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    • 7. 发明授权
    • Method for transmitting pilot signal in multi-carrier wireless transmission system
    • 在多载波无线传输系统中发送导频信号的方法
    • US08718161B2
    • 2014-05-06
    • US13497786
    • 2010-09-16
    • Hai WangKaushik JosiamQi WuZhouyue Pi
    • Hai WangKaushik JosiamQi WuZhouyue Pi
    • H04K1/10
    • H04L5/0048H04L5/0023
    • The present invention provides a method for transmitting pilots in a multi-carrier wireless transmission system. A wireless time-frequency transmission block is composed of N consecutive OFDM symbols in time domain and M consecutive physical sub-carriers in frequency domain, N and M are integers those are greater than or equal to 1. The method includes: partitioning the wireless time-frequency transmission block into several areas, and determining the position of pilots, of which the total number is a preset number, according to the time-frequency domain balancing principle of pilots of various antennas in various areas; inserting pilots at the pilot positions of each antenna corresponding to the antenna for transmission. In accordance with the present invention, the simultaneous transmission of multiple antennas is supported in a wireless time-frequency transmission block of a multi-carrier wireless transmission system.
    • 本发明提供一种在多载波无线传输系统中发送导频的方法。 无线时频传输块由时域中的N个连续OFDM符号和频域中的M个连续物理子载波组成,N和M是大于或等于1的整数。该方法包括:将无线时间 根据各个领域的各种天线的导频的时频平衡原理,确定导频的位置,其总数为预设编号; 在与天线相对应的每个天线的导频位置处插入导频以进行传输。 根据本发明,在多载波无线传输系统的无线时频传输块中支持多个天线的同时传输。
    • 8. 发明授权
    • Clear path detection using patch approach
    • 使用补丁方法清除路径检测
    • US08611585B2
    • 2013-12-17
    • US12581766
    • 2009-10-19
    • Wende ZhangQi WuTsuhan Chen
    • Wende ZhangQi WuTsuhan Chen
    • G06K9/00G01C21/00
    • G06K9/4609B60W2420/42G06K9/00798G06K9/00805
    • A method for detecting a clear path of travel for a vehicle utilizing an image generated by a camera device located upon the vehicle includes monitoring the image, and generating a plurality of patches onto the image, wherein the patches are collectively arranged to substantially include the clear path of travel. Feature extraction is utilized to analyze the patches and includes convolving each of the patches with a feature detection filter generating a feature-based filter response, extracting features based upon the feature-based filter response, and determining each of the patches to represent the clear path of travel or to not represent the clear path of travel based upon the extracted features. The clear path of travel is determined based upon the plurality of patches, and is utilized to navigate the vehicle.
    • 用于利用位于车辆上的照相机装置生成的图像来检测车辆的清晰行驶路径的方法包括监视图像,并在图像上生成多个贴片,其中所述贴片被集体布置成基本上包括清晰的 旅行路线 使用特征提取来分析补丁,并且包括使用生成基于特征的过滤器响应的特征检测过滤器对每个补丁进行卷积,基于基于特征的过滤器响应来提取特征,以及确定每个补丁以表示清除路径 的旅行或不代表基于提取的特征的明确的旅行路径。 基于多个补片确定行驶的清晰路径,并且用于导航车辆。
    • 10. 发明授权
    • High resolution label free imaging
    • 高分辨率无标签成像
    • US08400551B2
    • 2013-03-19
    • US13021945
    • 2011-02-07
    • Qi Wu
    • Qi Wu
    • G02B13/16H04N5/225
    • G01N21/7743G01N21/553
    • An apparatus having an optical reader system and method for label-independent detection having improved spatial resolution of the reader, as defined herein. The system includes an optical configuration for interrogating a sensor on a microplate at an incident angle (θ1) of greater than 45°, and recording the image received from the contacted sensor with the image recorder, the image recorder being oriented with respect to the reflected beam at a reflected angle (θ2) of greater than about 5°, as further defined herein.
    • 具有如本文所定义的具有改进的读取器的空间分辨率的用于标签独立检测的光学读取器系统和方法的装置。 该系统包括用于以大于45°的入射角度(& 1)在微孔板上询问传感器的光学配置,并且将从接触传感器接收的图像记录到图像记录器,图像记录器相对于 反射光束的反射角(θ)大于约5°,如本文进一步定义。