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    • 1. 发明授权
    • Loop heat pipe
    • 回路热管
    • US08622118B2
    • 2014-01-07
    • US12916606
    • 2010-10-31
    • De-Yu WangChao XuJiang-Jun Hu
    • De-Yu WangChao XuJiang-Jun Hu
    • F28D15/00H05K7/20
    • H01L23/427F28D15/0266F28D15/043H01L2924/0002H01L2924/00
    • An exemplary loop heat pipe includes an evaporator, a condenser, a vapor line and a liquid line each connecting the evaporator with the condenser to form a closed loop. A working medium is contained in the closed loop. A wick structure is received in the evaporator, and includes a bottom wall contacting the bottom plate, a support wall extending up from the bottom wall and contacting the cover plate, and guide walls extending out laterally from the support wall. The support wall separates an interior of the evaporator into a liquid chamber adjacent to the liquid line and a vapor chamber adjacent to the vapor line. The guide walls are located in the vapor chamber. Guide channels are defined between the guide walls for guiding the working medium in a vapor state to flow from the vapor chamber through the vapor line to the condenser.
    • 示例性的回路热管包括蒸发器,冷凝器,蒸气管线和液体管线,每个连接蒸发器与冷凝器以形成闭合回路。 工作介质包含在闭环中。 芯结构容纳在蒸发器中,并且包括接触底板的底壁,从底壁向上延伸并接触盖板的支撑壁以及从支撑壁横向延伸的导向壁。 支撑壁将蒸发器的内部分隔成与液体管线相邻的液体室和与蒸汽管线相邻的蒸气室。 引导壁位于蒸气室中。 引导通道限定在引导壁之间,用于引导处于蒸汽状态的工作介质从蒸气室通过蒸汽管线流向冷凝器。
    • 3. 发明授权
    • Method of amplitude coding for low bit rate sinusoidal transform vocoder
    • 低比特率正弦变换声码器的幅度编码方法
    • US6052658A
    • 2000-04-18
    • US94448
    • 1998-06-10
    • De-Yu WangWen-Whei ChangHwai-Tsu ChangHuang-Lin Yang
    • De-Yu WangWen-Whei ChangHwai-Tsu ChangHuang-Lin Yang
    • G10L19/02
    • G10L19/02
    • The present invention provides a sinusoidal transform vocoder based on the Bark spectrum, which has high quality and low bit rate for coding. The present invention includes the steps of transforming a harmonic sine wave from a frequency spectrum to a perception-based Bark spectrum. An equal-loudness pre-emphasis and the loudness to a subjective loudness transformation are also involved in the method. Last, a pulse code modulation (PCM) is used to quantize the subjective loudness to obtain quantized subjective loudness. In synthesis, the Bark spectrum is inversely processed to obtain the excitation pattern following the sone-to-phone conversion and equal-loudness deemphasis. Then, the sine wave amplitudes can be estimated from the excitation pattern by assuming that the amplitudes belonging to the same critical band are equal.
    • 本发明提供一种基于Bark频谱的正弦变换声码器,其具有高质量和低码率的编码。 本发明包括将谐波正弦波从频谱变换为基于感知的树皮光谱的步骤。 该方法中也涉及到等响度预加重和主观响度变换的响度。 最后,使用脉冲编码调制(PCM)来量化主观响度以获得量化的主观响度。 在合成中,Bark频谱被反向处理,以获得在单声道到电话转换和等响度去加重之后的激励模式。 然后,可以通过假设属于相同临界频带的振幅相等,从激励模式估计正弦波幅度。