diff --git a/analyse.tex b/analyse.tex index f738318..66e76c7 100644 --- a/analyse.tex +++ b/analyse.tex @@ -1,6 +1,9 @@ \documentclass[a4paper]{article} \usepackage{color,graphicx,fullpage} \begin{document} + +\section{Traitement des signaux \'echang\'es} + \noindent \begin{minipage}[t]{\linewidth} \begin{minipage}{.37\linewidth} @@ -25,4 +28,18 @@ $t_1+\delta t-t_2=T_1+\delta t-T_3$ s'annule LoRa a une port\'ee de 15~km ou 50~$\mu$s de temps de vol. Avec 125~kHz de bande passante on peut esp\'erer avoir le temps de vol \`a la microseconde en sur-\'echantillonnant le pic de corr\'elation donc compenser le temps de vol au-del\`a de 300~m de distance. + +\section{Architecture du syst\`eme} + +\begin{center} +\includegraphics[width=.8\linewidth]{architecture} +\end{center} + +Il reste \`a +\begin{enumerate} +\item g\'en\'erer le signal qui cadencera le Si5351 \`a partir du 10~MHz de r\'ef\'erence +\item remplacer le compteur d'Enrico par un g\'en\'erateur de 1-PPS +\item asservir la PLL du Si5351 d'EP apr\`es mesure de l'\'ecart entre 1-PPS GW et 1-PPS +EP lors de l'\'echange LoRa +\end{enumerate} \end{document} diff --git a/architecture.fig b/architecture.fig index 0cc88a6..4761606 100644 --- a/architecture.fig +++ b/architecture.fig @@ -145,6 +145,6 @@ Single 4 0 0 50 -1 0 8 0.0000 4 90 195 13410 6075 SPI\001 4 0 4 50 -1 0 8 0.0000 4 90 1155 10125 5940 control Si5351 PLL\001 4 0 4 50 -1 0 12 0.0000 4 135 525 11340 6795 refPPS\001 -4 0 4 50 -1 0 12 0.0000 4 135 420 8910 7605 ref10\001 4 0 0 50 -1 0 12 0.0000 4 135 660 8820 6930 25 MHz\001 4 0 0 50 -1 0 8 0.0000 4 90 270 10395 6930 out0\001 +4 0 4 50 -1 0 12 0.0000 4 135 870 8775 7605 ref10 MHz\001 diff --git a/architecture.pdf b/architecture.pdf index 8d23f361d1af17b96fb7174470fcbf4b7bb0d01b..c707fade1a9eb5525e9afcfb7195efb790d96b45 100644 GIT binary patch delta 2957 zcmaiuX*d)L8-@)<7zriI$TlWhn#F9AWyVZIwk$IS5i=%RS%;))?0dFIh3qs5gNlQ~ zv1G}Xk~M@-l>I1t=R4oO(~s}{^FG)8-q&-zvsTMi$+gV7$-Ct;tv>l&sn592(i-m5 zUER2AUDe>gh2>C^S>TkZ2MF9h^W=$<_#3UZ)}{Sxsklq2`%9}6w{{lw4(`)G7lx$| zt?xBUEJSRi4O_l+Dv?B>;`9)vLDXWt)L0z*&8S?V1+_i?GsL4XxxVv|VnRDGt00RB zYTEO>sm&ybXqsGl^|^M=e;s*^;ymMOd2F<;p*Z?sioF;sCm9((4ajN@#??(CMTVWlLIQmVXUoOl-;UY86u9@H}znWJfS7ZMCuF8?q)x^x# z&r*ri<{j#0UhNN_Sg4a^*+gL3N0=pswv)NuNF1pkeMj*C1-T2ur$X z(92{kD9!aEKLwxgX~6ycJ>T~zgC7IkU*+~!kxcn(^u+H_Kn>=*R7$9Xn; zMb58Y!kdde3*g9G$h`yBOdA?y>j#$!wB6}wA?H0ckLGdy793E?uD~gCA@n`+02dzh z-8s}33gP-Sx(nJD2bNcHQ#_Q+uX+%>m-XQ+X;uHJV=`C5v zln}0`{OPWOK~b)b-5f!EQaL%p!9X9WErGky&!X0OZ6^CT#=CwcXEbgr>_R!r9xL0I zWLll%BZjz4QsQ`JxRqb)h7Jr}drY+;yfnc=Ag@KWg)cDUgf&kVNj?H-7;zF8DFsf~ zIUCVss3sn1e(m^_{_Bgg%3T(GV=q56YnZb^8;G+n^7KXGDPWx`|FI+07!dvFk; zQnzA7av71k$puufVoQz8WTTmWoVR18tllvT9uddR>2&VGn!YGXr2DJ|PqcwP9?