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    • 51. 发明授权
    • Backlash compensation control method, backlash compensation controller and backlash compensation control program
    • 间隙补偿控制方法,间隙补偿控制器和齿隙补偿控制程序
    • US07363109B2
    • 2008-04-22
    • US11133368
    • 2005-05-20
    • Shan Jiang
    • Shan Jiang
    • G06F19/00
    • B25J9/1641Y10T74/19898Y10T74/20305
    • To allow a robot performing a cyclic movement upon receipt of a driving force transmitted through a driving force transmission system from a driving source along with a backlash to perform the movement compensated for the backlash, during a first period within a cycle of the movement of the robot, a predetermined first movement control value is repeatedly cumulatively added with a correction value so as to be gradually biased to a predetermined second movement control value over the first period, and during a second period within that cycle, a correction value is repeatedly cumulatively subtracted from the second movement control value so as to gradually return to the first movement control value over the second period, thereby generating the movement control value for controlling the movement of the robot, and based on the movement control value thus generated, the movement of the robot is controlled.
    • 为了允许机器人在接收到通过驱动力传递系统从驱动源传递的驱动力以及间隙执行循环运动以执行补偿间隙的运动时,在运动的循环的第一周期期间执行循环运动 机器人,预定的第一移动控制值被反复累积地加上校正值,以便在第一周期内逐渐地偏向预定的第二移动控制值,并且在该周期内的第二时段期间,反复地累积地减去校正值 从第二移动控制值开始,在第二期间逐渐返回到第一移动控制值,由此生成用于控制机器人的移动的移动控制值,并且基于由此产生的移动控制值, 机器人受到控制。
    • 52. 发明授权
    • LO leakage and sideband image calibration system and method
    • LO泄漏和边带图像校准系统及方法
    • US07280805B2
    • 2007-10-09
    • US10888842
    • 2004-07-09
    • Zhiwei XuShan JiangCharles Chien
    • Zhiwei XuShan JiangCharles Chien
    • H04B17/00H03C1/62
    • H04B1/0475
    • A system or method for calibrating an RF transmitter includes inputting a test tone to the RF transmitter. LO leakage calibration is performed on an output of the RF transmitter with the test tone inputted thereto, in order to determine a minimum LO leakage. Thereafter, sideband image calibration is performed on the output of the RF transmitter with the test tone inputted thereto, in order to determine a minimum sideband image. Operational values for the RF transmitter are stored in memory based on the detected minimum LO leakage and the detected minimum sideband image, to be used during a normal operation mode of the RF transmitter.
    • 用于校准RF发射机的系统或方法包括将测试音调输入到RF发射机。 在输入了测试音的RF发射机的输出上执行LO泄漏校准,以便确定最小的LO泄漏。 此后,对输入了测试音的RF发射机的输出执行边带图像校准,以便确定最小边带图像。 基于检测到的最小LO泄漏和检测到的最小边带图像将RF发射机的操作值存储在存储器中,以在RF发射机的正常操作模式期间使用。
    • 56. 发明申请
    • Methods for assaying gene imprinting and methylated cpg islands
    • 测定基因印迹和甲基化cpg岛的方法
    • US20050153440A1
    • 2005-07-14
    • US10296263
    • 2001-05-22
    • Andrew FeinbergLiora Strichman-AlmashanuShan Jiang
    • Andrew FeinbergLiora Strichman-AlmashanuShan Jiang
    • A01K67/027A61P35/00C12N5/074C12N5/10C12N15/09C12Q1/02C12Q1/68C12N5/06
    • C12N5/0611C12N2501/115C12N2501/125C12N2501/235C12N2501/385C12N2502/13C12N2503/00C12N2503/02C12N2510/00C12N2517/00C12Q1/6827C12Q1/6886C12Q2600/118C12Q2600/136C12Q2600/154
    • Genomic imprinting is a parent of origin-dependent gene silencing that involves marking of alleles in the germline and differential expression in somatic cells of the offspring. Imprinted genes and abnormal imprinting have been implicated in development, human disease, and embryonic stem cell transplantation. We have established a model system for genomic imprinting using pluripotent 8.5 d.p.c. mouse embryonic germ (EG) cell lines derived from an interspecific cross. We find that allele-specific imprinted gene expression has been lost in these cells. However, partial restoration of allele-specific silencing can occur for some imprinted genes after in vitro differentiation of EG cells into somatic cell lineages, indicating the presence of a gametic memory that is separable from allele-specific gene silencing. We have also generated a library containing most methylated CpG islands. A subset of these clones was analyzed and revealed a subdivision of methylated CpG islands into 4 distinct subtypes: CpG islands belonging to high copy number repeat families; unique CpG islands methylated in all tissues; unique methylated CpG islands that are unmethylated in the paternal germline; and unique CpG islands methylated in tumors. This approach identifies a methylome of methylated CpG islands throughout the genome.
    • 基因印记是起源依赖基因沉默的亲本,其涉及在种系中标记等位基因和在后代的体细胞中的差异表达。 印迹基因和异常印记涉及发育,人类疾病和胚胎干细胞移植。 我们已经建立了使用多能8.5 d.p.c的基因组印迹模型系统。 来自种间交叉的小鼠胚胎胚芽(EG)细胞系。 我们发现在这些细胞中已经丢失了等位基因特异性印记的基因表达。 然而,在将EG细胞体外分化成体细胞谱系后,一些印迹基因可能发生等位基因特异性沉默的部分恢复,表明存在可与等位基因特异性基因沉默分离的配子记忆。 我们还生成了一个包含大多数甲基化CpG岛的文库。 分析了这些克隆的一个子集,并揭示了甲基化CpG岛分为4个不同的亚型:属于高拷贝数重复家族的CpG岛; 所有组织中独特的CpG岛甲基化; 在父系种系中未甲基化的独特的甲基化CpG岛; 和独特的CpG岛在肿瘤中甲基化。 该方法鉴定了整个基因组中甲基化CpG岛的甲基化。
    • 58. 发明授权
    • Variable gain received signal strength indicator
    • 可变增益接收信号强度指示器
    • US06720757B2
    • 2004-04-13
    • US10106910
    • 2002-03-26
    • Shahla KhorramShan Jiang
    • Shahla KhorramShan Jiang
    • G01R1722
    • H04B17/318
    • An RSSI circuit provides a relatively inexpensive technique for accurately measuring received signal strength over a wide dynamic range. A received signal is processed by a rectifier circuit that generates a series of DC offsets of increasing magnitude. The DC offsets are imposed on a first polarity of the received signal to create a series of outputs that are the first polarity of the received signal with increasing DC offsets. Each of the outputs is coupled to one input of a weighted comparator with the other input of the comparator coupled to a second and opposite polarity of the received signal with no offset. The comparators determine when overlap occurs to indicate particular signal levels.
    • RSSI电路提供了用于在宽动态范围内精确测量接收信号强度的相对便宜的技术。 接收信号由整流电路处理,该整流电路产生一系列增加幅度的直流偏移。 直流偏移被施加在接收信号的第一极性上,以产生一系列输出,它们是具有增加的直流偏移的接收信号的第一极性。 每个输出耦合到加权比较器的一个输入端,比较器的另一个输入端与接收信号的第二和相反极性相耦合,没有偏移。 比较器确定何时发生重叠以指示特定的信号电平。