La tecnología se define como el conjunto de conocimientos técnicos y científicos ordenados que permiten diseñar y crear bienes y servicios para facilitar la adaptación al medio ambiente y satisfacer las necesidades y deseos de la humanidad.
This thesis examines discharge capacity reduction in pressurized pipelines in Rotterdam, the Netherlands. It aims to quantify the effects of gas pockets on capacity and identify if gas pockets influence the pressurized wastewater system in Rotterdam. The document provides background on causes of capacity reduction in pressurized pipelines and methods to detect gas pockets. It then describes the wastewater system in Rotterdam and selects two pumping stations and their pipelines for analysis. Hydraulic models of the selected systems are developed. The results of analyzing the models are then presented to determine if and how much gas pockets reduce capacity in the systems. The thesis confirms gas pockets can significantly reduce capacity and that management of air valves in pressurized
Miguel A. Rosado completed the requirements to become a Certified ScrumMaster and was awarded this designation on September 01, 2015 by Scrum Alliance. He is entitled to all privileges and benefits offered by Scrum Alliance until his certification expires on September 01, 2017. The certification was signed by Luke Walter, the Chairman of the Board for Scrum Alliance.
Fpga implementation of optimal step size nlms algorithm and its performance a...eSAT Journals
Abstract The Normalized Least Mean Square error (NLMS) algorithm is most popular due to its simplicity. The conflicts of fast convergence and low excess mean square error associated with a fixed step size NLMS are solved by using an optimal step size NLMS algorithm. The main objective of this paper is to derive a new nonparametric algorithm to control the step size and also the theoretical performance analysis of the steady state behavior is presented in the paper. The simulation experiments are performed in Matlab. The simulation results show that the proposed algorithm as superior performance in Fast convergence rate, low error rate, and has superior performance in noise cancellation. Index Terms: Least Mean square algorithm (LMS), Normalized least mean square algorithm (NLMS)
La tecnología se define como el conjunto de conocimientos técnicos y científicos ordenados que permiten diseñar y crear bienes y servicios para facilitar la adaptación al medio ambiente y satisfacer las necesidades y deseos de la humanidad.
This thesis examines discharge capacity reduction in pressurized pipelines in Rotterdam, the Netherlands. It aims to quantify the effects of gas pockets on capacity and identify if gas pockets influence the pressurized wastewater system in Rotterdam. The document provides background on causes of capacity reduction in pressurized pipelines and methods to detect gas pockets. It then describes the wastewater system in Rotterdam and selects two pumping stations and their pipelines for analysis. Hydraulic models of the selected systems are developed. The results of analyzing the models are then presented to determine if and how much gas pockets reduce capacity in the systems. The thesis confirms gas pockets can significantly reduce capacity and that management of air valves in pressurized
Miguel A. Rosado completed the requirements to become a Certified ScrumMaster and was awarded this designation on September 01, 2015 by Scrum Alliance. He is entitled to all privileges and benefits offered by Scrum Alliance until his certification expires on September 01, 2017. The certification was signed by Luke Walter, the Chairman of the Board for Scrum Alliance.
Fpga implementation of optimal step size nlms algorithm and its performance a...eSAT Journals
Abstract The Normalized Least Mean Square error (NLMS) algorithm is most popular due to its simplicity. The conflicts of fast convergence and low excess mean square error associated with a fixed step size NLMS are solved by using an optimal step size NLMS algorithm. The main objective of this paper is to derive a new nonparametric algorithm to control the step size and also the theoretical performance analysis of the steady state behavior is presented in the paper. The simulation experiments are performed in Matlab. The simulation results show that the proposed algorithm as superior performance in Fast convergence rate, low error rate, and has superior performance in noise cancellation. Index Terms: Least Mean square algorithm (LMS), Normalized least mean square algorithm (NLMS)
El documento describe el contexto escolar y situación de los alumnos de un grupo de 4to grado en una escuela primaria rural. La mayoría de los alumnos provienen de familias de bajos recursos y con pocos años de educación. Presentan dificultades en comprensión lectora y pensamiento matemático. El aula cuenta con recursos básicos. De acuerdo a pruebas, el tipo de inteligencia dominante es la visual-espacial y el estilo de aprendizaje auditivo. Se identificaron líderes positivos y negativos
El documento describe las diferencias entre las tecnologías del pasado y las tecnologías modernas en varias áreas como la comunicación, el transporte, la medicina y los dispositivos electrónicos. Antes se usaban métodos como señales de humo, palomas mensajeras y cartas para comunicarse, mientras que ahora se usan teléfonos celulares, correo electrónico, redes sociales y video llamadas. Del mismo modo, los medios de transporte, barcos, aviones y vehículos de antes eran más primitivos que sus contrapartes modernas.
