Heng Ma
Publications
- Fluorescence Switching Induced by pH-Triggered Transition between Dual-Mode Restricted Intramolecular Motion
Zhijian Mai; Haozhang Ma; Zhiwen Zeng; Yancong Feng; Meijin Zhang; Meijin Zhang; Hao Li; Yuanyuan Guo; Yanan Guo; Paddy J French; Renfeng Dong; Laisheng Li; Guofu Zhou; Yao Wang;
Applied Optical Materials,
Volume 4, 2026. DOI: https://doi.org/10.1021/acsaom.6c00012 - Deeper multi-redshift upper limits on the epoch of reionisation 21 cm signal power spectrum from LOFAR between z = 8.3 and z = 10.1
F. G. Mertens; M. Mevius; L. V. E. Koopmans; A. R. Offringa; S. Zaroubi; A. Acharya; S. A. Brackenhoff; E. Ceccotti; E. Chapman; K. Chege; B. Ciardi; R. Ghara; S. Ghosh; S. K. Giri; I. Hothi; C. Höfer; I. T. Iliev; V. Jelić; Q. Ma; G. Mellema; S. Munshi; V. N. Pandey andS. Yatawatta;
Astronomy and Astrophysics,
Volume 698, Issue A186, pp. 1-32, May 2025. DOI: 10.1051/0004-6361/202554763 - Constraints on the state of the intergalactic medium at z∼8 − 10 using redshifted 21 cm observations with LOFAR
R. Ghara; S. Zaroubi; B. Ciardi; G. Mellema; S. K. Giri; F. G. Mertens; M. Mevius; L. V. E. Koopmans; I. T. Iliev; A. Acharya; S. A. Brackenhoff; E. Ceccotti; K. Chege; I. Georgiev; S. Ghosh; I. Hothi; C. Höfer; Q. Ma; S. Munshi; A. R. Offringa; A. K. Shaw; V. N. Pandey; S. Yatawatta; M. Choudhury;
Astronomy and Astrophysics,
Volume 699, Jul. 2025. DOI: 10.1051/0004-6361/202554163 - Low-Rank Covariance Matrix Recovery From Rank-One Measurements: An Analytical Solution
Peilan Wang; Jun Fang; Binyao Ma; Bin Wang; Geert Leus;
IEEE Signal Processing Letters,
Volume 32, pp. 2674-2678, 2025. DOI: 10.1109/LSP.2025.3584252
document - Inter-Vector Interference Self-Cancellation Scheme for Differential OSDM in Underwater Acoustic Communications
Yujie Wang; Qunfei Zhang; Shengqian Ma; Lingling Zhang; Jing Han; Geert Leus;
In IEEE 24th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC),
pp. 501-505, 2023. DOI: 10.1109/SPAWC53906.2023.10304441
document - Applications and Potentials of Intelligent Swarms for magnetospheric studies
Raj Thilak Rajan; Shoshana Ben-Maor; Shaziana Kaderali; Calum Turner; Mohammed Milhim; Catrina Melograna; Dawn Haken; Gary Paul; Vedant; V. Sreekumar; Johannes Weppler; Yosephine Gumulya; Riccardo Bunt; Asia Bulgarini; Maurice Marnat; Kadri Bussov; Frederick Pringle; Jusha Ma; Rushanka Amrutkar; Miguel Coto; Jiang He; Zijian Shi; Shahd Hayder; Dina Saad Fayez Jaber; Junchao Zuo; Mohammad Alsukour; Cécile Renaud; Matthew Chris;
Acta Astronautica,
2021. DOI: https://doi.org/10.1016/j.actaastro.2021.07.046
Keywords: ...
Satellite swarms, Intelligent swarms, Heliophysics, Magnetosphere, Cubesats, Next generation space systems.
Abstract: ...
