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    • 2. 发明授权
    • Leaky wave antenna with radiating structure including fractal loops
    • 具有散射结构的泄漏波天线包括分形回路
    • US07250916B2
    • 2007-07-31
    • US11184676
    • 2005-07-19
    • Waldemar KunyszEarl BadgerDavid Plamondon
    • Waldemar KunyszEarl BadgerDavid Plamondon
    • H01Q13/10H01Q1/38H01Q1/36
    • H01Q1/36H01Q9/27H01Q13/20
    • An antenna is provided for acquiring RF signals from various satellite ranging systems including GPS, GLONASS, GALILEO and OmniSTAR®. The antenna configuration includes a radiating structure of multi-arm spiral slots terminated with fractal loops. A leaky wave microstrip spiral feed network is used to excite the radiating structure of the antenna. The fixed beam phased array of aperture coupled slots is optimized to receive a right hand polarized signal. The proposed antenna is made out of a single PCB board. The antenna has a very uniform phase and amplitude pattern in the azimuth plane from 1.15 to 1.65 GHz, therefore providing consistent performance at GPS, GLONASS, GALILEO and OmniSTAR® frequencies. The antenna also has a common phase center at the various frequencies from 1175 MHz to 1610 MHz and substantially the same radiation pattern and axial ratio characteristics.
    • 提供了用于从包括GPS,GLONASS,GALILEO和OmniSTAR(R)的各种卫星测距系统获取RF信号的天线。 天线配置包括以分形回路端接的多臂螺旋槽的辐射结构。 使用漏波微带螺旋馈电网络来激发天线的辐射结构。 孔径耦合槽的固定光束相控阵列被优化以接收右手偏振信号。 所提出的天线由单个PCB板制成。 天线在1.15到1.65GHz的方位平面上具有非常均匀的相位和幅度图案,因此在GPS,GLONASS,GALILEO和OmniSTAR(R)频率下提供一致的性能。 该天线还具有从1175MHz到1610MHz的各种频率的公共相位中心以及基本相同的辐射方向图和轴向比特性。
    • 4. 发明授权
    • Enhanced ultra wide band signal detection using an ultra wide band kernel
    • 使用超宽带内核的增强超宽带信号检测
    • US08249128B2
    • 2012-08-21
    • US11738175
    • 2007-04-20
    • Waldemar Kunysz
    • Waldemar Kunysz
    • H04B1/69H04B1/00
    • H04B1/7183H04B1/71632
    • A system and method is provided for improving the operating range for UWB communication systems by increasing the margin between true correlation peaks and false correlation peaks in a received UWB signal. A received signal is first correlated with a UWB kernel before being correlated with the PRN code. The UWB kernel is a very short UWB pulse having the same pulse shape as the UWB signal pulses. By pre-correlating the received signal with the UWB kernel at least once prior to correlating with the PRN code, the margin between true correlation peaks and false correlation peaks is substantially improved.
    • 提供了一种系统和方法,用于通过增加接收的UWB信号中的真相关峰值和假相关峰值之间的裕度来改善UWB通信系统的操作范围。 在与PRN码相关之前,接收到的信号首先与UWB内核相关。 UWB内核是与UWB信号脉冲具有相同脉冲形状的非常短的UWB脉冲。 通过在与PRN码相关之前将接收信号与UWB内核预先相关联至少一次,真实相关峰值与假相关峰值之间的裕度得到显着改善。
    • 5. 发明授权
    • Integrated GPS-inertial system
    • 集成GPS惯性系统
    • US06750816B1
    • 2004-06-15
    • US10365281
    • 2003-02-12
    • Waldemar Kunysz
    • Waldemar Kunysz
    • G01S502
    • G01C21/165G01S19/35G01S19/49
    • A GPS-inertial system that is suited to new installations as well as the retrofitting of GPS receivers includes inertial sensors that are incorporated into the housing of the GPS antenna. The outputs of the inertial sensors are modulated onto a radio frequency carrier that has the same frequency as the GPS carrier, using the same data modulation arrangement as that used by the GPS system. The inertial measurements are thus sent to the receiver on the same cable as the RF signals from the antenna, and the receiver recovers the data from the sensor signals with the same arrangement that is used for data recovery from GPS position signals. Consequently, software modifications of existing GPS receivers can provide position and velocity estimates generated from the outputs of the inertial sensors.
    • 适合新设备的GPS惯性系统以及GPS接收机的改装包括合并在GPS天线外壳内的惯性传感器。 使用与GPS系统相同的数据调制方式,将惯性传感器的输出调制到与GPS载波具有相同频率的射频载波上。 惯性测量因此被发送到与来自天线的RF信号相同的电缆上的接收器,并且接收机以与用于从GPS位置信号进行数据恢复的相同布置的传感器信号恢复数据。 因此,现有GPS接收机的软件修改可以提供从惯性传感器的输出产生的位置和速度估计。