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Modélisation de la dynamique du canal de propagation Terre ...

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(7∃7∋(/∂∃57∋(6&∃5∃&7(5,67,48(6∋∋ΥΞΙΞΦ∆≅∆ΘΓ>%ΡΛΩΚΛ∆ς%∆ΩΩΗςΩΛ≅ ϑ( Ι )<br />

<br />

ϑ<br />

<br />

Ι<br />

= <br />

−<br />

<br />

+<br />

Ι<br />

<br />

<br />

( Ι ) ≈ Ι<br />

ΛςϑΛΨΗΘΕ∴<br />

)Λ[ΗΓ(ΙΙΗΦΩΛΨΗ5∆ΛΘΠΡΓΗΟ<br />

7ΚΛςΠΡΓΗΟϑΛΨΗς∆ΙΡΥΠΞΟ∆ΙΡΥ ϑ( Ι ) ΩΚ∆ΩΓΗΣΗΘΓςΡΘΩΚΗΗΙΙΗΦΩΛΨΗΥ∆ΛΘΥ∆ΩΗΛΘΩΗΘςΛΩ∴5ΙΛ[ΗΓ<br />

ΗΤΞ∆ΟΩΡΠΠΚ>&267≅<br />

<br />

α<br />

ϑ ( Ι ) = Ν5 <br />

<br />

ΖΚΗΥΗΝ∆ΘΓα∆ΥΗΩΚΗΩΖΡΣ∆Υ∆ΠΗΩΗΥςΩΚ∆ΩΥΗΟ∆ΩΗΥ∆ΛΘΛΘΩΗΘςΛΩ∴ΩΡςΣΗΦΛΙΛΦ∆ΩΩΗΘΞ∆ΩΛΡΘΓΞΗΩΡ<br />

Υ∆ΛΘ,ΩΛςΣΡςςΛΕΟΗΩΡΦ∆ΟΦΞΟ∆ΩΗΝ∆ΘΓαΙΡΥΙ∗+]ΞςΛΘϑΩΚΗ5ΗΦ,7853<br />

<br />

9∆ΥΛ∆ΕΟΗ(ΙΙΗΦΩΛΨΗ5∆ΛΘΠΡΓΗΟ<br />

7ΚΗΗ[ΣΥΗςςΛΡΘΙΡΥ ϑ( Ι ) ΛςΩΚΗς∆ΠΗ∆ςΙΡΥΩΚΗ)Λ[ΗΓ(ΙΙΗΦΩΛΨΗ5∆ΛΘΠΡΓΗΟΕΞΩΖΛΩΚ∆Ψ∆ΥΛ∆ΕΟΗ<br />

Υ∆ΛΘΥ∆ΩΗΛΘΩΗΘςΛΩ∴5>&267≅<br />

<br />

<br />

<br />

♣ ∃ • ♣<br />

<br />

∃ •<br />

<br />

5 = ♦<br />

÷<br />

≈ <br />

<br />

♦ <br />

η<br />

Ν<br />

Ν<br />

<br />

<br />

÷ ♥ ≠ ♥ ≠<br />

<br />

ΖΛΩΚη<br />

=<br />

≈ <br />

−<br />

( α<br />

−α<br />

)<br />

<br />

5ΗΦ,7853∆ΟςΡΦΡΘςΛΓΗΥς∆ΓΗΣΗΘΓΗΘΦ∴ΡΙΩΚΗΟΡΘϑΩΗΥΠΙΥΗΤΞΗΘΦ∴ςΦ∆ΟΛΘϑΥ∆ΩΛΡΖΛΩΚ<br />

ΩΚΗΦΡΘςΛΓΗΥΗΓ∆ΩΩΗΘΞ∆ΩΛΡΘΟΗΨΗΟ)ΡΥ ∗+] < Ι < ∗+] <br />

<br />

ΖΚΗΥΗ<br />

∆ΘΓ<br />

<br />

( φ φ<br />

∃ )<br />

−+<br />

<br />

♠φ<br />

≡<br />

<br />

Υ Ις<br />

= <br />

φ<br />

↔<br />

φ<br />

≈<br />

← …<br />

Ι<br />

+<br />

<br />

( Ι ) =<br />

<br />

<br />

−♣φ<br />

•<br />

<br />

+ = <br />

♦ φ<br />

φ<br />

÷<br />

<br />

♥<br />

≠<br />

<br />

−<br />

Ι<br />

<br />

( ∃ ) <br />

6ΚΡΥΩΩΗΥΠΙΥΗΤΞΗΘΦ∴ςΦ∆ΟΛΘϑ<br />

<br />

7ΚΗ,)65Φ∆ΘΗ[ΚΛΕΛΩςΩΥΡΘϑΨ∆ΥΛ∆ΩΛΡΘςΓΞΥΛΘϑ∆ΘΗΨΗΘΩΗςΣΗΦΛ∆ΟΟ∴ΙΡΥΦΡΘΨΗΦΩΛΨΗΥ∆ΛΘ:ΚΗΘ<br />

ΟΡΡΝΛΘϑΛΘΩΡΣΥΡΣ∆ϑ∆ΩΛΡΘΓ∆Ω∆ΣΟΡΩςΡΙΩΚΗ∆ΩΩΗΘΞ∆ΩΛΡΘ∆Ω∆ϑΛΨΗΘΙΥΗΤΞΗΘΦ∴ΖΛΩΚΥΗςΣΗΦΩΩΡΩΚΗ<br />

∆ΩΩΗΘΞ∆ΩΛΡΘ ∆Ω ∆ΘΡΩΚΗΥ ΙΥΗΤΞΗΘΦ∴ ΛΘςΛΓΗ ΩΚΗ ς∆ΠΗ Υ∆ΛΘ ∆ΩΩΗΘΞ∆ΩΛΡΘ ΗΨΗΘΩ ΣΥΗςΗΘΩ ∆ Ω∴ΣΛΦ∆Ο<br />

Κ∴ςΩΗΥΗςΛς ΕΗΚ∆ΨΛΡΞΥ >6ΖΗΗΘΗ∴ ∆ΘΓ %ΡςΩΛ∆Θ ≅ >&267 ≅ ΩΚΗ ,)65 ΓΗΦΥΗ∆ςΗς

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