Earth’s magnetosphere is vital for today’s technologically dependent society. To date, numerous design studies have been conducted and over a dozen science missions have flown to study the magnetosphere. However, a majority of these solutions relied on large monolithic satellites, which limited the spatial resolution of these investigations, as did the technological limitations of the past. To counter these limitations, we propose the use of a satellite swarm carrying numerous and distributed payloads for magnetospheric measurements. Our mission is named APIS — Applications and Potentials of Intelligent Swarms. The APIS mission aims to characterize fundamental plasma processes in the Earth’s magnetosphere and measure the effect of the solar wind on our magnetosphere. We propose a swarm of 40 CubeSats in two highly-elliptical orbits around the Earth, which perform radio tomography in the magnetotail at 8–12 Earth Radii (RE) downstream, and the subsolar magnetosphere at 8–12 RE upstream. These maps will be made at both low-resolutions (at 0.5 RE, 5 s cadence) and high-resolutions (at 0.025 RE, 2 s cadence). In addition, in-situ measurements of the magnetic and electric fields, plasma density will be performed by on-board instruments. In this article, we present an outline of previous missions and designs for magnetospheric studies, along with the science drivers and motivation for the APIS mission. Furthermore, preliminary design results are included to show the feasibility of such a mission. The science requirements drive the APIS mission design, the mission operation and the system requirements. In addition to the various science payloads, critical subsystems of the satellites are investigated e.g., navigation, communication, processing and power systems. Our preliminary investigation on the mass, power and link budgets indicate that the mission could be realized using Commercial Off-the-Shelf (COTS) technologies and with homogeneous CubeSats, each with a 12U form factor. We summarize our findings, along with the potential next steps to strengthen our design study.
document - Low-Complexity Equalization of MIMO-OSDM
Jing Han; Shengqian Ma; Yujie Wang; G. Leus;
IEEE Trans. on Vehicular Technology,
Volume 69, Issue 2, pp. 2301--2305, February 2020. DOI: 10.1109/TVT.2019.2957542 - Fan-out Panel-level PCB Embedded SiC Power MOSFETs Packaging
Fengze Hou; W. Wang; R. Ma; Y. Li; Z. Han; M. Su; J. Li; Z. Yu; Y. Song; Q. Wang; M. Chen; L. Cao; GuoQi Zhang; J.A. Ferreira;
IEEE Journal of Emerging and Selected Topics in Power Electronics,
Volume 8, Issue 1, pp. 367-380, 2020. - P-type β-Ga2O3 metal-semiconductor-metal solar-blind photodetectors with extremely high responsivity and gain-bandwidth product
Z.X. Jiang; Z.Y. Wu; C.C. Ma; J.N. Deng; H. Zhang; Y. Xu; J.D. Ye; Z.L. Fang; GuoQi Zhang; J.Y. Kang; T.-Y. Zhang;
Materials Today Physics,
Volume 14, pp. 100226, 2020. DOI: 10.1016/j.mtphys.2020.100226
document - Silicon-based multi-functional wafer-level-package for LEDs in 7-mask BiCMOS process
Zahra Kolahdouz; T Ma; H Abdy; M Kolahdouz; H van Zeijl; GuoQi Zhang;
Sensors and Actuators A: Physical,
Volume 263, pp. 622-632, 2017. - Output blue light evaluation for phosphor based smart white LED wafer level packages
Z. Kolahdouz; A. Rostamian; M. Kolahdouz; T. Ma; H. van Zeijl; GuoQi Zhang;
Optics Express,
Volume 24, Issue 4, pp. 174-177, 2016. - Mass sensitivity of aluminum nitride thin film based surface acoustic wave sensors prepared for biosensing application
Ying-ge Li; Lian-xiang Ma; P. M. Sarro; Dong-xing Du; Xue-feng Liu;
In Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA),
pp. 368-370, 2016. - Distributed Sparsity-Aware Sensor Selection
H. Jamali-Rad; A. Simonetto; Xiaoli Ma; G. Leus;
IEEE Tr. Signal Proc.,
Volume 63, Issue 22, pp. 5951--5964, 2015. DOI: 10.1109/TSP.2015.2460224
document - Sparsity-aware sensor selection for correlated noise
H. Jamali-Rad; A. Simonetto; G. Leus; Xiaoli Ma;
In Int. Conf. Information Fusion (Fusion 2014),
Salamanca, Spain, July 2014.
