公开(公告)号：US20150039272A1

公开(公告)日：2015-02-05

申请号：US13955523

申请日：2013-07-31

Applicant: NATIONAL INSTRUMENTS CORPORATION

Inventor： Rafael Castro Scorsi ,  Kunal H. Patel ,  Hector Rubio

IPC: H03M7/00 ,  G04F10/00

CPC classification number: H03M7/00 ,  G05B17/02 ,  G06F13/28

Abstract: A digitizer system (DS) may include one or more input channels to receive sample data, and an acquisition state machine (ASM) to organize the sample data into one or more acquisition records according to events of interest, and generate framing information corresponding to the one or more acquisition records. The events of interest may be identified by a trigger circuit in the DS, and relayed to the ASM for organizing the sample data. The DS may further include a data interface capable of receiving the one or more acquisition records and the framing information, encoding the one or more acquisition records and the framing information into encoded data, and transmitting the encoded data to an expansion module. The expansion module may receive the encoded data, decode the encoded data, and recover the sample data from the decoded data according to the framing information and the one or more acquisition records.

Abstract translation: 数字转换器系统（DS）可以包括用于接收采样数据的一个或多个输入通道，以及采集状态机（ASM），以根据感兴趣的事件将采样数据组织成一个或多个采集记录，并且生成对应于 一个或多个收购记录。 感兴趣的事件可以由DS中的触发电路来识别，并且被中继到ASM以组织样本数据。 DS还可以包括能够接收一个或多个捕获记录和成帧信息的数据接口，将一个或多个采集记录和成帧信息编码成编码数据，并将编码数据发送到扩展模块。 扩展模块可以接收编码数据，解码编码数据，并根据成帧信息和一个或多个采集记录从解码数据中恢复采样数据。

公开(公告)号：US09800229B2

公开(公告)日：2017-10-24

申请号：US14267274

申请日：2014-05-01

Applicant: NATIONAL INSTRUMENTS CORPORATION

Inventor： Garritt W. Foote ,  Hector Rubio

IPC: H04B1/10 ,  H03H17/02 ,  H03M1/12

CPC classification number: H03H17/0248 ,  H03M1/1225 ,  H03M1/1245

Abstract: Provided is a method for processing data samples from a plurality of data channels. The method may include obtaining a plurality of data samples from the plurality of data channels. Obtaining the plurality of data samples may involve successively obtaining a data sample from each data channel of the plurality of data channels. Successively obtaining a data sample from each data channel may be performed a plurality of times during a specified time period. Each data sample of the plurality of data samples may be associated with a respective sample time, and each respective sample time may be relative to a single specified reference point in time. The method may further include, for each data sample of the plurality of data samples, determining a time-dependent coefficient value that may correspond to the sample time associated with the data sample, and applying the determined time-dependent coefficient value to the data sample.

公开(公告)号：US08942300B1

公开(公告)日：2015-01-27

申请号：US13955523

申请日：2013-07-31

Applicant: National Instruments Corporation

Inventor： Rafael Castro Scorsi ,  Kunal H. Patel ,  Hector Rubio

IPC: H04L27/00 ,  H03M7/00 ,  G04F10/00

CPC classification number: H03M7/00 ,  G05B17/02 ,  G06F13/28

Abstract: A digitizer system (DS) may include one or more input channels to receive sample data, and an acquisition state machine (ASM) to organize the sample data into one or more acquisition records according to events of interest, and generate framing information corresponding to the one or more acquisition records. The events of interest may be identified by a trigger circuit in the DS, and relayed to the ASM for organizing the sample data. The DS may further include a data interface capable of receiving the one or more acquisition records and the framing information, encoding the one or more acquisition records and the framing information into encoded data, and transmitting the encoded data to an expansion module. The expansion module may receive the encoded data, decode the encoded data, and recover the sample data from the decoded data according to the framing information and the one or more acquisition records.

Abstract translation: 数字转换器系统（DS）可以包括用于接收采样数据的一个或多个输入通道，以及采集状态机（ASM），以根据感兴趣的事件将采样数据组织成一个或多个采集记录，并且生成对应于 一个或多个收购记录。 感兴趣的事件可以由DS中的触发电路来识别，并且被中继到ASM以组织样本数据。 DS还可以包括能够接收一个或多个捕获记录和成帧信息的数据接口，将一个或多个采集记录和成帧信息编码成编码数据，并将编码数据发送到扩展模块。 扩展模块可以接收编码数据，解码编码数据，并根据成帧信息和一个或多个采集记录从解码数据中恢复采样数据。

公开(公告)号：US20140244705A1

公开(公告)日：2014-08-28

申请号：US14267274

申请日：2014-05-01

Applicant: NATIONAL INSTRUMENTS CORPORATION

Inventor： Garritt W. Foote ,  Hector Rubio

IPC: H03H17/02

CPC classification number: H03H17/0248 ,  H03M1/1225 ,  H03M1/1245

Abstract: Provided is a method for processing data samples from a plurality of data channels. The method may include obtaining a plurality of data samples from the plurality of data channels. Obtaining the plurality of data samples may involve successively obtaining a data sample from each data channel of the plurality of data channels. Successively obtaining a data sample from each data channel may be performed a plurality of times during a specified time period. Each data sample of the plurality of data samples may be associated with a respective sample time, and each respective sample time may be relative to a single specified reference point in time. The method may further include, for each data sample of the plurality of data samples, determining a time-dependent coefficient value that may correspond to the sample time associated with the data sample, and applying the determined time-dependent coefficient value to the data sample.

Abstract translation: 提供了一种用于处理来自多个数据信道的数据样本的方法。 该方法可以包括从多个数据信道获得多个数据样本。 获取多个数据样本可以包括从多个数据信道的每个数据信道连续地获得数据样本。 可以在指定的时间段内连续地获得来自每个数据信道的数据样本多次。 多个数据样本的每个数据样本可以与相应的采样时间相关联，并且每个相应的采样时间可以相对于单个指定的参考点在时间上相关。 该方法还可以包括对于多个数据样本中的每个数据样本，确定可对应于与数据样本相关联的采样时间的时间依赖系数值，以及将所确定的时间依赖系数值应用于数据样本 。