edit zdrojaku kvuli warningum: 4h refactoring db: 1.75h

For the implementation in VHDL and the subsequent synthesis, we have used the Xilinx ISE 12.3 which comes with integrated ISim VHDL simulator. The use of simulator speeds up the development but at the expense of creating testbenches which can easily become non-trivial.

The designed circuit structure is of single-clock synchronous type which is suitable for implementation in VHDL using many parallel processes all driven by common clock edge of same polarity. Some of the processes also contain asynchronous reset which is needed for the initialization and re-initialization and is synthesizable. Generics are used wherever possible to make individual parts re-usable. Unfortunately, VHDL does not allow unconstrained aggregates in record type so some of the bus widths have to be hard-coded. We have at least used constant types in such cases.

= UART and Memory Controller

The important part of the entire system is the implementaion of UART along with a memory controller. All the memories have to instantiated at the top level so the controller is able to communicate with them. This unfortunately leads to enormous number of signals which are needed for the interconnection. For simplification, a set of multiplexers and demultiplexers have been implemented. This does not lower the number of signals (in fact, it adds some) but greatly simplifies the structure of the memory controller itself. A great simplification would be achieved by usage of record type but since VHDL does not allow unconstrained types in records, we are prevented from doing this. We are still looking for a way to solve this. Let me just stress this does not change the structure itself, we're only talking about the simplicity of expression in VHDL.

= Memories

Memory entities are the core of all our table-based computational cores. It's a single-clock synchronous circuit with the ability to pump and dump data by "out-of-band" channel. This is very important since it would be non-trivial to initialize memory contents.

= Simulation

As for the simulation, the testpench consists of instantiation of all circuit parts and their interconnection using appropriate signals. A set of functions is used to read and write the input and output to a text file, respectively. We have used the std.text.io library for this data-to-text interface.

When the simulation is run, a reset is performed for a fixed amount of time. Then, the input is fed into the circuit and the output is being recorded to be later compared to the results of Matlab simulations. The clock is being generated since the beginning of the simulation and keeps running until the very end to accurately simulated the real-world conditions of the circuit.

= Synthesis

The final design has been synthesized for the Xilinx Virtex 6 FPGA and downloaded to the device itself. An important part of the synthesis process is mapping the actual hardware ports to input and output signals. This turned out to be quite tricky as the official documentation describes the pin layout only partially. We had to resolve to trial-and-error method to get the pin layout (especially for the wide buses) right.

mbaaaaak 37792717 m1m1

R791WRX9RBKH7FKK 38500601

musi mit pripravu na dalsi laborku kazdy prevodnik bude realizovan jinym typem log.obvodu, v ramci jedne realizace je nesmi michat (treba NAND a NOR dohromady proste ne)

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  • Doktorand se v současnosti zabývá problematikou návrhu optimální procesorové architektury pro jednodimenzionální iterativní detekci, konkrétně detekci Turbokóku. Dále pak návrhem architektury pro iterativní sdruženou synchronizaci a detekci. V minulosti se zabýval problematikou vlivu přenosu signálu na subjektivní a objektivní kvalitu videa. Doktorand má splněnou obhajobu odborné studie i státní doktorskou zkoušku. V současné době zpracovává svou disertační práci s názvem "Návrh a optimalizace procesorové architektury pro pokročilé kódování přenosu".

nalepka na kitu:
S/N 0950-500

na ISE cdcku:
xilinx internal serial p/n 1050498-02

********************************************************
********************************************************
**     ML605 - FLASH Test                             **
********************************************************
********************************************************
-- Initialized the Flash library successfully --
-- Unlocked all the blocks successfully --
-- Erased the Flash memory contents at offset 0x1FE0000 successfully --
-- Writing: 000102030405060708090A0B0C0D0E0F101112131415161718191A1B1C1D1E1F2021
22232425262728292A2B2C2D2E2F303132333435363738393A3B3C3D3E3F40414243444546474849
4A4B4C4D4E4F505152535455565758595A5B5C5D5E5F606162636465666768696A6B6C6D6E6F7071
72737475767778797A7B7C7D7E7F808182838485868788898A8B8C8D8E8F90919293949596979899
9A9B9C9D9E9FA0A1A2A3A4A5A6A7A8A9AAABACADAEAFB0B1B2B3B4B5B6B7B8B9BABBBCBDBEBFC0C1
C2C3C4C5C6C7C8C9CACBCCCDCECFD0D1D2D3D4D5D6D7D8D9DADBDCDDDEDFE0E1E2E3E4E5E6E7E8E9
EAEBECEDEEEFF0F1F2F3F4F5F6F7F8F9FAFBFCFDFEFF
-- Write operation at offset 0x1FE0000 completed successfully --
-- Read operation completed successfully --
Flash test failed (1)