document - Numerical modeling of flexible actuator for dynamic lighting
Teng Ma; Xueming Li; Jia Wei; GuoQi Zhang; P. M. Sarro;
In 15th International Conference on thermal, mechanical and multi-physics simulation and experiments in microelectronics and microsystems,
2014. - Blue Selective Photodiodes for Optical Feedback in LED Wafer Level Packages
Z. Kolahdouz; A. Rostamian; M. Kolahdouz; T. Ma; H. V. Zeijl; GuoQi Zhang;
In Solid-State Device Research Conference (ESSDERC), 2014 Proceedings of the European,
pp. 174-177, 2014. - A Precise and High Speed Charge-Pump PLL Model Based on SystemC/SystemC-AMS
Kezheng Ma; T.G.R.M. van Leuken; M. Vidojkovic; J. Romme; S. Rampu; H. Pflug; Li Huang; Guido Dolmans;
Intl. Journal of Electronics and Telecommunications,
Volume 58, Issue 3, pp. 225-231, September 2012. ISSN 0867-6747. DOI: 10.2478/v10177-012-0031-5 - Abstracting synchronization process in workflow involving partial synchronization pattern
F. Hu; J. Jiang; L. Ma; L. Liu;
Applied Mechanics and Materials,
Volume 182-183, pp. 1781-1785, 2012. Harvest Betreft: 2012 International Applied Mechanics, Mechatronics Automation Symposium (IAMMAS 2012); Shenyang, Liaoning. - Robust Time-Based Localization for Asynchronous Networks
Yiyin Wang; Xiaoli Ma; G. Leus;
IEEE Tr. Signal Processing,
Volume 59, Issue 9, pp. 4397-4410, September 2011. ISSN: 1053-587X. DOI: 10.1109/TSP.2011.2159215
document - Time-based localization for asynchronous wireless sensor networks
Yiyin Wang; G. Leus; Xiaoli Ma;
In Proc. IEEE ICASSP,
Prague (Czech Republic), IEEE, pp. 3284-3287, May 2011.
document - A Fast and Accurate SystemC-AMS model for PLL
K. Ma; R. van Leuken; M. Vidojkovic; J. Romme; S. Rampu; H. Pflug; Li Huang; G. Dolmans;
In 18th International Conference Mixed Design of Integrated Circuits and Systems (MIXDES 2011),
Gliwice, Poland, pp. 411-416, June 2011. Print ISBN: 978-1-4577-0304-1.
document - Tracking a mobile node by asynchronous networks
Yiyin Wang; G. Leus; Xiaoli Ma;
In 2011 IEEE 12th Int. Workshop on Signal Proc. Advances in Wireless Comm. (SPAWC),
San Francisco (CA), IEEE, pp. 161-165, June 2011. ISSN 1948-3244. DOI: 10.1109/SPAWC.2011.5990385
document - Robust Time-Based Localization for Asynchronous Networks with Clock Offsets
Yiyin Wang; Xiaoli Ma; G. Leus;
In Proc. Asilomar Conf. on Signals, Systems, and Computers,
Monterey, CA, November 2011. - An UWB Ranging-based Localization Strategy with Internal Attack Immunity
Yiyin Wang; Xiaoli Ma; G. Leus;
In Proc. 2010 IEEE Int. Conf. on Ultra-Wideband (ICUWB),
Nanjing, China, IEEE, September 2010. DOI: 10.1109/ICUWB.2010.5615052, E-ISBN 978-1-4244-5306
document - Fabrication of in situ ultrathin anodic aluminum oxide layers for nanostructuring on silicon substrate
B. Yan; H.T.M. Pham; Y. Ma; Y. Zhuang; P.M. Sarro;
Appl. Phys. Lett.,
Volume 91, pp. 101902.1-3, 2007. - Editorial: Reliable Communications over Rapidly Time-Varying Channels
G. Leus; G.B. Giannakis; J.P. Linnartz; X. Ma; A. Swami; C. Tepedelenlioglu;
EURASIP Journal on Applied Signal Processing,
Volume 2006, pp. Article ID 3967, 2006.
document - Receiver RF front-end with 5GHz-band LC voltage-controlled oscillator and subharmonically-locked ring oscillator for 17GHz wireless applications
Tasic, A.; Yue, S.S.Y.; Ma, D.K.L.; Serdijn, W.A.; Long, J.R.; Harame, D.L;
In Proc. Radio Frequency Integrated Circuits Symposium (RFIC),
IEEE, June 11-13 2006.
