National Natural Science Foundation of China(61774129,61827812,61704145);Hunan Science and Technology Department Huxiang High-level Talent Gathering Project(2019RS1037);Changsha Science and Technology Plan Key Projects(kq1801035)。
A two-step high-precision Time-to-Digital Converter(TDC),integrated with a Single-Photon Avalanche Diode(SPAD),used for Time-Of-Flight(TOF)application,has been developed and tested.Time interval measurement is perform...
support from the National Natural Science Foundation of China(51575028);National Natural Science Foundation of China(51605258);the Fundamental Research Funds for the Central Universities of China(YWF-18-BJ-J-75)。
The unsatisfied surface quality seriously impedes the wide application of incremental sheet forming(ISF)in industrial field.As a novel approach,the interpolator method is a promising strategy to enhance the surface qu...
the Chinese Natural Science Foundation(Grant Nos.11973081,11573062 and 11521303);Youth Innovation Promotion Association(Grant 2012048);Yunnan Province Foundation(2011CI053 and 2019FB006);the Youth Project of Western Light of Chinese Academy of Sciences。
Stellar population synthesis is an important method in galaxy and star-cluster studies.In stellar population synthesis models,a stellar spectral library is necessary for the integrated spectra of the stellar populatio...
The proposed Clock and data recovery system(CDRS)has three improved parts.The second order digital filter with rounding algorithm implements fractional gain and avoids direct current quantization noise which varies be...
Supported by National Natural Science Foundation of China(Grant No.50875171);National Hi-tech Research and Development Program of China(863 Program,Grant No.2009AA04Z150)
A numerical control (NC) tool path of digital CAD model is widely generated as a set of short line segments in machining. However, there are three shortcomings in the linear tool path, such as discontinuities of tange...
A number of conventional interpolation techniques have been proposed. However, it seems that there do not exist good criteria for the design of optimal linear interpolators. Also, such an interpolator can hardly provi...
This paper introduces a reference-pulse interpolator motion control system, which can be applied for computer numerical control (CNC) machine tools. The interpolation is calculated in DSP and the independent pulse gen...
supported partially by the National Natural Science Foundation of China under Grant Nos.10871195 and 60821002/F02;National Center for Mathematics and Interdisciplinary Sciences of Chinese Academy of Sciences
This paper considers geometric error control in the parabola-blending linear interpolation method(Zhang,et al.,2011).Classical model of chord error by approximation with contact circle on the parabolas leads to incorr...
A semi-digital clock and data recovery (CDR) is presented. In order to lower CDR trace jitter and decrease loop latency, an average-based phase detection algorithm is adopted and realized with a novel circuit. Imple...