29 An Intercultural Study of Refusal Strategies in English between Jordanian ...Yasser Al-Shboul
This document summarizes a study that investigated the similarities and differences in refusal strategies used by Jordanian and Malay postgraduate students in English. Data was collected using a modified Discourse Completion Test where situations requiring refusal were read aloud and participants responded verbally. Responses were analyzed based on refusal strategy frequency and type. Key findings were that both groups used similar strategies like excuses and explanations most frequently. However, Jordanians used indirect strategies more often than Malays. Additionally, Jordanians expressed gratitude less when refusing equals or lower status individuals. The study aimed to contribute to understanding intercultural communication between these groups.
The document discusses the discrete cosine transform (DCT) and compares it to the discrete Fourier transform (DFT). Some key points:
- DCT provides better energy compaction than DFT, making it useful for image/signal compression applications. It transforms a signal from the spatial domain to the frequency domain.
- DCT is a real-valued transform derived from DFT, but is more computationally efficient as it avoids redundant complex calculations for real input data.
- The one-dimensional and two-dimensional DCT transforms are defined. DCT has properties like separability and invertibility like DFT.
- DCT coefficients represent the signal's frequency content, with low frequencies concentrated in
Desde la más remota antiguedad, el ser humano se ha preguntado qué función tiene el cerebro humano y cómo aprovechar sus capacidades en beneficio de sí mismo y de la humanidad.
El documento presenta una lista de 20 recursos y herramientas en línea útiles para la educación inicial. Entre ellas se encuentran plataformas para crear materiales educativos como Cuadernia, Ardora, Hot Potatoes y JClic, así como herramientas para diseñar actividades colaborativas como LAMS. También incluye enlaces a páginas con ejercicios y juegos didácticos como Educaplay y Rayuela del Instituto Cervantes.
This document lists 25 resources for English language learners. It includes websites for pronunciation practice, using English, dictionaries, slang, grammar exercises, vocabulary building, games, and activities for ESL students. Many of the resources listed provide free online content to help improve English skills.
El documento describe el contexto escolar y situación de los alumnos de un grupo de 4to grado en una escuela primaria rural. La mayoría de los alumnos provienen de familias de bajos recursos y con pocos años de educación. Presentan dificultades en comprensión lectora y pensamiento matemático. El aula cuenta con recursos básicos. De acuerdo a pruebas, el tipo de inteligencia dominante es la visual-espacial y el estilo de aprendizaje auditivo. Se identificaron líderes positivos y negativos
El documento describe las diferencias entre las tecnologías del pasado y las tecnologías modernas en varias áreas como la comunicación, el transporte, la medicina y los dispositivos electrónicos. Antes se usaban métodos como señales de humo, palomas mensajeras y cartas para comunicarse, mientras que ahora se usan teléfonos celulares, correo electrónico, redes sociales y video llamadas. Del mismo modo, los medios de transporte, barcos, aviones y vehículos de antes eran más primitivos que sus contrapartes modernas.
29 An Intercultural Study of Refusal Strategies in English between Jordanian ...Yasser Al-Shboul
This document summarizes a study that investigated the similarities and differences in refusal strategies used by Jordanian and Malay postgraduate students in English. Data was collected using a modified Discourse Completion Test where situations requiring refusal were read aloud and participants responded verbally. Responses were analyzed based on refusal strategy frequency and type. Key findings were that both groups used similar strategies like excuses and explanations most frequently. However, Jordanians used indirect strategies more often than Malays. Additionally, Jordanians expressed gratitude less when refusing equals or lower status individuals. The study aimed to contribute to understanding intercultural communication between these groups.