document - Space-Time-Doppler Coding for Correlated Time-Selective Fading Channels
X. Ma; G. Leus; G.B. Giannakis;
IEEE Transactions on Signal Processing,
Volume 53, Issue 6, pp. 2167-2181, June 2005.
document - A CMOS smart temperature sensor with a 3σ inaccuracy of ±0.5°C from -50°C to 120°C
M. A. P. Pertijs; A. Niederkorn; X. Ma; B. McKillop; A. Bakker; J. H. Huijsing;
IEEE Journal of Solid-State Circuits,
Volume 40, Issue 2, pp. 454‒461, February 2005. DOI: 10.1109/JSSC.2004.841013
Abstract: ...
A low-cost temperature sensor with on-chip sigma-delta ADC and digital bus interface was realized in a 0.5 μm CMOS process. Substrate PNP transistors are used for temperature sensing and for generating the ADC's reference voltage. To obtain a high initial accuracy in the readout circuitry, chopper amplifiers and dynamic element matching are used. High linearity is obtained by using second-order curvature correction. With these measures, the sensor's temperature error is dominated by spread on the base-emitter voltage of the PNP transistors. This is trimmed after packaging by comparing the sensor's output with the die temperature measured using an extra on-chip calibration transistor. Compared to traditional calibration techniques, this procedure is much faster and therefore reduces production costs. The sensor is accurate to within ±0.5°C (3σ) from -50°C to 120°C. - A high-accuracy CMOS smart temperature sensor with fast calibration procedure
M. A. P. Pertijs; A. Niederkorn; X. Ma; B. McKillop; A. Bakker; J. Huijsing;
In Annual Sensor Technology Workshop Sense of Contact,
The Netherlands, pp. 37, March 2003. - A CMOS temperature sensor with a 3σ inaccuracy of ±0.5°C from -50°C to 120°C
M. Pertijs; A. Niederkorn; X. Ma; B. McKillop; A. Bakker; J. Huijsing;
In Dig. Techn. Papers IEEE International Solid-State Circuits Conference (ISSCC),
IEEE, pp. 200‒201, February 2003. DOI: 10.1109/ISSCC.2003.1234266
Abstract: ...
A temperature sensor in 0.5μm CMOS achieves an accuracy of ±0.5°C (3σ) from -50°C to 120°C. It combines chopping, dynamic element matching and curvature correction with calibration at room temperature. Calibration time has been reduced to less than 1s by using an on-chip transistor to measure the die temperature. - A unified algebraic transformation approach for parallel recursive and adaptive filtering and SVD algorithms
Jun Ma; K.K. Parhi; E.F. Deprettere;
IEEE Tr. Signal Processing,
Volume 49, Issue 2, pp. 424-437, February 2001. - Pipelined CORDIC-based cascade orthogonal IIR digital filters
Jun Ma; K.K. Parhi; E.F. Deprettere;
IEEE Trans. Circuits and Systems II: analog and digital signal processing,
Volume 47, Issue 11, pp. 1238-1253, November 2000. - Annihilation-reordering look-ahead pipelined CORDIC-based RLS adaptive filters and their application to adaptive beamforming
Jun Ma; K.K. Parhi; E.F. Deprettere;
IEEE Trans. Signal Processing,
Volume 48, Issue 8, pp. 2414-2431, August 2000. - Efficient Implementation of pipelined CORDIC based IIR digital filters using fast orthogonal $\mu$-rotations
Jun Ma; E.F. Deprettere;
IEEE Tr. Signal Proc.,
Volume 48, Issue 9, pp. 2712-2716, September 2000. - An algorithm transformation approach to CORDIC based parallel singular value decompositions architectures
Jun Ma; K.K. Parhi; E.F. Deprettere;
In Thirty-Third Asilomar Conference on Signals, Systems, and Computers,
Piscataway, NJ, USA, IEEE, pp. 1401-5 vol.2, 1999. - X ray diffraction analysis of self-organized InAs quantum dots
Y. ZY. Huang.T. Wang; W.Q. Ma; W. Wang; X.P. Yang; Z.G. Chen; D.S. Jiang; H.Z. Zheng;
In Proc.SPIE,
pp. 75, 1996.
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