System, apparatus, and method for multi-band OFDM systems with receiver antenna selection per sub-band
    81.
    发明授权
    System, apparatus, and method for multi-band OFDM systems with receiver antenna selection per sub-band 有权
    具有每子带接收机天线选择的多频带OFDM系统的系统,装置和方法

    公开(公告)号:US08126096B2

    公开(公告)日:2012-02-28

    申请号:US12096982

    申请日:2006-12-08

    IPC分类号: H04B7/10 H04K3/00

    摘要: The present invention provides a system (300-400), apparatus (300-400), and method for an energy-based antenna selection technique in which the antenna that observes the largest SNR averaged over all carriers per sub-band (405) is selected for space-time coded MB-OFDM systems. Due to the frequency-selective nature of the system, different sub-band may have different channel gaining effect from the multi-path channels. We can perform energy-based antenna selection per sub-band, and the simulation results show that the proposed technique works not only for MB-OFDM UWB channels with shadowing, but also for the same channel without shadowing.

    摘要翻译: 本发明提供一种用于基于能量的天线选择技术的系统(300-400),装置(300-400)及其方法,其中观察每个子带(405)在所有载波上平均的最大SNR的天线是 选择用于空时编码的MB-OFDM系统。 由于系统的频率选择性,不同的子带可能具有来自多路径信道的不同信道增益效应。 我们可以对每个子带进行基于能量的天线选择,仿真结果表明,该技术不仅可以用于具有阴影的MB-OFDM UWB信道,而且对于没有阴影的相同信道也是有效的。

    METHOD AND DEVICE FOR BIOGENIC WASTE TREATMENT
    83.
    发明申请
    METHOD AND DEVICE FOR BIOGENIC WASTE TREATMENT 有权
    生物废物处理方法和装置

    公开(公告)号:US20110192791A1

    公开(公告)日:2011-08-11

    申请号:US12532145

    申请日:2007-03-20

    申请人: Joji Takase Jun Yang

    发明人: Joji Takase Jun Yang

    IPC分类号: C02F3/00

    摘要: The present discloses a method and a device for biogenic waste, or bio-waste treatment, and said method is as follows: Firstly, the biogenic waste is evenly mixed with water vapor, or steam, heating and pressurizing so that the temperature reaches 130-190° C. and the pressure reaches 1.5-1.9 MPa after mixture, and this state is maintained for 1-25 minutes; Then, the pressure of the mixture of said biogenic waste and water vapor is reduced to normal pressure, such as atmospheric pressure so as to conduct low-molecularization, such as decreasing or reduction of molecular weight of the biogenic waste to obtain a low-molecularized mixture, such as a low molecular weight mixture; finally, the low-molecularized mixture, such as low-molecular weight mixture is separated so as to obtain the final products. Said device includes reaction vessel, stirring device, vapor input device, pressure-reducing regulator and separation device.

    摘要翻译: 本发明公开了一种生物废物或生物废物处理方法和装置,所述方法如下:首先将生物废物与水蒸气或蒸汽均匀混合,加热加压使温度达到130〜 190℃,混合后压力达到1.5-1.9MPa,保持1-25分钟; 然后,将生物源废水和水蒸气的混合物的压力降低至常压,如大气压,以进行低分子化,例如降低或降低生物源废物的分子量,得到低分子化 混合物,如低分子量混合物; 最后,分离低分子量混合物如低分子量混合物,得到最终产物。 所述装置包括反应容器,搅拌装置,蒸汽输入装置,减压调节器和分离装置。

    Hydrogen Storage Materials
    87.
    发明申请
    Hydrogen Storage Materials 审中-公开
    储氢材料

    公开(公告)号:US20100233076A1

    公开(公告)日:2010-09-16

    申请号:US12561336

    申请日:2009-09-17

    IPC分类号: C01B3/04 C09K3/00

    摘要: According to at least one aspect of the present invention, a hydrogen storage material is provided. In at least one embodiment, the material comprises a borohydride compound of the formula M(BH4)n, wherein M includes Ca and n is an integer of 2 to 6; and a destabilizing agent selected from the group consisting of Cr, ScH2, and combinations thereof. In at least another embodiment, the material comprises a metal borohydride M(BH4)n, wherein M includes Li and n is an integer of 1 to 5, and a destabilizing agent of Cr.

    摘要翻译: 根据本发明的至少一个方面,提供一种储氢材料。 在至少一个实施方案中,该材料包括式M(BH4)n的硼氢化合物,其中M包括Ca,n是2至6的整数; 和选自Cr,ScH 2及其组合的去稳定剂。 在至少另一个实施方案中,材料包括金属硼氢化物M(BH4)n,其中M包括Li,n是1至5的整数,以及Cr的去稳定剂。

    Method and system for nonlinear echo suppression
    89.
    发明授权
    Method and system for nonlinear echo suppression 有权
    非线性回波抑制方法与系统

    公开(公告)号:US07672445B1

    公开(公告)日:2010-03-02

    申请号:US10371991

    申请日:2003-02-21

    申请人: Ming Zhang Jun Yang

    发明人: Ming Zhang Jun Yang

    IPC分类号: H04M9/08

    CPC分类号: H04M9/082

    摘要: Techniques for suppressing large echo due to nonlinearity, instable adaptive filter, and so on. An echo cancellation system includes an echo canceller unit, a nonlinear echo detection unit, and a nonlinear echo suppression unit. The echo canceller unit (e.g., an adaptive filter) receives a reference signal and a near-end signal, derives an echo estimate signal based on the reference and near-end signals, cancels a portion of echo in the near-end signal based on the echo estimate signal, and provides an intermediate signal having residual echo. The nonlinear echo detection unit detects for large nonlinear echo in the echo estimate signal. The nonlinear echo suppression unit suppresses large nonlinear echo in the first intermediate signal based on a variable gain, which may be adjusted lower if large nonlinear echo is detected and higher otherwise.

    摘要翻译: 用于抑制由于非线性引起的大回波的技术,不稳定的自适应滤波器等。 回波消除系统包括回波消除单元,非线性回波检测单元和非线性回波抑制单元。 回波消除器单元(例如,自适应滤波器)接收参考信号和近端信号,基于参考和近端信号导出回波估计信号,基于近端信号抵消近端信号中的一部分回波 回波估计信号,并提供具有残余回波的中间信号。 非线性回波检测单元检测回波估计信号中的大非线性回波。 非线性回波抑制单元基于可变增益来抑制第一中间信号中的大的非线性回波,如果检测到大的非线性回波,则其可以被调低,否则更高。