********************************************************
********************************************************
**     ML605 - FLASH Test                             **
********************************************************
********************************************************
-- Fail at Initialize --
Flash test failed (1)

hgkjgjkgasdfasdfkjgj

v patek mam nocni, so ne volno...v po dlouhou, utery kratka, patek kratka a so, ne makam dlouhe

janca hospa: 8, 9, 12, 13, 17, 20, 21, 24, 26, 29, 30, 31

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GE 152841060 / 0600

PHOTONICS PRAGUE 2008 - The 6th International Conference on Photonics, Devices and Systems - The Iterative Detection Network Suppression of Defocusing and Thermal Noise in Black and White Pictures Shot By a Camera with CCD/CMOS Sensor - Kekrt Daniel Ing. Klíma Miloš prof.Ing. CSc. Podgorný Radek Ing.

• H.264/MPEG-4 Part 10, Opticke komunikace 2007 Aspects of image quality enhancement in security technology

Klíma Miloš prof.Ing. CSc. Kekrt Daniel Ing. Podgorný Radek Ing. 42nd Annual 2008 IEEE International Conference on Security Technology

Odolnost kodeků MPEG-2 a H.264 proti chybám při přenosu Access server R.Podgorný, M.Klíma 2007

Bit Error Resilience of MPEG-2 and H.264 Video Compression Codecs, 19th International Conference RADIOELEKTRONIKA 2009, R.Podgorný, M.Klíma

Text Readability and Object Identifiability Thresholds

• in H.264/AVC Video Coding Standard

Radek Podgorný, Miloš Klíma RTT 2008

ANALÝZA VYBRANÝCH KODEKŮ Z HLEDISKA POUŽITELNOSTI PRO ÚČELY BEZPEČNOSTI A

• DOHLEDU

Radek Podgorný, Miloš Klíma IEEE Workshop Zvule 2007

Image Quality and QoE in Multimedia Systems Miloš KLÍMA 1 , Karel FLIEGEL 1 , Daniel KEKRT 1 , Petr DOSTÁL 1 , Radek PODGORNY 2 19th International Conference RADIOELEKTRONIKA 2009

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[03:17:00 PM] Tomas Forche: az budes v praci pak prosim precti na fixusoj /mnt/mapy/readme.txt, udelej review a pripadne podle toho uprav mapupdate skript, konfiguraci mapengine a kdo vi ceho co zere data map + pak prejmenuj adresar /data na /barrels. Zbytek si udelam sam. :-)
[03:50:00 PM] Tomas Forche: jo a uz je vyresen problem s nabihanim mapserveru... on rekurzivne proleza adresare, takze mit updates s mraky dlazdic v adresari data nebylo stastne reseni :-)))

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• Super vec

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147.32.123.229

Baba Haba

k,nj

musim si to taky zkusit

Mrcarlik

''tak do toho''

solidni solidni 123 no pozrime sa na to ?i to v?bec funguje ???

asi to fakt funguje :-)))

JaR?K

Par?da!!!

d:)

no to jo ....

Huhuhu snim ci bdim ?

Demonstrace funk?nosti

No vypad? to zaj?mav? (hodn?) ...

Opravdu? nj ahojky skou?ka textu xxx

HALOOOOO.. HIHIHI..

Tak schv?ln?!

Text

Italika

Novy odstavec? Snad ano ...

Tabulka

Odkazy

• Odkaz na Google: http://www.google.com Odkaz na Google

Obrazek

Seznam

• polozka 1
  • vnorena 1.1
  • * vnorena 1.2
  • vnorena 1.3
• polozka 2
• polozka 3

boldIt`s great

***************************

//*Toto je velice uzitecna a verim ze i zabavna vec. Jsem zvedav, co budoucnost jeste prinese - do zacatku by se mohlo jednat o verejne kresleni, coz by mohlo byt opravdu vtipne :DD*//

test editace

asdfjkl? tralala, ja si tu napisu inteligentniii hlasku

*****************************

Uzasne znacky

Vhodne i pro ochocene opice jako napriklad (opice opravena):))

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Jen mi hrozne vadi ti odporni graficti smajlici

aaaa Nen? to ?patn? n?pad. Vladim?r

Aaa

AAA

A

XXXXXXXXXXX

• sqele

Zauj?mav?, ?eby som u n?s ?ud? prin?til robi? na webe? Aspo? nebud? ma? v?hovorku ?e som im to tam nedal... ddddddddddddddddfffffffffffffffffffffffffffffff

• ******* Hmm goood idea... Schvalne co to provede

to fakt nejny hl??py

Za predpokladu ze budou fungovat nejaky pristupovy prava a nebude to anarchie, by to vyuzitelny byt mohlo...

