NOISE MODEL METHOD OF PREDICTING MISMATCH EFFECTS ON TRANSIENT CIRCUIT BEHAVIORS
    1.
    发明申请
    NOISE MODEL METHOD OF PREDICTING MISMATCH EFFECTS ON TRANSIENT CIRCUIT BEHAVIORS 审中-公开
    噪声模型预测误差对瞬态电路行为的影响

    公开(公告)号:WO2008109337A2

    公开(公告)日:2008-09-12

    申请号:PCT/US2008/055286

    申请日:2008-02-28

    CPC classification number: G06F17/5036

    Abstract: A method of simulating device mismatch effects on transient circuit behaviors utilizes a circuit model corresponding to an electronic circuit. The circuit model includes a plurality of circuit elements and one or more noise sources. The noise sources have noise characteristics that correspond to device mismatch effects associated with the circuit elements. A noise analysis is performed on the circuit model to generate a noisy steady-state waveform of a selected output of the electronic circuit. Then, the noisy steady-state waveform is translated into a prediction of the variation of a respective circuit parameter associated with the electronic circuit.

    Abstract translation: 模拟对瞬态电路行为的器件失配影响的方法利用与电子电路相对应的电路模型。 电路模型包括多个电路元件和一个或多个噪声源。 噪声源具有对应于与电路元件相关的器件失配效应的噪声特性。 对电路模型执行噪声分析,以产生电子电路的选定输出的噪声稳态波形。 然后,将噪声稳态波形转换成与电子电路相关联的各个电路参数的变化的预测。

    METHOD AND APPARATUS FOR DETERMINING A CALIBRATION SIGNAL
    3.
    发明申请
    METHOD AND APPARATUS FOR DETERMINING A CALIBRATION SIGNAL 审中-公开
    用于确定校准信号的方法和装置

    公开(公告)号:WO2008144081A1

    公开(公告)日:2008-11-27

    申请号:PCT/US2008/052502

    申请日:2008-01-30

    CPC classification number: G01R31/31708 G01R31/3171 G01R31/318342

    Abstract: Embodiments of a system for determining and optimizing the performance a signaling system are described. During operation, the system captures or measures a single-bit response (SBR) for the signaling system. Next, the system constructs an idealized inter-symbol-interference-free (ISI-free) SBR for the signaling system which is substantially free of inter-symbol-interference (ISI). The system then calculates an ISI-residual from the captured SBR and the idealized ISI-free SBR. Next, the system constructs a calibration bit pattern for the signaling system that is based substantially on the ISI-residual. Finally, the system uses the calibration bit pattern to calibrate, optimize and determine an aspect of the performance of the signaling system.

    Abstract translation: 描述了用于确定和优化信号系统的性能的系统的实施例。 在操作期间,系统捕获或测量信令系统的单位响应(SBR)。 接下来,该系统为基本上没有符号间干扰(ISI)的信令系统构建理想化的符号间无干扰(ISI-free)SBR。 然后系统从捕获的SBR和理想的无ISI的SBR计算ISI残差。 接下来,系统构建用于基本上基于ISI残差的信令系统的校准位模式。 最后,系统使用校准位模式来校准,优化和确定信号系统性能的一个方面。

    LINEAR TRANSFORMATION CIRCUITS
    4.
    发明申请
    LINEAR TRANSFORMATION CIRCUITS 审中-公开
    线性变换电路

    公开(公告)号:WO2007024446A3

    公开(公告)日:2008-09-18

    申请号:PCT/US2006030411

    申请日:2006-08-02

    CPC classification number: G06F17/141 G06J1/005

    Abstract: A transform circuit includes a first circuit and a second circuit. The first circuit and the second circuit implement first and second mappings that together generate a pre-defined transform of N digital data symbols. The first circuit maps a set of N digital data symbols from N parallel data streams to N analog data symbols by generating N sets of first weighted sums of the N digital data symbols. Each respective first weighted sum is defined by a respective set of pre-determined first weighting values in a first matrix. The second circuit maps the N analog data symbols to a sequence of N output signals over N time intervals. Each of the N output signals corresponds to a respective second weighted sum of the N analog data symbols. Each respective second weighted sum is defined by a respective set of pre-determined second weighting values in a second matrix.

