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    • 21. 发明授权
    • Robust FFT trigger point tracking for echo channels in OFDM based communication systems
    • 基于OFDM的通信系统中的回波信道的鲁棒FFT触发点跟踪
    • US08073064B2
    • 2011-12-06
    • US12105300
    • 2008-04-18
    • Yongru GuJun Ma
    • Yongru GuJun Ma
    • H04K1/10H04L27/28
    • H04L27/2662H04L27/2676H04L27/2695
    • Identifying a trigger point of at least one OFDM decoder includes correlating a first time-domain sample of the at least one OFDM symbol with a second time-domain sample of the at least one OFDM symbol, processing the first time-domain sample and the second time-domain sample in the first moving average filter to determine a channel impulse response, comparing at least one correlation value of a first biggest path in the channel impulse response and a second biggest path in the channel impulse response, and determining a channel length of the channel impulse response based on a time duration of the channel impulse response. The OFDM decoder includes a first moving average filter and a second moving average filter.
    • 识别至少一个OFDM解码器的触发点包括将至少一个OFDM符号的第一时域样本与至少一个OFDM符号的第二时域样本进行相关,处理第一时域样本和第二时域采样 在第一移动平均滤波器中的时域采样以确定信道脉冲响应,比较信道脉冲响应中的第一最大路径的至少一个相关值和信道脉冲响应中的第二最大路径,并且确定信道脉冲响应的信道长度 基于信道脉冲响应的持续时间的信道脉冲响应。 OFDM解码器包括第一移动平均滤波器和第二移动平均滤波器。
    • 22. 发明授权
    • Packing cushion
    • 包装垫
    • US08047370B2
    • 2011-11-01
    • US12760739
    • 2010-04-15
    • Jun MaQian LiXin-Yue HeWan-Ling Shih
    • Jun MaQian LiXin-Yue HeWan-Ling Shih
    • B65D81/02B65D81/05
    • B65D81/05B65D5/503
    • A packing cushion includes a base and a plurality of sidewalls coupled to the base. The plurality of sidewalls interconnect with each other and cooperate with the base to form an accommodating space. A first and second cushion portions protrude from an inner surface of the base in the accommodating space. The first cushion portion has a first inclined surface, the second cushion portion has a second inclined surface. The second inclined surface is parallel to the first inclined surface. A contour defined by the first inclined surface matches with at least a part of an object packed in the packing cushion. When the object is packed in the accommodating space, the first inclined surface contacts with at least a part of the object to provided a first cushioning, and when the object is subjected to impact forces to deform the first cushion portion, the second inclined contacts with the object to provided a second cushion.
    • 包装衬垫包括底座和连接到底座的多个侧壁。 多个侧壁彼此互连并与基部协作以形成容纳空间。 第一和第二缓冲部分在容纳空间中从基部的内表面突出。 第一缓冲部具有第一倾斜面,第二缓冲部具有第二倾斜面。 第二倾斜面平行于第一倾斜面。 由第一倾斜表面限定的轮廓与填充在包装垫中的物体的至少一部分相匹配。 当物体被包装在容纳空间中时,第一倾斜表面与物体的至少一部分接触以提供第一缓冲,并且当物体受到使第一缓冲部分变形的冲击力时,第二倾斜接触 该物体提供第二个缓冲垫。
    • 25. 发明申请
    • AUTOMATIC SOLDERING MACHINE
    • 自动焊接机
    • US20110127240A1
    • 2011-06-02
    • US12627091
    • 2009-11-30
    • Sung-Lin ChenXiao-Lin WuShaobo ZhangZai-Wei ZouJun Ma
    • Sung-Lin ChenXiao-Lin WuShaobo ZhangZai-Wei ZouJun Ma
    • B23K1/00
    • B23K3/027B23K3/03B23K3/033B23K3/0338B23K3/063B23K3/08Y10S269/903
    • An automatic soldering machine includes a frame assembly, an electric iron and a movable module fixed on the frame assembly. The movable module is used for making the electric iron connected with the movable module randomly move to a specified position at a predetermined area. The movable module includes a first driving unit having a first leading element movable along a first axis, a second driving unit having a second leading element movable along a second axis perpendicular to the first axis, a third driving unit having a third leading element movable along a third axis perpendicular to the first and second axis and a rotating unit capable of rotating around an axis thereof. The third driving unit is connected with the first leading element. The second driving unit is connected with the third leading element. The rotating unit is connected with the second leading element.
    • 自动焊接机包括框架组件,电熨斗和固定在框架组件上的可移动模块。 可移动模块用于使与可移动模块连接的电熨斗随机地移动到预定区域的指定位置。 可移动模块包括具有可沿第一轴线移动的第一引导元件的第一驱动单元,具有可沿垂直于第一轴线的第二轴可移动的第二引导元件的第二驱动单元,具有可沿着第一驱动单元移动的第三引导元件的第三驱动单元 垂直于第一和第二轴线的第三轴线和能够围绕其轴线旋转的旋转单元。 第三驱动单元与第一引导元件连接。 第二驱动单元与第三引导元件连接。 旋转单元与第二引导元件连接。