123 skuska mikrofonu ---

:-!

hmmm tak tenhle smajlik asi nefuni ... kazdopadne je to sqela vec! okamzite to zavedu v praxi! MOC DIKY ZA NAPAD! Hust?.

--- **************** celkom pekne, zacnem uvazovat na co by som to nasadil vo firme

****************

Dik, pouzivame twiki v praci jako intranet. Jindra at jeta.net

Nazev

kurziva tucne tucna kurziva

Jan Hammer - Escape from television

Text text - You poor boy. "I dont like you!" preview

ahoj Martin, tak aj toto ide

opravuji text...

Soudruzi Revoluci. Tvoji krev my nezrad?me, lenin ten?s bude v?st, jeho odlaz nikdy nezrad?me .....

193.165.104.77

• =PSY2=

free running: 2047.997kHz 2048.018 - pred update 2048.017 - po update - TRIB_1 - Timing state=normal odpojeno - 2047.995 - LINE_1 zruseno LINE_1 - 2048.018 -> TRIB_1 - normal odpojeno 2048.019 - TRIB_1 - holdover

rozpad synchronizace -> LSS -> ALL1

• clc;clear;close all; fd=1000; fm=8000; Wn=fd/(fm/2); N=20;

WIN_ha=hamming(N+1); B_ha=fir1(N,Wn);

WIN_b=bartlett(N+1); B_b=fir1(N,Wn,WIN_b);

WIN_bl=blackman(N+1); B_bl=fir1(N,Wn,WIN_bl);

WIN_h=hann(N+1); B_h=fir1(N,Wn,WIN_h);

figure(1) Ng=1024;

[H_ha W_ha]=freqz(B_ha,1,Ng); subplot(2,2,1); f_ha=W_ha*fm/2/pi; plot(f_ha,20*log10(abs(H_ha))); title('hamming');

[H_b W_b]=freqz(B_b,1,Ng); subplot(2,2,2); f_b=W_ha*fm/2/pi; plot(f_b,20*log10(abs(H_b))); title('bartlett');

[H_bl W_bl]=freqz(B_bl,1,Ng); subplot(2,2,3); f_bl=W_ha*fm/2/pi; plot(f_bl,20*log10(abs(H_bl))); title('blackman');

[H_h W_h]=freqz(B_h,1,Ng); subplot(2,2,4); f_h=W_h*fm/2/pi; plot(f_h,20*log10(abs(H_h))); title('hann');

return; %uloha 2 figure(2) F=[0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1]; A=[1 1 1 0 0 0 0 0 0 0 0];

Bha=fir2(N,F,A,WIN_ha); Bh=fir2(N,F,A,WIN_h);

[Hha Wha]=freqz(Bha,1,Ng); subplot(2,1,1); fha=Wha*fm/2/pi; plot(fha,20*log10(abs(Hha))); title('hamming');

[Hh Wh]=freqz(Bh,1,Ng); subplot(2,1,2); fh=Wh*fm/2/pi; plot(fh,20*log10(abs(Hh))); title('hann');

%uloha 3 impulsni odezva figure(3) impz(Bha,1);

%uloha 3 f char figure(4) freqz(Bha,1,Ng,fm/2);

%uloha 3 f char figure(5) zplane(Bha,1)

• a) poplach v: RDI v MS, HP, LP protoze komunikace analyzator-AM1 byla jednosmerna

SOH f6 f6 f6 28 28 28 01 aa aa 46*ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff 68 93 93 00 ff ff 00 00 00 e3*08*41*00 ff ff 06 ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff ff 0b ff ff ff ff 00 ff ff ff

LO-POH V5: 65* J2: 00 N2: 00 K4: 00

b) zadne alarmy

c) pointer u tu-12 received se snizuje ptr au-4 = 0

0: 2e-4 1: 3e-4 5: 9e-4 10: 1.55e-3 20: 2.95e-3 50: 7.15e-3 100: 1.42e-2 200: 2.82e-2

pro taktovani z prijimaneho signalu = 0

d) count/secs HP REI: 9767/20 = 3.249e-6 LP REI: 1257/20 = 2.806e-5 SLIP: 20/20 = 1