    Abstract translation: 变换电路包括第一电路和第二电路。 第一电路和第二电路实现一起产生N个数字数据符号的预定义变换的第一和第二映射。 第一电路通过产生N个数字数据符号的第一加权和的N组,将来自N个并行数据流的一组N个数字数据符号映射到N个模拟数据符号。 每个相应的第一加权和由第一矩阵中的预定的第一加权值的相应集合来定义。 第二电路在N个时间间隔内将N个模拟数据符号映射到N个输出信号的序列。 N个输出信号中的每一个对应于N个模拟数据符号的相应的第二加权和。 每个相应的第二加权和由第二矩阵中的预定的第二加权值的相应集合来定义。

    MICROSCOPY ARRANGEMENTS AND APPROACHES
    5.
    发明申请
    MICROSCOPY ARRANGEMENTS AND APPROACHES 审中-公开
    显微镜安装和方法

    公开(公告)号:WO2007044725A2

    公开(公告)日:2007-04-19

    申请号:PCT/US2006/039569

    申请日:2006-10-06

    CPC classification number: G02B21/361 G02B21/367 G02B27/0075

    Abstract: Light-field microscopy is facilitated using an approach to image computation. In connection with an example embodiment, a subject (e.g., 105) is imaged by passing light from the subject through a microlens array (e.g., 120) to a photosensor array (e.g., 130) to simultaneously detect light from the subject that is passed through different directions to different locations. In certain embodiments, information from the detected light is used to compute refocused images, perspective images and/or volumetric datasets, from a single- shot photograph.

    Abstract translation: 使用图像计算的方法来促进光场显微镜。 结合示例性实施例,通过将来自受试者的光穿过微透镜阵列(例如,120)到光传感器阵列(例如,130)来对被摄体(例如,105)成像,以同时检测来自被摄体的光 通过不同的方向到不同的位置。 在某些实施例中,来自检测到的光的信息用于从单次照片计算重聚焦图像,透视图和/或体积数据集。

    NOISE-TOLERANT SIGNALING SCHEMES SUPPORTING SIMPLIFIED TIMING AND DATA RECOVERY
    8.
    发明申请
    NOISE-TOLERANT SIGNALING SCHEMES SUPPORTING SIMPLIFIED TIMING AND DATA RECOVERY 审中-公开
    支持简化时序和数据恢复的噪声信令方案

    公开(公告)号:WO2005062469A1

    公开(公告)日:2005-07-07

    申请号:PCT/US2004/040483

    申请日:2004-12-03

    CPC classification number: H04L47/10 H04L5/20 H04L25/0276

    Abstract: Described are communication systems that convey differential and common-mode signals over the same differential channel. Noise-tolerant communication schemes use low-amplitude common-mode signals that are easily refected by differential receivers thus allowing for very high differential data rates. Some embodiments employ the common-mode signals to transmit bacchanal signals for adjusting the characteristics of the differential transmitter. Backchannel control signals are effectively conveyed even if the forward channel transmitter is so maladjusted that the received differential data is unrecognizable. Systems in accordance with the above-described embodiments obtain these advantages without additional pins or communications channels, and are compatible with both AC-coupled and DC-coupled communications channels. Data coding schemes and corresponding data recovery circuits eliminate the need for complex, high-speed CDR circuits.

    Abstract translation: 描述了通过相同的差分通道传送差分和共模信号的通信系统。 耐噪声通信方案使用易于被差分接收机反射的低幅度共模信号,从而允许非常高的差分数据速率。 一些实施例采用共模信号来传输用于调整差分发射机的特性的机构信号。 即使前向信道发射机被调整不正确,接收到的差分数据是无法识别的,反向信道控制信号也被有效地传送。 根据上述实施例的系统在没有附加引脚或通信信道的情况下获得这些优点,并且与AC耦合和DC耦合通信信道兼容。 数据编码方案和相应的数据恢复电路不需要复杂的高速CDR电路。

    LINEAR TRANSFORMATION CIRCUIT
    10.
    发明申请
    LINEAR TRANSFORMATION CIRCUIT 审中-公开
    线性变换电路

    公开(公告)号:WO2007076229A2

    公开(公告)日:2007-07-05

    申请号:PCT/US2006061655

    申请日:2006-12-06

    CPC classification number: G06J1/00

    Abstract: A first device is described. The first device may include a linear transformation circuit to implement multiplication by a matrix D. The linear transformation circuit may have an input to receive a vector having N digital values and an output to output N first output signals, a sign-adjustment circuit to adjust signs of a subset including at least M of the N first output signals in accordance with a set of coefficients H, and a conversion (DAC) circuit coupled to the sign-adjustment circuit. Outputs from the DAC circuit may be summed to produce an output.

    Abstract translation: 描述第一设备。 第一装置可以包括线性变换电路以实现矩阵D的乘法。线性变换电路可以具有用于接收具有N个数字值的矢量的输入和用于输出N个第一输出信号的输出,用于调整的符号调整电路 根据一组系数H包括N个第一输出信号中的至少M个的子集的符号,以及耦合到符号调整电路的转换(DAC)电路。 来自DAC电路的输出可以相加以产生输出。

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