BPS FH ATBD - Algorithms Theoretical Baseline Document#
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This page is the web-rendered version of BIO-BPS-FH-ATBD-ARE-10343 issue 2.2.0 dated 13 March 2026.
Document information
Field |
Value |
|---|---|
Title |
BPS FH ATBD - Algorithms Theoretical Baseline Document |
External reference |
|
Issue |
2.2.0 |
Date |
13 March 2026 |
Pages |
45 (authoritative PDF) |
Recipients
Name |
Organisation |
|---|---|
Cristiano Lopes |
ESA – ESRIN |
Michele Caccia |
ESA – ESRIN |
Muriel Pinheiro |
ESA - ESRIN |
Prepared by
Name |
Organisation |
|---|---|
Francesco Banda |
Aresys |
Kostas Papathanassiou |
DLR |
Paolo Mazzucchelli |
Aresys |
Riccardo Piantanida |
Aresys |
Laurent Ferro-Famil |
ISAE-SUPAERO, CESBIO |
Checked by
Name |
Organisation |
|---|---|
Davide D’Aria |
Aresys |
Approved by
Name |
Organisation |
|---|---|
Davide D’Aria |
Aresys |
Change history
Date |
Issue |
Change summary |
Author |
|---|---|---|---|
2022-06-09 |
2.0 |
First issue of the document. |
Francesco Banda Review: Kostas Papathanassiou |
2022-10-28 |
2.1 |
CDR2 issue of the document BPSPDR2-14: Processing Parameters clarified (sec. 4.1.4) BPSPDR2-18, BPSPDR2-27, BPSPDR2-28, BPSPDR2-30: ATBD revised according to guidelines BPSPDR2-23: RVOG Reflectivity profile clarified (sec. 3.4.2) BPSPDR2-24: editorials amended BPSPDR2-32: solved TBD/TBC in delivery pack BPSPDR2-54: uncertainty threshold clarified (sec. 3.4.4) BPSPDR2-72: Hectare amended BPSPDR2-74: Inputs and outputs dimensions clarified BPSPDR2-75: number clarified (sec. 4.1.4) BPSPDR2-78: Vertical reflectivity profiles clarified (sec. 3.4.2) BPSPDR2-83: documents review to enforce consistency BPSPDR2-84: Revision of re-use of backgeocoding results at L2 (sec. 3.2) BPSPDR2-86: Computation of spatial average window size clarified (sec. 3.3.4) BPSPDR2-87: Cross-pol terminology aligned BPSPDR2-88: Incidence angle clarified (sec. 3.3.4) BPSPDR2-89: FH quality index revised (sec. 4.1.4) |
Francesco Banda Review: Kostas Papathanassiou Paolo Mazzucchelli |
2022-03-13 |
2.1.1 |
Post CDR2 issue of the document: BPSCDR2-3: added docs acronyms in i/o tables BPSCDR2-4: added missing details for Forest Cov Check BPSCDR2-8: updated sec. 3.4.2 BPSCDR2-10: vertical datum/reference added sec. 3.6.4.1.1 BPSCDR2-13: updated sec. 2.3.1 BPSCDR2-14: note added sec. 3.3.2 BPSCDR2-16: note added sec. 3.4.4.3 BPSCDR2-18: sec. 3.5.2 rephrased to be crystal clear BPSCDR2-19: sec. 3.5.4.1.2 note added BPSCDR2-20: sec. 3.5.4.1.3 note added BPSCDR2-21: updated sec. 3.5.4.1.5 BPSCDR2-22: updated sec. 3.6.4.1.2 BPSCDR2-23: note added sec. 3.4.4 BPSCDR2-30: Heat Map added sec. 4.1.4 BPSCDR2-43: minimum coverage percentage added sec. 4.1.4 BPSCDR2-45: configuration added sec. 3.5.2 Wavenumber LUT dimension decoupled from height dimension: updated sec. 3.5.2 Feathering added at L2B: updated sec. 4 Formulas corrected: updated sec. 3.4.4 Ground to volume ratio configuration updated: updated sec. 3.5 |
Paolo Mazzucchelli Kostas Papathanassiou Francesco Banda Laurent Ferro-Famil |
2023-09-15 |
2.1.2 |
BPS-393 / BPS-392: added notes on FH inversion algorithm efficient implementation. |
Paolo Mazzucchelli |
2024-01-19 |
2.1.3 |
DeltaFAT2 version of the document: BPSCDR2-10: updated description of “real elevation” |
Paolo Mazzucchelli |
17/520/24 |
2.1.4 |
Post DeltaFAT2 version of the document: updated default values to avoid data masking modified relations 3.12, 3.13 updated eq. 3.2 added TBD/TBC table |
Paolo Mazzucchelli |
2024-09-06 |
2.1.5 |
FAT3 version of the document |
Paolo Mazzucchelli |
2024-12-13 |
2.1.6 |
Delta_FAT3 version of the document: updated sec. 3.4.5 renamed “decimationFactor” to “upsamplingFactor” |
Paolo Mazzucchelli |
2025-03-07 |
2.1.7 |
Post-FAT3 issue of the document Fixed Wavenumbers (3.4.2), IncidenceAngle and Terrain Slope (3.5.2) descriptions unit of measurement |
Paolo Mazzucchelli |
2025-04-30 |
2.1.8 |
BPS-FTO-BATCH4: Separated calibration screen table in skp and flattening (sec. 3.3.2); expanded description in how to use them (sec. 3.3.4) |
Paolo Mazzucchelli Emanuele Giorgi |
2026-03-13 |
2.2.0 |
Post-launch issue of the document (associated to BPS V4.4.0) 3.4.4.3. Coherence calibration: removed cos(incidence angle) term |
Paolo Mazzucchelli Emanuele Giorgi |


