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    • 51. 发明申请
    • SUCCESSIVE APPROXIMATION REGISTER ANALOG TO DIGITAL CONVERTER CIRCUIT
    • 数字近似寄存器模拟数字转换器电路
    • WO2011151671A1
    • 2011-12-08
    • PCT/IB2010/002919
    • 2010-11-17
    • INDIAN INSTITUTE OF TECHNOLOGY BOMBAYBAGHINI, Maryam, ShojaeiHANDE, Vinayak, Gopal
    • BAGHINI, Maryam, ShojaeiHANDE, Vinayak, Gopal
    • H03M1/12H03M1/38
    • H03M1/466
    • Techniques are generally described herein for analog to digital conversion. Some example ADC converters include a unit capacitor array coupled to a reference voltage, where the capacitor array includes multiple capacitors coupled to one another via multiple switches under control of a control block. A comparator, having a first input and a second input, is configured to receive a controlled voltage generated from the unit capacitor array and compare an analog voltage to the controlled voltage. The control block is configured to selectively open or close the switches, receive a comparison result from the comparator, and generate a digital output based on the comparison result. The control block is configured to control the switch timing of the unit capacitor array for reset, pre-charge, charge redistribution, and comparison phases, where a passive charge redistribution method may be utilized.
    • 这里通常描述用于模数转换的技术。 一些示例ADC转换器包括耦合到参考电压的单元电容器阵列,其中电容器阵列包括通过控制块控制下的多个开关彼此耦合的多个电容器。 具有第一输入和第二输入的比较器被配置为接收从单位电容器阵列产生的受控电压并将模拟电压与受控电压进行比较。 控制块被配置为选择性地打开或关闭开关,从比较器接收比较结果,并且基于比较结果生成数字输出。 控制块被配置为控制用于复位,预充电,电荷再分配和比较阶段的单位电容器阵列的开关定时,其中可以使用无源电荷再分配方法。
    • 53. 发明申请
    • AN ON-LINE DIAGNOSTIC METHOD FOR HEALTH MONITORING OF A TRANSFORMER
    • 一种用于变压器健康监测的在线诊断方法
    • WO2011010325A1
    • 2011-01-27
    • PCT/IN2010/000474
    • 2010-07-15
    • INDIAN INSTITUTE OF TECHNOLOGY, BOMBAYMADHUKAR, Joshi PrasadVYANKATESH, Kulkarni Shrikrishna
    • MADHUKAR, Joshi PrasadVYANKATESH, Kulkarni Shrikrishna
    • G01R31/06G01R31/34
    • G01R31/027
    • An on-line diagnostic method for health monitoring of a transformer. In the case of a single phase or three phase star connected transformer deformations in the winding are determined by representing the transformer winding as a lumped parameter circuit and dividing the winding into at least two sections. A first set of fingerprint values are generated to determine the location of the deformed section of the winding and the type of deformation. A second set of finger print values are generated to determine the extent of deformation of the deformed section. The location and extent of radial or axial deformation or combination of both radial and axial deformation in the winding are then determined. The change in the capacitance of the bushing of the transformer connected at the line end of the winding is also determined. The state of the insulation system of the transformer is determined by detecting partial discharge pulses in the transformer winding. The change in the dielectric characteristics of the insulation system of the transformer is detected on the basis of phase angle difference.
    • 一种用于变压器健康监测的在线诊断方法。 在单相或三相星形连接的情况下,通过将变压器绕组表示为集总参数电路并将绕组分成至少两个部分来确定绕组中的变压器变形。 产生第一组指纹值,以确定绕组的变形部分的位置和变形类型。 产生第二组指纹值以确定变形部分的变形程度。 然后确定绕组的径向或轴向变形或径向和轴向变形的组合的位置和程度。 也确定了连接在绕组线端的变压器的套管的电容变化。 变压器绝缘系统的状态通过检测变压器绕组中的局部放电脉冲来确定。 基于相位角差检测变压器绝缘系统的介电特性的变化。
    • 54. 发明申请
    • A SYSTEM AND METHOD FOR SCORING A SINGING VOICE
    • 一种用于评分声音的系统和方法
    • WO2010140166A2
    • 2010-12-09
    • PCT/IN2010/000361
    • 2010-06-01
    • INDIAN INSTITUTE OF TECHNOLOGY, BOMBAYRAO, PreetiRAO, VishweshwaraPANT, Sachin
    • RAO, PreetiRAO, VishweshwaraPANT, Sachin
    • G10H1/36
    • G10H1/363G10H2210/066G10H2210/076G10H2210/091
    • A system for scoring a singing voice comprises a receiving means (1) for receiving a singing reference audio signal and/or a user audio signal and/or a pitch contour representation (PCR) of the reference and/or user singing audio signals; a processor means (2) connected to the receiving means (1) and comprising a pitch contour representation (PCR) module (10) for determining a PCR of the singing reference and/or user audio signal, a time synchronization module (11) for time synchronizing the PCRs of the reference and user audio signals respectively, a selection module (12) for selecting a segment of the PCRs of the reference and user audio signals based on pre-defined criteria, a cross-correlation module (13) for performing time-warped cross-correlation on the selected segments of the PCRs of the reference and user audio signals and outputting a cross-correlation score, a key matching module (14) and rhythm matching module (15) for key matching and rhythm matching the remaining unselected segments of the PCRs of the reference and user audio signals respectively and outputting a respective key matching score and rhythm matching score, a scoring module (16) for determining a singing score based on a combination of a pre-determined weightage of the cross- correlation, key matching and rhythm matching scores; a user interface means connected to the processor means for changing at least one module parameter within at least one module; a storing means (4) connected to the processor means (2) and a display means (5) connected to the processor means (2) for displaying the PCR and singing score.
    • 用于对唱歌声音进行评分的系统包括用于接收参考和/或用户唱歌音频信号的唱歌参考音频信号和/或用户音频信号和/或音调轮廓表示(PCR)的接收装置(1) 连接到接收装置(1)的处理器装置(2),包括用于确定唱歌参考和/或用户音频信号的PCR的音调轮廓表示(PCR)模块(10),时间同步模块(11),用于 时间同步参考和用户音频信号的PCR;选择模块(12),用于基于预定义的准则选择参考和用户音频信号的PCR的片段;互相关模块(13),用于执行 对参考和用户音频信号的PCR的所选择的片段进行时间互相互相关,并输出互相关得分,键匹配模块(14)和节奏匹配模块(15),用于与剩余的键匹配和节奏匹配 参考和用户音频信号的PCR的未选择片段并输出相应的键匹配分数和节奏匹配分数,用于基于前d的组合来确定歌唱得分的评分模块(16) 交叉相关的权重,关键匹配和节奏匹配得分; 连接到所述处理器装置的用户接口装置,用于改变至少一个模块内的至少一个模块参数; 连接到处理器装置(2)的存储装置(4)和连接到处理器装置(2)的用于显示PCR和唱歌分数的显示装置(5)。