The document discusses the discrete cosine transform (DCT) and compares it to the discrete Fourier transform (DFT). Some key points:
- DCT provides better energy compaction than DFT, making it useful for image/signal compression applications. It transforms a signal from the spatial domain to the frequency domain.
- DCT is a real-valued transform derived from DFT, but is more computationally efficient as it avoids redundant complex calculations for real input data.
- The one-dimensional and two-dimensional DCT transforms are defined. DCT has properties like separability and invertibility like DFT.
- DCT coefficients represent the signal's frequency content, with low frequencies concentrated in
Desde la más remota antiguedad, el ser humano se ha preguntado qué función tiene el cerebro humano y cómo aprovechar sus capacidades en beneficio de sí mismo y de la humanidad.
El documento presenta una lista de 20 recursos y herramientas en línea útiles para la educación inicial. Entre ellas se encuentran plataformas para crear materiales educativos como Cuadernia, Ardora, Hot Potatoes y JClic, así como herramientas para diseñar actividades colaborativas como LAMS. También incluye enlaces a páginas con ejercicios y juegos didácticos como Educaplay y Rayuela del Instituto Cervantes.
This document lists 25 resources for English language learners. It includes websites for pronunciation practice, using English, dictionaries, slang, grammar exercises, vocabulary building, games, and activities for ESL students. Many of the resources listed provide free online content to help improve English skills.
Tierische Lebensmittel & informelle Märkte in sub-Sahara Afrika
Ftn ispitni zadatak
1. KOMENTAR:
Fakultet tehničkih nauka, Novi Sad
Ispitni rad iz predmeta Elektronika, druga godina, smer Računarstvo i automatika, ispit je održan 22. januara 2005.
Student: Darko Todorović
Tekst je prekucan bez ispravki (nadam se bez greške), sem slike koja je skenirana (iz opravdanih razloga).
Milan Nikolić
-------------------------------------------------------------------------------------------------------------------------------------------1. Zašto dolazi do obrazovanja energetskih zona u čvrstim telima?
Konjski Rep je ležao na vreloj steni, posmatrajući suncem okupanu pustinju ispred sebe. Sećao se šta mu je
Veprov Nos, veliki vrač, sinoć rekao: da bi mogao da koristi svih sedam energetskih zona, njegovo telo prvo mora
očvrsnuti. Zato je Konjski Rep, glave još uvek malo mutne od dima iz lule mira sa sinoćne ceremonije, pre osvita
izašao iz svog šatora i satima trčao preko nepregledne pustinje, dalje nego ikad dosad. Juče je i on postao ratnik,
dobivši svoje prvo pero, ali od danas ima još viši cilj. Naučiće da otvori svih sedam energetskih zona svog tela,
postaće najsnažniji ratnik u selu, baš kao što je to nekada bio njegov pradeda, Hijenin Brk. Žuta Stopala su maleno
pleme, ali uz njegovo vođstvo postaće još jači, i moći će se konačno suprotstaviti bledolikima. Iscerio se od uveta do
uveta, obrisao znoj sa čela, ustao i nastavio da trči.
2. Da li poluprovodnik sa većim energetskim procepom ima manju ili veću koncentraciju sopstvenih nosilaca u
odnosu na poluprovodnik sa manjim energetskim procepom? Zbog čega je to važno za primenu u praksi?
Anja je, po običaju, bila besna. Saznala je da nije položila kolokvijum iz nekog tamo okruženja poslovanja,
i sad je sedela u mom stanu, pokušavajući da skuva kafu i istovremeno gunđajući nešto nerazumljivo.
Doduše, nisam se ni trudio da je razumem. Zurio sam u knjigu iz elektronike, i želeo da me ceo svet (pa čak
i ona) ostavi na miru, bar do dvadeset drugog. Nije bilo šanse. P i N poluprovodnici skakali su mi kroz mozak,
zajedno sa Anjinom gunđajućom siluetom i velikom džezvom NES kafe u kojo se vrtela kašičica, proizvodeći
neverovatno iritantne zvuke.
Pitanje: koji poluprovodnik ima veću koncentraciju sopstvenih nosilaca, onaj sa većim ili onaj sa manjim
energetskim procepom? Hm. Zavisi od toga koliko kockica šećera može da stane u tu džezvu. Dođavola!
