位置已经改变超过预定的可允许位置变化,则向车载诊断系统或车辆中的信号灯发送错误信号。
    • 10. 发明申请
    • Method and Apparatus for Enhancing the Detection of Weak Emitters
    • 用于增强弱发射体检测的方法和装置
    • US20090102718A1
    • 2009-04-23
    • US12023146
    • 2008-01-31
    • Lars Karlsson
    • Lars Karlsson
    • G01S5/02
    • G01S11/10F42D5/02
    • A Method and Apparatus for Enhancing the Detection of Weak Emitters provide an enhanced method to eliminate the fake hits of a moving weak signal detection system. The method and apparatus have the abilities stated in the previous U.S. patent application Ser. No. 11/332,801 filed by this author, to do moving detection of weak signals, even in dense urban environments. Secondly, the method and apparatus includes additional antennas and hardware boards, in order to verify authenticity of detected targets. Thirdly, the method and apparatus include appropriate DSP algorithms loaded to program the mission. Fourthly, the method and apparatus are enabled to accurately determine the tangential distance of the target from me vehicles centerline. Finally, the method and apparatus provide the ability to continually discard false targets based upon the information provided by these approaches.
    • 用于增强弱发射体检测的方法和装置提供了一种增强的方法来消除移动的弱信号检测系统的假命中。 该方法和装置具有先前美国专利申请序列号 本作者提交的第11 / 332,801号,即使在密集的城市环境中也能进行弱信号的移动检测。 其次,该方法和装置包括额外的天线和硬件板,以便验证检测到的目标的真实性。 第三,该方法和装置包括加载以编程任务的适当的DSP算法。 第四,该方法和装置能够准确地确定目标与车辆中心线的切向距离。 最后,该方法和装置提供了基于这些方法提供的信息来连续丢弃假目标的能力。