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    • 95. 发明申请
    • Direct conversion receiver
    • 直接转换接收机
    • US20070190960A1
    • 2007-08-16
    • US11725475
    • 2007-03-20
    • Yukinori AkamineSatoshi TanakaAkio YamamotoKazuaki Hori
    • Yukinori AkamineSatoshi TanakaAkio YamamotoKazuaki Hori
    • H04B1/26
    • H04B1/30H03G3/3052
    • In a direct conversion receiver, to cancel a DC offset generated in the baseband processing block, negative feedback arrangements comprising a gain control amplifier and a low-pass filter are respectively attached to the I and Q signal branches of the baseband block following mixer outputs. The gain control amplifier in each negative feedback circuit is gain adjusted so that the product G·B of the gain G of a primary gain control amplifier and its own gain B will be constant and thereby the DC offset is cancelled. This DC offset cancellation can be applied in a continuous receiving system with no intermittent time during a receiving operation. Capacitance elements located off-chip can be reduced to those to be used only in the low-pass filters in the negative feedback circuits, whereas many off-chip capacitance elements have been required to be inserted between each stage of gain control amplifiers in conventional baseband chains.
    • 在直接转换接收机中,为了消除在基带处理块中产生的DC偏移,包括增益控制放大器和低通滤波器的负反馈装置分别附加到混频器输出之后的基带块的I和Q信号分支。 每个负反馈电路中的增益控制放大器被增益调整,使得主增益控制放大器的增益G的乘积G.B和其自身的增益B将恒定,从而DC偏移被消除。 该DC偏移消除可以应用于在接收操作期间没有间歇时间的连续接收系统中。 位于片外的电容元件可以减少到仅在负反馈电路中的低通滤波器中使用的电容元件,而许多芯片外电容元件需要插入到常规基带中的增益控制放大器的每个级之间 链条
    • 97. 发明申请
    • Method for judging feature of malignant tumor
    • 判断恶性肿瘤特征的方法
    • US20070141651A1
    • 2007-06-21
    • US11496397
    • 2006-08-01
    • Satoshi TanakaHideki Ishihara
    • Satoshi TanakaHideki Ishihara
    • G01N33/574G06F19/00
    • C12Q1/485G01N33/574G01N2333/912
    • A method for judging feature of malignant tumor is described herein. The method comprises obtaining step, first comparing step, second comparing step, and judging step. The obtaining step comprises obtaining a first parameter based on activity and expression level of a first CDK contained in a tumor cell of the malignant tumor, a second parameter based on activity and expression level of a second CDK contained in the tumor cell, a third parameter based on the first parameter and the second parameter, and a fourth parameter based on expression level of a growth factor receptor in the tumor cell. The first comparing step comprises comparing a first threshold value with the third parameter. The second comparing step comprises comparing a second threshold value with the fourth parameter. The judging step comprises judging the feature based on the comparison results of the first comparing step and the second comparing step. Also described is a computer program or program product executing the steps of the method.
    • 本文描述了用于判断恶性肿瘤特征的方法。 该方法包括获得步骤,第一比较步骤,第二比较步骤和判断步骤。 所述获取步骤包括基于包含在恶性肿瘤的肿瘤细胞中的第一CDK的活性和表达水平获得第一参数,基于肿瘤细胞中包含的第二CDK的活性和表达水平的第二参数,第三参数 基于第一参数和第二参数,以及基于肿瘤细胞中生长因子受体的表达水平的第四参数。 第一比较步骤包括将第一阈值与第三参数进行比较。 第二比较步骤包括将第二阈值与第四参数进行比较。 判断步骤包括基于第一比较步骤和第二比较步骤的比较结果判断特征。 还描述了执行该方法的步骤的计算机程序或程序产品。