. . . . . . . . . "8499"^^ . "Em engenharia el\u00E9trica, o modelo de par\u00E2metros distribu\u00EDdos, modelo de elementos distribu\u00EDdos ou modelo de linha de transmiss\u00E3o de circuitos el\u00E9tricos pressup\u00F5e que os atributos do circuito ( resist\u00EAncia, capacit\u00E2ncia e indut\u00E2ncia ) est\u00E3o distribu\u00EDdos continuamente por todo o material do circuito. Isso contrasta com o modelo de par\u00E2metros concentrados mais comum, que pressup\u00F5e que esses valores sejam agrupados em componentes el\u00E9tricos unidos por fios perfeitamente condutores. No modelo de par\u00E2metros distribu\u00EDdos, cada elemento do circuito \u00E9 infinitesimalmente pequeno e os elementos de conex\u00E3o dos fios n\u00E3o s\u00E3o considerados condutores perfeitos; isto \u00E9, eles possuem imped\u00E2ncia. Diferentemente do modelo de par\u00E2metros concentrados, este assume corrente n\u00E3o uniforme ao longo de cada ramo e tens\u00E3o n\u00E3o uniforme ao longo de cada fio. O modelo distribu\u00EDdo \u00E9 usado onde o comprimento de onda se torna compar\u00E1vel \u00E0s dimens\u00F5es f\u00EDsicas do circuito, tornando o modelo concentrado impreciso. Isso ocorre em altas frequ\u00EAncias, nas quais o comprimento de onda \u00E9 muito curto ou em linhas de transmiss\u00E3o de baixa frequ\u00EAncia, mas muito longas, como linhas de energia a\u00E9reas ."@pt . . . . "\u0646\u0645\u0648\u0630\u062C \u0627\u0644\u0639\u0646\u0627\u0635\u0631 \u0627\u0644\u0645\u0648\u0632\u0639"@ar . "In electrical engineering, the distributed-element model or transmission-line model of electrical circuits assumes that the attributes of the circuit (resistance, capacitance, and inductance) are distributed continuously throughout the material of the circuit. This is in contrast to the more common lumped-element model, which assumes that these values are lumped into electrical components that are joined by perfectly conducting wires. In the distributed-element model, each circuit element is infinitesimally small, and the wires connecting elements are not assumed to be perfect conductors; that is, they have impedance. Unlike the lumped-element model, it assumes nonuniform current along each branch and nonuniform voltage along each wire. The distributed model is used where the wavelength becomes comparable to the physical dimensions of the circuit, making the lumped model inaccurate. This occurs at high frequencies, where the wavelength is very short, or on low-frequency, but very long, transmission lines such as overhead power lines."@en . . . 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"In elettrotecnica, il modello a parametri distribuiti o modello a elementi distribuiti o modello a linee di trasmissione dei circuiti elettrici assume che le caratteristiche del circuito, quindi i suoi parametri, (resistenza, capacit\u00E0 e induttanza) siano distribuite con continuit\u00E0 in tutto il materiale del circuito. Ci\u00F2 \u00E8 in contrasto con il pi\u00F9 comune modello a parametri concentrati, il quale assume che questi valori siano concentrati in componenti elettrici che siano uniti mediante fili perfettamente conduttivi. Nel modello a elementi distribuiti, ogni tratto infinitamente piccolo \u00E8 trattato come un elemento circuitale e i fili che connettono gli elementi non sono considerati conduttori perfetti, cio\u00E8 sono considerati dotati di impedenza. Al contrario del modello a parametri concentrati,"@it . . . . "In elettrotecnica, il modello a parametri distribuiti o modello a elementi distribuiti o modello a linee di trasmissione dei circuiti elettrici assume che le caratteristiche del circuito, quindi i suoi parametri, (resistenza, capacit\u00E0 e induttanza) siano distribuite con continuit\u00E0 in tutto il materiale del circuito. Ci\u00F2 \u00E8 in contrasto con il pi\u00F9 comune modello a parametri concentrati, il quale assume che questi valori siano concentrati in componenti elettrici che siano uniti mediante fili perfettamente conduttivi. Nel modello a elementi distribuiti, ogni tratto infinitamente piccolo \u00E8 trattato come un elemento circuitale e i fili che connettono gli elementi non sono considerati conduttori perfetti, cio\u00E8 sono considerati dotati di impedenza. Al contrario del modello a parametri concentrati, il modello a parametri distribuiti assume che lungo ciascun ramo la corrente non sia uniforme e che lungo ciascun filo la tensione (tra i due conduttori da cui \u00E8 costituito) non sia uniforme. Il modello a parametri distribuiti viene utilizzato quando la lunghezza d'onda diviene confrontabile con le dimensioni fisiche del circuito, rendendo inaccurato il modello a parametri concentrati. Questo si verifica a frequenze elevate, nel qual caso la lunghezza d'onda diviene molto piccola, o o sulle linee di trasmissione a bassa frequenza, ma molto lunghe, come gli elettrodotti."@it . . . 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"In electrical engineering, the distributed-element model or transmission-line model of electrical circuits assumes that the attributes of the circuit (resistance, capacitance, and inductance) are distributed continuously throughout the material of the circuit. This is in contrast to the more common lumped-element model, which assumes that these values are lumped into electrical components that are joined by perfectly conducting wires. In the distributed-element model, each circuit element is infinitesimally small, and the wires connecting elements are not assumed to be perfect conductors; that is, they have impedance. Unlike the lumped-element model, it assumes nonuniform current along each branch and nonuniform voltage along each wire. The distributed model is used where the wavelength be"@en . . . "Modelo de par\u00E2metros distribu\u00EDdos"@pt . . "301950"^^ . . . . . "Parametri distribuiti"@it . "Distributed-element model"@en . . . "1057204930"^^ . . . . . . . "Em engenharia el\u00E9trica, o modelo de par\u00E2metros distribu\u00EDdos, modelo de elementos distribu\u00EDdos ou modelo de linha de transmiss\u00E3o de circuitos el\u00E9tricos pressup\u00F5e que os atributos do circuito ( resist\u00EAncia, capacit\u00E2ncia e indut\u00E2ncia ) est\u00E3o distribu\u00EDdos continuamente por todo o material do circuito. Isso contrasta com o modelo de par\u00E2metros concentrados mais comum, que pressup\u00F5e que esses valores sejam agrupados em componentes el\u00E9tricos unidos por fios perfeitamente condutores. No modelo de par\u00E2metros distribu\u00EDdos, cada elemento do circuito \u00E9 infinitesimalmente pequeno e os elementos de conex\u00E3o dos fios n\u00E3o s\u00E3o considerados condutores perfeitos; isto \u00E9, eles possuem imped\u00E2ncia. Diferentemente do modelo de par\u00E2metros concentrados, este assume corrente n\u00E3o uniforme ao longo de cada ramo e tens"@pt . . . . . . . . . . . . . .