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    • 82. 发明申请
    • NOISE SUPPRESSION TECHNIQUES IN HIGH PRECISION LONG-TERM FREQUENCY/TIMING MEASUREMENTS
    • 噪声抑制技术在高精度长期频率/时序测量
    • US20100245100A1
    • 2010-09-30
    • US12710334
    • 2010-02-22
    • Hua WangSeyed Ali HajimiriShouhei Kousai
    • Hua WangSeyed Ali HajimiriShouhei Kousai
    • G08B21/00G01R13/34
    • G01R29/26G01R31/31709
    • A frequency/timing measurement apparatus includes a reference source having a reference source output terminal. At least one target source has a target source output terminal. The at least one target source is communicatively coupled to the reference source. A frequency timing measurement block has a first input terminal electrically coupled to the reference source output terminal. A second input terminal is electrically coupled to the target source output terminal and at least one output terminal. The frequency timing measurement block is configured to perform a noise shaping technique to reduce measurement error attributable to a phase noise that is correlated between the reference source and the target source, and to provide a reduced correlated noise measurement at the at least one output terminal. A method to reduce correlated noise is also described.
    • 频率/定时测量装置包括具有参考源输出端的参考源。 至少一个目标源具有目标源输出端。 至少一个目标源通信地耦合到参考源。 频率定时测量块具有电耦合到参考源输出端的第一输入端。 第二输入端子电耦合到目标源输出端子和至少一个输出端子。 频率定时测量块被配置为执行噪声整形技术以减少归因于在参考源和目标源之间相关的相位噪声的测量误差,并且在至少一个输出端子处提供减小的相关噪声测量。 还描述了一种降低相关噪声的方法。
    • 87. 发明授权
    • Process for the recovery of alkoxysilanes obtained from the direct reaction of silicon with alkanols
    • 由硅与烷醇的直接反应获得的烷氧基硅烷的回收方法
    • US07365220B2
    • 2008-04-29
    • US11238199
    • 2005-09-29
    • Kenrick Martin LewisHua Wang
    • Kenrick Martin LewisHua Wang
    • C07F7/04
    • C07F7/025
    • A process is provided for separating a mixture of alkoxysilanes and alkanol, e.g., the crude product effluent of the Direct Reaction of silicon metal with alkanol, which comprises: a) introducing a mixture of alkoxysilane(s) and alkanol to a separation unit possessing a separation membrane having a first surface and an opposing second surface; b) contacting the mixture of alkoxysilane(s) and alkanol with the first surface of the separation membrane whereby one or more components of the mixture selectively absorb into the first surface and permeate therethrough to the second surface under the influence of a concentration gradient across the membrane thereby separating the mixture into an alkanol-enriched permeate fraction and an alkanol-deficient retentate fraction or an alkoxysilane-enriched permeate fraction and an alkoxysilane-deficient retentate fraction; and, c) recovering the permeate fraction.
    • 提供了一种用于分离烷氧基硅烷和链烷醇的混合物的方法,例如硅金属与烷醇的直接反应的粗产物流出物,其包括:a)将烷氧基硅烷和烷醇的混合物引入到具有 分离膜具有第一表面和相对的第二表面; b)使烷氧基硅烷和链烷醇的混合物与分离膜的第一表面接触,由此混合物中的一种或多种组分选择性地吸收到第一表面中并在跨越第一表面的浓度梯度的影响下渗透到第二表面 从而将混合物分离成富含链烷醇的渗透物馏分和链烷醇缺乏的滞留物部分或富含烷氧基硅烷的渗透物部分和烷氧基硅烷缺乏的滞留物部分; 和c)回收渗透部分。
    • 89. 发明申请
    • Multi-standard transmitter
    • 多标准变送器
    • US20070024320A1
    • 2007-02-01
    • US11481560
    • 2006-07-05
    • Pierpaolo De LaurentiisHua Wang
    • Pierpaolo De LaurentiisHua Wang
    • H03K19/0175
    • H04L27/0008H03F3/45094H03F3/45179H03F2203/45008H04B1/005H04B1/0067H04B1/406
    • A multi-standard transmitter includes a differential stage that includes a current generator transistor; first and second transistors connected between a first node and the generator transistor and having respective control terminals connected to a first input terminal, the first and second transistors being interconnected at a first output terminal; third and fourth transistors connected between the first node and the generator transistor and having respective control terminals connected to a second input terminal, the third and fourth transistors being interconnected at a second output terminal; and first and second resistances connected between the first and second output terminals and interconnected at a second node. The transmitter includes a selective enabling circuit connected to the first and second nodes, and to a third node corresponding to a control terminal of the generator transistor. The selective enabling circuit supplies the nodes with regulation signals that modify an operating mode of the transmitter.
    • 多标准发射机包括包括电流发生器晶体管的差分级; 第一和第二晶体管连接在第一节点和发生器晶体管之间,并且具有连接到第一输入端的相应控制端,第一和第二晶体管在第一输出端互连; 第三和第四晶体管连接在第一节点和发生器晶体管之间,并且具有连接到第二输入端子的相应控制端子,第三和第四晶体管在第二输出端互连; 第一和第二电阻连接在第一和第二输出端之间,并在第二节点互连。 发射机包括连接到第一和第二节点的选择性启用电路,以及对应于发生器晶体管的控制端的第三节点。 选择性使能电路为节点提供修改发射机工作模式的调节信号。