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清华大学 [6]

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长春光学精密机械与物... [4]

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	Fast acoustic source imaging using multi-frequency sparse data 期刊论文 Inverse Problems, 2020, 卷号: 36, 期号: 2 作者: Alzaalig,Ala; Hu,Guanghui; Liu,Xiaodong; Sun,Jiguang 收藏 \| 浏览/下载：16/0 \| 提交时间：2020/03/10 acoustic source imaging multi-frequency data sampling method uniqueness
	Joint SCMA and waveform optimisation for WPDM-based logging cable telemetry systems under sampling clock offset 期刊论文 IET COMMUNICATIONS, 2019, 卷号: 13, 页码: 345-353 - 收藏 \| 浏览/下载：13/0 \| 提交时间：2020/01/03 quadrature amplitude modulation OFDM modulation genetic algorithms error statistics wavelength division multiplexing telecommunication cables radiotelemetry code division multiple access joint SCMA waveform optimisation sparse code multiple access WPDM-based system model associated optimal waveform design SCO OFDM SCMA-based mapping method bit error rate performance sampling clock offset wavelet packet division multiplexing LCTS orthogonal frequency division multiple
	Infrared modulated thermography based on complex Morlet wavelet phase [基于复Morlet小波相位的红外调制热像检测方法] 期刊论文 Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering, 2018, 卷号: 47 作者: Zhao, S.; Guo, X.; Liu, Y. 收藏 \| 浏览/下载：7/0 \| 提交时间：2019/12/30 Defects Fiber reinforced plastics Frequency modulation Glass fiber reinforced plastics Glass fibers Image processing Nondestructive examination Reinforced plastics Reinforcement Signal to noise ratio Wavelet transforms Complex Morlet Wavelet Detection capability Fourier transform method High-frequency noise Infrared image sequence Modulation frequencies Non destructive testing Sampling frequencies Thermography (imaging)
	A flow stability evaluation method based on flow-pressure correlation 期刊论文 FLOW MEASUREMENT AND INSTRUMENTATION, 2018, 卷号: 64, 页码: 155-163 作者: Meng, Tao; Fan, Shangchun; Wang, Chi; Shi, Huichao; Li, Xiaopeng 收藏 \| 浏览/下载：7/0 \| 提交时间：2019/12/30 Flow measurement Flowmeters Correlation coefficient Flow fluctuations Flow stability Fluctuation amplitudes Measuring method Relationship analysis Sampling frequencies Wide frequency range Flow rate
	Two effective post-filtering strategies for improving direct sampling methods 期刊论文 APPLICABLE ANALYSIS, 2017, 卷号: 96, 期号: 3, 页码: 502-515 作者: Liu, Keji 收藏 \| 浏览/下载：3/0 \| 提交时间：2019/08/22 Direct sampling method post-filtering strategies multi-frequency waves
	The Optimal Design Method of FIR Filter Using the Improved Genetic Algorithm 会议论文作者: Zhao, An-Xin; Tang, Xiao-Jun; Zhang, Zhong-Hua; Liu, Jun-Hua 收藏 \| 浏览/下载：10/0 \| 提交时间：2019/12/02 Look-up table Finite Impulse Response filter component Frequency sampling method Genetic Algorithm
	Study on time registration method for photoelectric theodolite data fusion (EI CONFERENCE) 会议论文 10th World Congress on Intelligent Control and Automation, WCICA 2012, July 6, 2012 - July 8, 2012, Beijing, China Yang H.-T.; Gao H.-B. 收藏 \| 浏览/下载：16/0 \| 提交时间：2013/03/25 In range measurement theodolite and radar constitute a real-time tracking system at different sites to track the same target in the air and get useful information exactly and timely. As the optical theodolite and radar have different sampling frequency and measurement system the data is sent to the fusion center is asynchronous. This paper proposed a time registration method based on multi-sensor data using Wavelet neural network algorithm which not only better solved the basic problems of theodolite fusion tracking but also improve the efficiency of data fusion. Simulation experiment and comparison with other time registration method have shown the advantage of this method. 2012 IEEE.
	Comparison and simulation of subpixel imaging modes for linear CCD (EI CONFERENCE) 会议论文 2012 3rd International Conference on Information Technology for Manufacturing Systems, ITMS 2012, September 8, 2012 - September 9, 2012, Qingdao, China Li Y.; He B.; Liu T. 收藏 \| 浏览/下载：30/0 \| 提交时间：2013/03/25 Subpixel technique of linear CCD is effective to enhance the spatial resolution without increasing the focal length of optics and reducing the pixel size. To compare image quality of two main subpixel imaging modes quincunx sampling and four-point sampling a method to quantitatively evaluate image quality of subpixel based on MTF was proposed. The MTF of quincunx and four-point sampling modes were derived. Analytical results shows that theoretical limiting resolution of quincunx sampling and four-point sampling is improved to 1.4 and 1.86 times respectively and MTF values at Nyquist frequency of two modes are increased by 0.1106 and 0.1679 respectively. MTFA in (0 0.5) of two subpixel imaging modes were calculated and results illustrates that four-point sampling offers much more improvement with image quality than quincunx sampling at the cost of double amount of data. A model for simulating subpixel imaging using Matlab was established and simulation results of spoke target verify the theoretical analysis. (2012) Trans Tech Publications Switzerland.
	Vibration testing parameters measured by sampling moiré method 期刊论文 Applied Mechanics and Materials, 2012, 卷号: 226-228, 页码: 1975-1980 作者: Lei, Z.; Wang, Z. 收藏 \| 浏览/下载：5/0 \| 提交时间：2019/12/13 Vibration waveform Frequency Amplitude Sampling moire method
	Bandwidth allocation strategy of networked control system based on multirate sampling method 期刊论文 International Journal of Digital Content Technology and its Applications, 2012, 卷号: 6, 期号: 23, 页码: 651-659 作者: Wang, Zhiwen; Sun, Hongtao 收藏 \| 浏览/下载：15/0 \| 提交时间：2020/11/14 Data communication equipment Frequency allocation Networked control systems Scheduling Available bandwidth Band-width utilization Co-designs Dynamic scheduling methods Multirate sampling Multirate sampling method Stability of control Static scheduling methods

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