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2018 IEEE/MTT-S International Microwave Symposium - IMS, ISSN 0149-645X, 06/2018, Volume 2018-, pp. 499 - 502
Conference Proceeding
2016 IEEE MTT-S International Microwave Symposium (IMS), ISSN 0149-645X, 05/2016, Volume 2016-, pp. 1 - 4
An FPGA-based all-digital transmitter with 28-GHz ΔΣ-modulation is presented. For improving the operation frequency of ΔΣ modulator (DSM), a multi-channel... 
Wireless LAN | Frequency modulation | Time-Interleaved Delta-Sigma Modulator (TI-DSM) | Radio transmitters | RF signals | All-Digital Transmitter | Field-Programmable Gate Array (FPGA) | WLAN | Field programmable gate arrays | Signal to noise ratio | Band spectra | Transmitters | Wireless networks | Modulation | Spectra | Local area networks | Microwaves | Modulators
Conference Proceeding
Publications of the Astronomical Society of Japan, ISSN 0004-6264, 1/2007, Volume 59, Issue sp1, pp. S23 - S33
The XIS is an X-ray Imaging Spectrometer system, consisting of state-of-the-art charge-coupled devices (CCDs) optimized for X-ray detection, camera bodies, and... 
Space vehicles: instruments | Instrumentation: detectors | Methods: data analysis | X-ray ccds | ONBOARD ASTRO-E2 | CAMERAS | CCD | PERFORMANCE | ASTRONOMY & ASTROPHYSICS | space vehicles : instruments | methods : data analysis | instrumentation : detectors | GROUND CALIBRATION | X-ray CCDs | CHARGE INJECTION
Journal Article
Publications of the Astronomical Society of Japan, ISSN 0004-6264, 1/2007, Volume 59, Issue sp1, pp. S113 - S132
Journal Article
Publications of the Astronomical Society of Japan, ISSN 0004-6264, 4/2010, Volume 62, Issue 2, pp. 371 - 389
We present X-ray observations of the northern outskirts of the relaxed galaxy cluster A 1413 with Suzaku, whose XIS instrument has the low intrinsic background... 
Galaxies: clusters: individual (Abell 1413) | X-rays: galaxies: clusters | X-rays: ICM | RELAXED GALAXY CLUSTERS | BACKGROUND SPECTRUM | SURFACE BRIGHTNESS PROFILES | GAS-DENSITY | POWER SPECTRUM | EVOLUTION | COSMOLOGICAL PARAMETERS | galaxies: clusters: individual (Abell 1413) | ASTRONOMY & ASTROPHYSICS | CHANDRA | NEARBY CLUSTERS | XMM-NEWTON
Journal Article
2016 IEEE MTT-S International Microwave Symposium (IMS), ISSN 0149-645X, 05/2016, Volume 2016-, pp. 1 - 4
A digital radio-over-fiber (DRoF) downlink system using envelope delta-sigma modulation (EDSM) for multimode/band applications is presented. Analyses and... 
Timing jitter | Frequency modulation | Radio over Fiber | Digital RoF and digital transmitter | IEEE 802.11g Standard | Switches | Delta-sigma modulation | Signal to noise ratio | Envelopes | CMOS | Mobile communication systems | Modulation | Digital | Optical components | Tolerances | Microwaves
Conference Proceeding
Publications of the Astronomical Society of Japan, ISSN 0004-6264, 08/2014, Volume 66, Issue 4, p. 71
Journal Article
10/2018
PROBLEM TO BE SOLVED: To provide a receiving circuit, a receiving device, and a receiving method capable of receiving a high quality RF signal.SOLUTION: A... 
TRANSMISSION | ELECTRIC COMMUNICATION TECHNIQUE | TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION | ELECTRICITY
Patent
2017 IEEE MTT-S International Microwave Symposium (IMS), 06/2017, pp. 594 - 597
A 950 MHz direct RF sampling bit streamer receiver architecture based on a Field Programmable Gate Array (FPGA) is presented. In proposed architecture, an RF... 
Radio frequency | ADC | Power demand | 5G mobile communication | bit streamer | RF signals | Receivers | Bandwidth | direct RF sampling | Pulse width modulation | Field programmable gate arrays
Conference Proceeding
06/2017
According to one embodiment of the present invention, a reception circuit (1) is provided with: an envelope signal generation unit (11) for outputting an... 
TRANSMISSION | ELECTRIC COMMUNICATION TECHNIQUE | ELECTRICITY
Patent
Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, ISSN 0021-4922, 02/2007, Volume 46, Issue 2, pp. 873 - 879
Journal Article
09/2016
According to an embodiment, a reception circuit (11) comprises: a detector (111) that detects the amplitude of a high frequency signal (SIN) received by radio,... 
TRANSMISSION | ELECTRIC COMMUNICATION TECHNIQUE | ELECTRICITY
Patent
Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, 06/2004, Volume 525, Issue 1-2, pp. 122 - 125
Journal Article
Proceedings of SPIE, ISSN 0277-786X, 06/2004, Volume SPIE-5501, pp. 56 - 65
We report on a new photon-counting detector possessing unprecedented spatial resolution, moderate spectral resolution and high background-rejection capability... 
Journal Article
Proceedings of SPIE, ISSN 0277-786X, 06/2004, Volume SPIE-5501, pp. 56 - 65
We report on a new photon-counting detector possessing unprecedented spatial resolution, moderate spectral resolution and high background-rejection capability... 
Journal Article
Nuclear Inst. and Methods in Physics Research, A, ISSN 0168-9002, 2004, Volume 525, Issue 1, pp. 122 - 125
We report on a new photon-counting detector possessing unprecedented spatial resolution, moderate spectral resolution and high background-rejection capability... 
Charge-coupled device | Scintillator | X-ray event | Hard X-ray imaging | hard X-ray imaging | charge-coupled device | INSTRUMENTS & INSTRUMENTATION | SPECTROSCOPY | NUCLEAR SCIENCE & TECHNOLOGY | scintillator | DETECTOR | PHYSICS, PARTICLES & FIELDS
Journal Article
Nuclear Inst. and Methods in Physics Research, A, ISSN 0168-9002, 2007, Volume 573, Issue 1, pp. 119 - 121
We report on a new photon-counting detector for X-rays in the 0.1–100 keV energy range. The new detectors are X-ray charge-coupled devices (CCD) on which a... 
Charge-coupled device | Scintillator | X-ray | Simulation | Astronomy | charge-coupled device | INSTRUMENTS & INSTRUMENTATION | SPECTROSCOPY | NUCLEAR SCIENCE & TECHNOLOGY | simulation | scintillator | X-ray astronomy | PHYSICS, PARTICLES & FIELDS | Monte Carlo method
Journal Article
08/2015
A transmission device (1) in one embodiment contains the following: pulse-signal generators (102, 103) that convert a carrier wave (CW1) and another carrier... 
TRANSMISSION | AMPLIFIERS | ELECTRIC COMMUNICATION TECHNIQUE | TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION | ELECTRICITY | BASIC ELECTRONIC CIRCUITRY
Patent
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