Pitanje: zbog čega je to važno za primenu u praksi? Pitanje je postavljeno kao da se podrazumeva da to
jeste bitno za primenu u praksi. Kad ni u podrazumevane stvari nisam siguran, bolje bi bilo da odustanem na vreme.
Bacio sam knjigu, ustao i prišao Anji, koja je upravo završavala sa kuvanjem kafe, ne skidajući besan izraz
sa lica.
- Hajde, vodim te na neko normalno piće – rekoh, zagrlivši je – Ta kesica NES-kafe ionako je tu u ostavi
otkad smo se doselili.
- A tvoj ispit? – pitala je, glumeći nevinašce. Epizoda besa ju je odmah prošla.
- Pusti sad to – rekao sam.
Otišli smo, ostavivši džezvu punu kafe da se hladi na ringli.
3. Šta treba preduzeti pri projektovanju polarizacionog kola da se promena od jednog do drugog tranzistora istog
proizvođačkog tipa što manje oseti?
Prvi korak:
Dobro se naspavajte. Projektovanje polarizacionih kola uz nedovoljno sna može biti opasno i po
vaše i po zdravlje drugih.
Drugi korak: Obucite jednostavno, svakodnevno odelo. Bade-mantili ili samo donji veš su dozvoljeni, ali samo
ukoliko pomenuto projektovanje radite kod kuće.
Treći korak: Unapred pripremite pribor. Nemojte dozvoliti sebi da vam u punom stvaralačkom zamahu otkaže
hemijska, ili ostanete bez minica za patent-olovku.
Četvrti korak: Pokušajte bar da pre bilo kakvog projektovanja konsultujete udžbenik iz elektronike.
4. Koji režimi rada NPN tranzistora postoje i kako se modeluju za velike signale?
U sobi je vladala polutama, uprkos petrolejskoj lampi na stolu, koja je bila podešena na maksimum. Osim
lampe, na stolu se nalazila i otvorena konzerva pseće hrane (“Fido! Vaš pas će mahati repom dok jede!”),
poluprazna kutija Laki Strajka, i crveni tranzistor, iz kojeg je izlazila tiha muzika (Doni Donerston i Papirni
2. Majmuni; pesma se zvala “Moja devojka sa očima različite boje”). Na njemu su se jasno videla slova NPN (nekada
ih je bilo više, pisalo je NIPPON, ali mnoga su otpala još dok ga je stari Arni nosio u levom džepu košulje, ne bi li
pratio utakmice dok ore), ali ta slova trenutno nisu bila predmet Anrijeve pažnje. Arni je, sa prljavim naočarima u
levoj i šrafcigerom u desnoj ruci, vrlo radoznalo i pomalo bledo zurio u par zarđalih šrafova na gornjoj strani
tranzistora. Ovakav kakav je, tranzistor je bio u stanju da hvata frekvencije u rasponu od 85 do 109 MHz, a to,
izgleda nije bilo dovoljno da uhvati i frekvenciju koju “oni” koriste. Jer, sinoć ih je opet video, tanki snopovi
svetlosti baš iznad njegovog kukuruznog polja, i siguran je da su to osvajači sa druge planete, vanzemaljci sa
velikim očima i još većim laserskim pištoljima. Ako još bude uspeo da modeluje ovaj tranzistor da prima velike
signale, onda će mu i drugi (debeli Toni, naprimer, taj pijani zafrkant!) konačno poverovati kad bude pričao o
spaljenim kukuruznim poljima, i otiscima letećih tanjira koji su tu sletali. Možda će čak dobiti i orden od
predsednika, kad se sazna da je baš on prvi primetio uljeze. To bi bilo nešto!
Još samo kad bi znao kako se ovaj vraški tranzistor otvara!
5. Skicirati strukturu i karakteristike MOSFET-a sa indukovanim i ugrađenim kanalom N-tipa. Kako se
karakteristike menjaju ako se radi o tranzistoru P-tipa?
M.O.S.F.E.T (Montrealska Olimpijska Staza Formule 1 za Evropska Takmičenja).
Ukoliko se za slušanje prenosa trka koristi tranzistor P-tipa, menja se modulacija glasa komentatora, u zavisnosti od
kvaliteta/marke pomenutog tranzistora.