ES: 0 SES: 0 US: 20 100% DM: 0 EFS: 0 BE: 0 AE: 0

Lucie Dvorakov- Veronika Klusov- Veronika Krskov- Alena Dvorakov- Marketa Vavrov-? Jana Pflegerov- Alena Bockschneiderov- Daniela Beckov- Zuz_x_ana Mi_x_sar_x_kov- Zdenka Kral_x_ikova Bara Musilov- Blanka Cizkov- Lucie Sim_x_unk_x_ova Li_x_buska Step_x_anko_x_va Eva Sa_x_sova? Dan_x_iela Cer_x_na Alej_x_andra Urdi_x_ain Pe_x_tra F_x_enclo_x_va

• clear;clc; fv=8000

t=0:1/fv:0.6-1/fv; y1=0.4*sin(2*pi*300*t); y2=0.6*sin(2*pi*2500*t); y=y1+y2; n=2; fv1=n*fv xinterp=zeros(1,n*length(y)); xinterp(([1:length(y)]-1)*n+1)=y;

figure(1); subplot(2,2,1); %title('Neinterpolovany') ffty1=abs(fft(y))/length(y); stem(0:fv/length(ffty1):fv-fv/length(ffty1),ffty1);

subplot(2,2,2); %title('Interpolovany') ffty2=abs(fft(xinterp))/length(xinterp); stem(0:fv1/length(ffty2):fv1-fv1/length(ffty2),ffty2);

N=60; B=fir1(N,fv/2/(fv1/2)); subplot(2,2,3); xinterp_filtered=filter(B,1,xinterp); ffty3=abs(fft(xinterp_filtered))/length(xinterp_filtered); stem(0:fv1/length(ffty3):fv1-fv1/length(ffty3),ffty3);

fv2=fv/n

B=fir1(N,fv2/2/(fv/2)); y=filter(B,1,y);

subplot(2,2,4); indxs=1:n:length(y); y_decim=y(indxs); ffty4=abs(fft(y_decim))/length(y_decim); stem(0:fv2/length(ffty4):fv2-fv2/length(ffty4),ffty4);

• brigde - 4ms 1 hop

route - 4ms 172.20.20.20 172.20.20.1 172.33.1.2 172.32.32.10

1.2km GS DSP version :1 xDSL GS Version :R.1.5 xDSL side :COE. Startup Progress :(0x0)Startup not in progress. Operation state :Data. Operation rate :2320 Kbps Framer Sync. state :Framer in SYNC Last fail state :No failure. SNR margin value :3 DB. Loop attenuation :11 DB. Receice Gain :10 DB. Transmit Power :14 dBm. xDSL state :DSL_ACTIVE

2.4km GS DSP version :1 xDSL GS Version :R.1.5 xDSL side :COE. Startup Progress :(0x0)Startup not in progress. Operation state :Data. Operation rate : 656 Kbps Framer Sync. state :Framer in SYNC Last fail state :No failure. SNR margin value :1 DB. Loop attenuation :18 DB. Receice Gain :7 DB. Transmit Power :13 dBm. xDSL state :DSL_ACTIVE

-77dBm/Hz

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• Bara, Ilona, Urna, Tomik, Vlasac, Svata

snova přednášek Digitální sítě, předmět fakultní nabídky FEL, šk. r. 2006/07 Osnova přednášek 1. 05. 10. Druhy signálů. Digitalizace signálu. Základní pojmy. Fyzický a virtuální kanál 2. 12. 10. Multiplexní principy. Hierarchie PDH 3. 19. 10. Hierarchie SDH, její podstata, funkce a formáty 4. 26. 10. Referenční model OSI RM. Vrstvy, protokoly, formáty 5. 02. 11. Adresové multiplexy. Vývoj X 25, FR, IP, ATM, DQDB 6. 09. 11. Digitální přenosové trakty. Opakovače. Linkové kódy. Optické linkové trakty 7. 16. 11. Spojovací zařízení a jejich členění. Účastnické bloky. Rozhraní ústředny 8. 23. 11. Digitální síť integrovaných služeb (ISDN). Druhy spojení a služby ISDN 9. 30. 11. Širokopásmová síť integrovaných služeb (ATM). Referenční model. Třídy služeb 10. 07. 12. Principy a realizace spojovacích polí v úzkopásmových a v širokopásmových sítích 11. 14. 12. Síťové prvky. Parametry přenosu a spojení. Spojovací prvky 12. 21. 12. Signalizace - členění. Účastnická signalizace. Síťová signalizace 13. 04. 01. Státní regulace telekomunikací. Síťové plány 14. 11. 01. Mezinárodní standardy a doporučení

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