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Development of High-performance Proton Transfer Reaction Time-of-Flight Mass Spectrometer
Published 2025-01-01“…The system is mainly composed of hollow cathode discharge ion source, proton transfer reaction tube, high efficiency ion transport region and high-performance time-of-flight mass analyzer. To reduce ion loss during transmission, improve system performance and ensure the stability of vacuum at all levels, the system adopts a four-stages of differential vacuum design, with the first stage being the proton transfer reaction tube, the second stage being the radio frequency quadrupole ion transport region, the third stage being the direct current quadrupole ion transport region, and the fourth stage being the time-of-flight mass analyzer. …”
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102
Empirical Based Ranging Error Mitigation in IR-UWB: A Fuzzy Approach
Published 2019-01-01“…Indoor tracking and navigation (ITN) mainly depend on indoor localization. An impulse radio ultra-wideband (IR-UWB) is the most advanced technology for precision indoor localization. …”
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103
LoSI: Large Scale Location Inference Through FM Signal Integration and Estimation
Published 2019-12-01“…Our Location inference through Frequency Modulation (FM) Signal Integration and estimation (LoSI) system is based on broadcast FM radio signals and uses Received Signal Strength Indicator (RSSI) obtained using a Software Defined Radio (SDR). …”
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The Timing and Spectral Properties of the 2022 Outburst of SGR J1935+2154 Observed with NICER
Published 2025-01-01“…At the tail of a high burst rate interval, lasting several hours, radio bursts were detected, revealing the connection between the X-ray activities and radio emissions. …”
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Recent Developments on Hybrid Time-Frequency Numerical Simulation Techniques for RF and Microwave Applications
Published 2013-01-01“…Because of the modulated nature of radio frequency (RF) signals, the corresponding electronic circuits seem to operate in a slow time scale for the aperiodic information and another, much faster, time scale for the periodic carrier. …”
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Information Technology Framework for Pharmaceutical Supply Chain Demand Management: a Brazilian Case Study
Published 2016-01-01“…One element responsible for logistics operations, formed by fourth and fifth pieces: a tool to streamline the logistics flow, and to obtain prompt inven tory data, provided by a RFID (Radio Frequency Identification) solution; and another to provide information about production and logistics lead times, applied to demand forecasts elaboration and to streamline the order fulfillmentprocess, based on OEE (Ov erall Equipment Effectiveness) solution. …”
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Machine learning-based spectrum occupancy prediction: a comprehensive survey
Published 2025-01-01“…In cognitive radio (CR) systems, efficient spectrum utilization depends on the ability to predict spectrum opportunities. …”
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108
Addressing Rare Outages in C-V2X With Time-Controlled One-Shot Resource Scheduling
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109
Power and data simultaneous transmission using double-clad fibers towards 6G
Published 2025-02-01“…The deployed FiWi (fiber/wireless) system makes use of the DCF core and first cladding for simultaneously and optically transmitting data and power using the same fiber-optics link. For the first time, we demonstrate the simultaneous transmission of a broadband 26-GHz 5G New Radio (NR) signal in conjunction with 20 W of optical power through a 250-m DCF link. …”
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Quadratic Forms in Random Matrices with Applications in Spectrum Sensing
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112
ALMA Observations of Solar Spicules in a Polar Coronal Hole
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113
Trends and Variability of PM2.5 at Different Time Scales over Delhi: Long-term Analysis 2007–2021
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114
Effect of different drying methods on the taste and volatile compounds, sensory characteristics of Takifugu obscurus
Published 2023-01-01“…The study investigated the effect of hot air drying (HAD), microwave vacuum drying (MVD) and hot air assisted radio frequency drying (HARFD) on the taste and volatile profiles of Takifugu obscurus. …”
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Enhancing RF Fingerprint Generation in Power Amplifiers: Unequally Spaced Multitone Design Approaches and Considerations
Published 2024-01-01“…In addition to conventional software-level data encryption, physical-layer security techniques, such as device-specific radio frequency fingerprints (RFFs), are emerging as promising solutions. …”
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Prediction of Inadequate Bowel Preparation Using Total and Segmental Colon Transit Time in Patients with Chronic Constipation: Some Different Outcomes
Published 2019-01-01“…Aims. Radio-opaque markers have been widely used in the study of colon motility in patients with chronic functional constipation (FC). …”
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Service Time-Based Region Division in OVSF-Based Wireless Networks with Adaptive LTE-M Network for Machine to Machine Communications
Published 2019-01-01“…The IoT devices when assigned large resources will reduce the radio efficiency. The work in this paper assigns OVSF codes available on 3G interface to the IoT devices. …”
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