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We describe a novel index modulation (IM) scheme exploiting a unique feature of the recently proposed affine frequency division multiplexing (AFDM) in doubly-dispersive (DD) channels. Dubbed AFDM chirp-permutation-index modulation (CPIM),…

Signal Processing · Electrical Eng. & Systems 2024-05-06 Hyeon Seok Rou , Kein Yukiyoshi , Taku Mikuriya , Giuseppe Thadeu Freitas de Abreu , Naoki Ishikawa

We have fabricated multilayer readout wiring Transition Edge Sensors (TES), which enable us to realize both large effective area and high-energy resolution for future X-ray astrophysical missions, such as DIOS. By sandwiching a SiO2…

Instrumentation and Detectors · Physics 2014-02-04 Shin'ya Yamada , Y. Ezoe , Y. Ishisaki , T. Ohashi , N. Iijima , K. Mitsuda , K. Nagayoshi , H. Akamatsu , T. Morooka , K. Tanaka

Coded modulation is a key technique to increase the spectral efficiency of coherent optical communication systems. Two popular strategies for coded modulation are turbo trellis-coded modulation (TTCM) and bit-interleaved coded modulation…

Information Theory · Computer Science 2017-10-12 Eric Sillekens , Alex Alvarado , Chigo Okonkwo , Benn C. Thomsen

The broad energy response, low electronic read noise, and good energy resolution have made X-ray Charge-Coupled Devices (CCDs) an obvious choice for developing soft X-ray astronomical instruments over the last half century. They also come…

Energy-Based Models (EBMs) have been widely used for generative modeling. Contrastive Divergence (CD), a prevailing training objective for EBMs, requires sampling from the EBM with Markov Chain Monte Carlo methods (MCMCs), which leads to an…

Machine Learning · Computer Science 2023-07-06 Weijian Luo , Hao Jiang , Tianyang Hu , Jiacheng Sun , Zhenguo Li , Zhihua Zhang

Magnetic Circular Dichroism (MCD) is a standard technique for the study of magnetic properties of materials in synchrotron beamlines. We present here a new scattering geometry in the Transmission Electron Microscope through which MCD can be…

Multiple-Amplifier Sensing (MAS) charge-coupled devices (CCDs) have recently been shown to be promising silicon detectors that meet noise sensitivity requirements for next generation Stage-5 spectroscopic surveys and potentially, future…

Instrumentation and Methods for Astrophysics · Physics 2025-04-30 Kenneth W. Lin , Abby Bault , Armin Karcher , Julien Guy , Stephen E. Holland , William F. Kolbe , Peter E. Nugent

The dual-functional radar-communication (DFRC) system is an attractive technique, since it can support both wireless communications and radar by a unified hardware platform with real-time cooperation. Considering the appealing feature of…

Signal Processing · Electrical Eng. & Systems 2021-12-21 Yu Cao , QiYue Yu

Massive machine type communication (mMTC) is one of the basic components of the future fifth generation (5G) wireless communication system. In mMTC, the information processing at the sensor nodes is required to be simple, low power…

Signal Processing · Electrical Eng. & Systems 2018-10-01 Mehmood Alam , Qi Zhang

The Transition Edge Sensor is extremely sensitive to the change of temperature, combined with the high-Z metal of a certain thickness, it can realize the high energy resolution measurement of particles such as X-rays. X-rays with energies…

On the base of Diffusion Monte-Carlo method it is developed a new Complex Diffusion Monte-Carlo (CDMC) method allowing to simulate the quantum systems with complex wave function. There are no approximations on the calculation of modulus and…

Condensed Matter · Physics 2007-05-23 B. Abdullaev , M. Musakhanov , A. Nakamura

A hard x-ray, high-speed, high dynamic range scientific x-ray imager is described. The imager is based on the mixed-mode pixel array detector (MM-PAD) readout chip coupled to a 750 micron thick cadmium telluride (CdTe) sensor. The full…

Instrumentation and Detectors · Physics 2020-08-26 Hugh T. Philipp , Mark W. Tate , Katherine S. Shanks , Prafull Purohit , Sol M. Gruner

Spatial resolution of less than 200 um is challenging for thermal neutron detection. A novel readout scheme based on the time-projection-chamber (TPC) concept is used in a gaseous electron multiplier (GEM) detector. Thermal neutrons are…

Instrumentation and Detectors · Physics 2016-06-22 Bernhard Flierl , Otmar Biebel , Ralf Hertenberger , Karl Zeitelhack

Mode-division multiplexing (MDM) is becoming an enabling technique for large-capacity data communications via encoding the information on orthogonal guiding modes. However, the on-chip routing of a multimode waveguide occupies too large…

A super module assembled with MRPC detectors is a component of TOF (Time of Flight) system for the Compressed Baryonic Matter (CBM) experiment. Before the super modules are applied to CBM-TOF, their quality needs to be evaluated. The…

Instrumentation and Detectors · Physics 2023-11-09 Wei Jiang , Xiru Huang , Ping Cao , Chao Li , Junru Wang , Jiawen Li , Jianhui Yuan , Qi An

Charge Coupled Devices (CCDs) have been successfully used in several high energy physics experiments over the past two decades. Their high spatial resolution and thin sensitive layers make them an excellent tool for studying short-lived…

Instrumentation and Detectors · Physics 2008-11-26 Andre Sopczak

In this paper, channel optimized distributed multiple description vector quantization (CDMD) schemes are presented for distributed source coding in symmetric and asymmetric settings. The CDMD encoder is designed using a deterministic…

Information Theory · Computer Science 2015-05-20 Mehrdad Valipour , Farshad Lahouti

In this paper, the sum rate of a multi-code CDMA system with asymmetric-power users is maximized, given a processing gain and a power profile of users. Unlike the sum-rate maximization for a single-code CDMA system, the optimization…

Information Theory · Computer Science 2012-11-29 Yeo Hun Yun , Joon Ho Cho

A multiscale numerical solver called the seamless-domain method (SDM) is used in linear heat conduction analysis of nonperiodic simulated fields. The practical feasibility of the SDM has been verified for use with periodic fields but has…

Numerical Analysis · Mathematics 2019-12-18 Yoshiro Suzuki

Diffusion distillation is central to accelerating image and video generation, yet existing methods are fundamentally limited by the denoising process, where step reduction has largely saturated. Partial timestep low-resolution generation…

Computer Vision and Pattern Recognition · Computer Science 2026-03-09 Feiyang Chen , Hongpeng Pan , Haonan Xu , Xinyu Duan , Yang Yang , Zhefeng Wang