MétaCan
Menu
Back to cohort
Record W4366502794 · doi:10.23919/emsci.2022.0013

Pulse Generation and Compression Techniques for Microwave Electronics and Ultrafast Systems

2023· article· en· W4366502794 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueElectromagnetic Science · 2023
Typearticle
Languageen
FieldEngineering
TopicUltra-Wideband Communications Technology
Canadian institutionsPolytechnique Montréal
Fundersnot available
KeywordsUltrashort pulsePulse compressionElectronic engineeringComputer scienceRadarOscilloscopeElectronicsElectrical engineeringTelecommunicationsEngineeringOpticsPhysicsLaser

Abstract

fetched live from OpenAlex

Ultrabroadband systems and ultrafast electronics require the generation, transmission, and processing of high-quality ultrashort pulses ranging from nanoseconds (ns) to picoseconds (ps), which include well-established and emerging applications of time-domain reflectometry, arbitrary waveform generation, sampling oscilloscopes, frequency synthesis, through-wall radar imaging, indoor communication, radar surveillance, and medical radar detection. Impulse radar advancements in industrial, scientific, and medical (ISM) domains are, for example, driven by ns-scale-defined ultrawideband (UWB) technologies. Nevertheless, the generation of ultrashort ps-scale pulses is highly desired to achieve unprecedented performances in all these applications and future systems. However, due to the variety and applicability of different pulse generation and compression techniques, the selection of optimum or appropriate pulse generators and compressors is difficult for practitioners and users. To this end, this article aims to provide a comprehensive overview of ultrashort ns and ps pulse generation and compression techniques. The proposed and developed pulse generators available in the literature and on the market, which are characterized by their corresponding pros and cons, are also explored. The theoretical analysis of pulse generation using a nonlinear transmission line (NLTL) presented in the literature is briefly explained as well. Additionally, a holistic overview of these pulse generators from the perspective of applications is given to describe their utilization in practical systems. All of these techniques are well summarized and compared in terms of fundamental pulse parameters, and research gaps in specified areas are highlighted. A thorough discussion of previous research work on various topologies and techniques is presented, and potential future directions for technical advancement are examined.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.237
Threshold uncertainty score0.383

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.001
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0000.000
Research integrity0.0000.000
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.012
GPT teacher head0.235
Teacher spread0.224 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it