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    • 6. 发明申请
    • SHIFT REGISTER BASED DOWNSAMPLED FLOATING TAP DECISION FEEDBACK EQUALIZATION
    • 基于移位寄存器的浮动平移决策反馈均衡
    • US20130230093A1
    • 2013-09-05
    • US13540923
    • 2012-07-03
    • Pervez M. AzizHiroshi KimuraAmaresh V. MalipatilHairong Gao
    • Pervez M. AzizHiroshi KimuraAmaresh V. MalipatilHairong Gao
    • H04L27/01
    • H04L25/14H04L25/03057H04L25/03885H04L2025/0349H04L2025/03579
    • Described embodiments receive a signal by a set of fixed taps and a set of floating taps of a receiver, each tap corresponding to a detected symbol. Each of the floating taps is stored in a corresponding shift register to account for process, operating voltage and temperature (PVT) variations of the receiver without calibration of delay elements. Multiplexing logic selects (i) corresponding floating taps for equalization by coupling selected floating taps to the outputs of the fixed taps, and (ii) different phases of each possible floating tap position. The multiplexing logic prunes and/or amalgamates the phases of each possible floating tap position and selects floating taps based on a magnitude of each phase. A combiner adjusts each output value of the fixed taps and the selected floating taps by a corresponding tap-weight, combines the adjusted values into an output signal and subtracts the output signal from the input signal.
    • 描述的实施例通过一组固定抽头和接收器的一组浮动抽头接收信号,每个抽头对应于检测到的符号。 每个浮动抽头存储在相应的移位寄存器中,以解决接收器的过程,工作电压和温度(PVT)变化,而不校准延迟元件。 多路复用逻辑通过将选定的浮动抽头耦合到固定抽头的输出端,选择(i)相应的浮动抽头进行均衡,以及(ii)每个可能的浮动抽头位置的不同相位。 多路复用逻辑修剪和/或合并每个可能的浮动抽头位置的相位,并且基于每相的幅度选择浮动抽头。 组合器通过相应的抽头调整固定抽头和所选浮动抽头的每个输出值,将调整后的值组合成输出信号,并从输入信号中减去输出信号。
    • 8. 发明授权
    • Carbon fiber strand and process for producing the same
    • 碳纤维束及其制造方法
    • US08124228B2
    • 2012-02-28
    • US12740011
    • 2008-08-27
    • Hidekazu YoshikawaTaro OyamaHiroshi Kimura
    • Hidekazu YoshikawaTaro OyamaHiroshi Kimura
    • D02G3/00
    • D01F9/225D02J1/08D02J1/222Y10T428/2918
    • A carbon fiber strand which is produced by obtaining a solidified-yarn strand by spinning with a spinneret having 20,000-30,000 spinning holes, passing the strand through an interlacing nozzle having an air blowing pressure of 20-60 kPa to obtain precursor fibers, oxidizing them in heated air having a temperature of 200-280° C. to obtain oxidized fibers, subjecting these oxidized fibers to a first carbonization treatment in an inert-gas atmosphere at a temperature of 300-900° C. in which the fibers are firstly stretched in a stretch ratio of 1.03-1.06 and then secondarily stretched in a stretch ratio of 0.9-1.01, subsequently conducting a second carbonization treatment in an inert-gas atmosphere at 1,360-2,100° C., and then conducting a surface oxidization treatment in an aqueous solution of an inorganic acid salt in a quantity of electricity of 20-100 C per g of the carbon fibers. This carbon fiber strand has a strand tensile strength of 5,650 MPa or higher, strand tensile modulus of 300 GPa or higher, and strand width of 5.5 mm or larger. No strand crack is observed in an examination by a strand crack evaluation method.
    • 一种碳纤维股线,其通过用具有20,000-30,000个纺丝孔的喷丝头纺丝获得固化纱股线,使股线通过空气吹送压力为20-60kPa的交织喷嘴,从而获得前体纤维,氧化它们 在温度为200-280℃的加热空气中,获得氧化纤维,在惰性气体气氛中在300-900℃的温度下对这些氧化纤维进行第一次碳化处理,其中纤维首先被拉伸 在1.03-1.06的拉伸比下,然后以0.9-1.01的拉伸比进行二次拉伸,随后在惰性气体气氛中在1360-2100℃下进行第二次碳化处理,然后进行表面氧化处理 无机酸盐水溶液,每克碳纤维的电量为20-100℃。 该碳纤维股线的线股抗拉强度为5,650MPa以上,线股拉伸弹性模量为300GPa以上,股线宽度为5.5mm以上。 在线裂纹评估方法的检查中未观察到股线裂纹。