>7A zC>zQfN6wRiHd7<(ags?=BRPyr_O5D#t&t7c{|XD=&3YU*r{X&TpTpLG-1B`wc5>%O zU;5F>H8hA1o&2jET1l0$>Uf_yt!EQDegpq4QqU7vdmqCA9kFCEod!fU!>^3p*Jm4B z9e}z*r22ga`&R|*kdwiP)5{Gox-~lQZ;Wiehl9{zDJf%BSs%+caBjx0P-e{Dv&6ae1 zR)VP!IKXBri^2@JTKX)hi}Mv7zCM{hQDyoJNzXY9Drq6#ql7qSs2bC#N~Ih=N)soV zqet_vpp6jK#PHpowrz=tM}1;;IGAS9PlQr7ngSWs*sIWBrh0M0&c`%fJ#lB6R>I+M3AE^}RadX2 zSma;#OWlDEU9EP^NlL-bD#^Pj{&Vr~Vdln$#k&coXVay;oYeXgkLsVh=f*uQ#lS%D z$u&>oEk(<^=Huv&T-*E|=_pq=qSyps~{$CXHZ6& z%pB#WtBeLM^gDiTx8)nP(zxt0XgSM?dT*Y$!sj0I(D&i=e2kiByf4*v(r&A#wpY18 zaggJ=kk98^w1g0jK0>0uK4<&Y6Xd09ctXYChj876Bysd#pR-I7IkBq!R&|#cb8Te zD>4{beOl<4Qw~8+qF&))c~Pt*@2aG2WrXpSxvAa*XA*lU-Q}QBwQuw^ZLbw=$cu%#XC}rdE#Z&Af`Z#M8>br&-pxP*%$nNcLvkf8gDu+He1|?mq>2PQ_M@~8wL9|G* z+wVWP@y<6A>J>}yh0G5?xxPd8C0vUUyPlUdRyQ<+U@Mn14X&wHz@!6)vzm{mHhl!Q zW8m|?s8Y7EdYQ42{W-8(o>sGovmn*1WpKQq_ET3;3c&u3SR>;TKlA{0TPVo#Hi>O^ z-N4gHs2~Y4rA*8%_R;=Agx$m@8tc?vbrW(C8~&3}^zB)FH`A0^q>lyAXp~r&3C3=v+`fTBonP%wKsquX=UW>tS zgHJDH+tokvyYiMrWGm9Om`y_)Rp3bVpBwA(>f+iC23EP&z1-`cW6Ha|W>QoWU^;>a z-}mSCGq+!vt}->6_O~XaE%B*(S~RVERpa`i{1z)|<-(!@{Z-p=;Vg@r36 z?7L|nZ-|EC_PIOpS`MMr_gsZ|i%p-`8Rl=_mA!pycV{OI%nYzj9S^V99>2Y{H8T+z zn69g>t!gH8p&Qe72cp;6)7%+kBqC=!l=x1XD?>feYo`?u-7|n*6m|Q!{6|Ty?3I;V zBSAFpgZ$9JLU7N*nqRJ;fE( z+oYLRApinkt9t})NF73J!Lez2O6dQE5T$kq#^ov!i`B%OLAk&XXJ9ZI`V92%IYXnl zxL{B;Dh;D~_4L`aaV1D~BIFH#2mN;eSy}d<9in_g2Mv?^uMd^;mJ|3Vz@Tsx;$I93 z$HL&hF*F96rlJC|L_z<3LO@Z--xv~&`i(&mzcVZXotCE}b^`lv8-v9n(%z_OI}%VB zB3ctp&_tq#clcKR@_Js&znUF0+jL9~QB{R0N#1JJ!_9a_0WG72mN`=YT zw_+mMOSUAWn^bT2-fy=L@A+`f^ZTFYoZqu%yJ(y8h<1PGPK^RJ9~@Ou)t)G$$&#Hc z)YF(u5MX`_Q(&i0H@^zFE`7n-4%w^dSQg?iefq3T`I(o*A5ZgyPs=SUh$rRSrUZmN zJ1xDKpAy+{0U))GaAz5dl3Dx@26psd)?}n3Fcwic5R&@VBk8b>RPM#t(VU}!h;8Ql znq_Hs3{66xIkscw;$(p)rZq_@TPX9;2?IW1Ei%1G(Pe(e#=ivZj~79bt;@%{uO4*w zJnYBkkVNY#5o1^CHkrmpDdFiu(i+FPYIxPJ2eWr1-u$&Oa!p#S%fu&*FPfzUsM2B7 zjbP+zo0)`C(v116R@aFTU&gJ{Zpc>|aV16xtz5#{P;yH?3}A4`^Lx&9D$FN{e_hoJ zaVU6TYm8J~A=`EROTBjn@=XrRscl(o@Ds^ZqFe5s{~IR5%q9dVBT3+rboYqgQsq;U zV=}Vwqy&LP7cIKEw1cnH(lwD=>72vZV+@#F$WW&^Zz5`=eT_@Pen@RTLw>Q`aO?;z z#KmUDnY-}3Xt&z$^dTG+{9%Qs=87-rWb5O1!0tRVTFaqu=-NBM3}oEFz9Xoa6(Lwz z;yiB@N*)9h<1rZ2114vT$z)_#S_y=x=S%bff-xfO!t)28?5W0bLBt0>RJuxH|V-VX&vaqeZLXE$`j=KZT5_VMV%;z4p1jw(7C`L%sK<|_G);;jeU z@9Ldtin@efdZhkDBzF9+=cLhLTV~AB0|(_CvZm~XWj;K@vkE;Y!!;Sg$NFjJ!8h_e zv+_DZFOAMm^ayI>k!bTzSC>j94LpNHGNGnNZ5@pMY9DG~c!R{%VpBNdHx0_IVq#x@ zxM3yZ)x{7|OhdY?xfC#&%=?D= zu6S4vs%Fcr+){0I9?Z1np4#3Bup{2sRP9ww+)$&Eu_Cs0r;LQ0N>9aQ;m+D7;|`UW z0Iv#ZB(evN|L(KWyiL_Hs}p;$BR!ROfPUpqsnJPvNpX`bZv9munz|Mva?=M0CkMx` z7U4oIxi47A?h*8>SlW~&j{-Dr&FaaRtYAIkBNL3F4E-trnT9vp33;V6-8u@FS@g0? 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