公开(公告)号：US10310546B2

公开(公告)日：2019-06-04

申请号：US15730407

申请日：2017-10-11

Applicant: UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA

Inventor： Yindong Xiao ,  Guangkun Guo ,  Ke Liu ,  Junwu Zhang ,  Houjun Wang ,  Jianguo Huang ,  Shulin Tian

IPC: G06F1/02 ,  G06F15/78 ,  H03K4/02 ,  G01R31/28 ,  G10H1/12 ,  G06F1/03 ,  G06F13/28

Abstract: The present invention provides an arbitrary waveform generator based on instruction architecture. To deal with the feature that the instructions and waveform data of the AWG are coupled in the prior art, an instruction set based waveform synthesis controller is employed, and substitutes for the sequence wave generator in the present invention, i.e. an arbitrary waveform generator based on instruction architecture. Thus the time-sharing scheduling in reading the waveform synthesis instruction and the segment waveform data is realized, and the complexity of the hardware is reduced, so that the AWG in present invention can synthesize and generate a complex sequence wave rapidly and efficiently.

公开(公告)号：US09130583B2

公开(公告)日：2015-09-08

申请号：US14584599

申请日：2014-12-29

Applicant: UNIVERSITY OF ELECTRONIC SCIENCE AND TECHNOLOGY OF CHINA

Inventor： Wuhuang Huang ,  Kuojun Yang ,  Houjun Wang ,  Jun Jiang ,  Hao Zeng ,  Duyu Qiu ,  Peng Ye ,  Qinchuan Zhang ,  Shulin Tian

IPC: H03M1/00 ,  H03M1/12 ,  G06T17/20 ,  G06F3/038 ,  G06F3/044

CPC classification number: H03M1/128 ,  G06F3/038 ,  G06F3/044 ,  G06T17/20 ,  H03M1/00 ,  H03M1/12 ,  H03M1/1285

Abstract: For the signal under acquisition which varies monotonically before and after the trigger time, a method for full-digital random sampling employs first sampled data before the trigger time and first sampled data after the trigger time to fit a curve, and obtains an intersection point of triggering level and the fitted curve, then, calculates the time interval between sampled data after the trigger time and the intersection point in the end, reconstructs the original signal, i.e. the signal under acquisition by a time interval of each acquisition. Thus, an analog trigger circuit and a time measurement circuit of conventional random sampling system can be eliminated, that simplifies the circuit design of data acquisition system and decreases its hardware complexity. Moreover, the higher sampling rate for the signal under acquisition is attained, and more waveform details are obtained.

Abstract translation: 对于在触发时间之前和之后单调变化的信号，全数字随机采样的方法在触发时间之前采用第一采样数据，并在触发时间之后采用第一采样数据以拟合曲线，并获得 触发电平和拟合曲线，然后计算触发时间之后的采样数据与最终交点之间的时间间隔，重建原始信号，即每次采集时间间隔内的采集信号。 因此，可以消除常规随机采样系统的模拟触发电路和时间测量电路，简化了数据采集系统的电路设计，降低了硬件复杂度。 此外，获得获取信号的较高采样率，并获得更多的波形细节。