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Principes fondamentaux de la propagation des ondes radioélectriques dans les milieux non ionisés

Resultats:39 documents
Contributions  [ Source: China ]   Documents / Contributions
 
Numéro 
Titre Source Date
[ 225 ]  
 
Ray-tracing-based simulation software applied in Document 3J/91 (Documents 3K/91, 3M/129)     China   2026-06-03
[ 224 ]  
 
Further research on the relationships among the Recommendations of the ITU-R P-series     China   2026-06-03
[ 223 ]  
 
Proposed modification to Recommendation ITU-R P.676-13 - Glossary and limitation of Zeeman splitting and Doppler broadening     China   2026-06-03
[ 222 ]  
 
Proposed modification of Recommendation ITU-R P.525-5 - Application of the free-space propagation calculation     China   2026-06-03
[ 221 ]  
 
A conditional diffusion network for atmospheric duct spatiotemporal data imputation     China   2026-06-03
[ 220 ]  
 
WAVEAD: a wavelet-enhanced graph deep learning method for evaporation duct time series prediction     China   2026-06-03
[ 219 ]  
 
Supporting information about refractivity in infrared band     China   2026-06-03
[ 218 ]  
 
Proposed draft [editorial] revision of Recommendation ITU-R P.840-9 - Attenuation due to clouds and fog     China   2026-06-03
[ 217 ]  
 
Discussion about figure 10 in Recommendation ITU-R P.527-6     China   2026-06-03
[ 216 ]  
 
Proposal for establishing a unified definition of free space and revising the definition of free space propagation in ITU R Recommendations     China   2026-06-03
[ 215 ]  
 
Proposed revisions to Recommendation ITU-R P.2170-0 - Methods and models for predicting lunar radio-wave propagation characteristics     China   2026-06-03
[ 214 ]  
 
Maps and databases of electromagnetic properties of media for radio propagation studies     China   2026-06-03
[ 213 ]  
 
Proposed preliminary draft new Question ITU-R XXX/3 - Digital twin-based radio-wave propagation experimental data required for radio services     China   2026-06-03
[ 135 ]  
 
Proposed supplement to Recommendation ITU-R P.1144-12 - The relationship between the ITU-R P-series recommendations     China   2025-05-13
[ 134 ]  
 
Working document towards a preliminary draft revision of Recommendation ITU-R P.2040-3 - Update proposal of calculation examples for plane wave transmission for a single-layer slab     China   2025-05-13
[ 133 ]  
 
Proposed supplement to Recommendation ITU-R P.834-9 - Minimum trapping frequency of evaporation duct     China   2025-05-13
[ 132 ]  
 
Proposed supplement to Recommendation ITU-R P.837-7 - Reconstruction of 1-min cumulated rainfall time series based on t-mins cumulated rainfall rate     China   2025-05-13
[ 131 ]  
 
Proposed supplement of draft modification to Recommendation ITU-R P.1621-2 - Propagation data required for the design of Earth-space systems operating between 20 THz and 375 THz     China   2025-05-13
[ 130 ]  
 
Proposed modification of Recommendation ITU-R P.525-5 - Application of the free-space attenuation calculation     China   2025-05-13
[ 129 ]  
 
Proposed integral of Recommendations ITU-R P.581-3 and ITU-R P.841-7 - The concept of "worst month" and its conversion from annual statistics     China   2025-05-13
[ 93 ]  
 
Evaluate the impact of antenna radiation pattern and slant path clutter loss model update proposals based on latest working document 3K/77     China   2025-01-24
[ 92 ]  
 
Performance comparison analysis of two slant path clutter loss models in working document 3K/77     China   2025-01-24
[ 91 ]  
 
Ray-tracing-based modified Recommendation ITU-R P.2108 clutter loss model for urban scenarios below 10 GHz     China   2025-01-24
[ 90 ]  
 
Working document towards a preliminary draft revision of Recommendation ITU-R P.2040-3 - Dielectric properties of building between 100 and 400 GHz     China   2025-01-23
[ 89 ]  
 
Information document about hybrid path loss of clutter loss and building entry loss     China   2025-01-23
[ 88 ]  
 
Proposed draft modification to Recommendation ITU-R P.1621-2 - Propagation data required for the design of Earth-space systems operating between 20 THz and 375 THz     China   2025-01-23
[ 87 ]  
 
Proposed modification to Recommendation ITU-R P.835-7 - Reference atmospheres     China   2025-01-23
[ 86 ]  
 
Proposed supplement of Recommendation ITU-R P.834-9 - Minimum trapping frequency of evaporation duct     China   2025-01-23
[ 85 ]  
 
Proposed modifications to Recommendation ITU-R P.310-10 - Definition of evaporation duct     China   2025-01-23
[ 84 ]  
 
Discussion about Figure 13 in Recommendation ITU-R P.527-6     China   2025-01-23
[ 83 ]  
 
Proposed modification to Recommendation ITU-R P.525-5 - Calculation of free-space attenuation     China   2025-01-23
[ 47 ]  
 
Discussion document on the machine learning model in the field of radio wave propagation     China   2024-05-16
[ 46 ]  
 
Discussion document on slant path diffraction model extention of Recommendation ITU-R P.526     China   2024-05-16
[ 45 ]  
 
Discussion document for Recommendation ITU-R P.530-18 - Atmospheric scintillation at 340 GHz     China   2024-05-16
[ 44 ]  
 
Discussion document about Recommendation ITU-R P.453-14     China   2024-05-16
[ 43 ]  
 
Supplement to Annex 24 to the Working Party 3J Chair's Report     China   2024-05-16
[ 42 ]  
 
Supporting document about the tropospheric delay mapping function     China   2024-05-16
[ 41 ]  
 
Proposed draft modification to Recommendation ITU-R P.1621-2 - Propagation data required for the design of Earth-space systems operating between 20 THz and 375 THz     China   2024-05-16
[ 40 ]  
 
Proposed modification to Recommendation ITU-R P.838-3 - Specific attenuation model for rain for use in prediction methods     China   2024-05-16
Resultats:39 documents
 
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Mis à jour le : 2026-8-10