Guzobere, Sayensị
Cyclic ugboro - ihe na otú?
Na ụwa nke gbara anyị gburugburu, e nwere ọtụtụ phenomena na Filiks, nke bụ, site na nnukwu, adịghị ahụ anya, ọ bụghị n'ihi na ha anaghị adị, kama n'ihi na anyị nanị adịghị achọpụta ha. Ha na-mgbe nile na bụ otu-adịghị ahụ anya na oké mkpa zuru oke nke ihe, na-enweghị nke ndụ anyị ma ọ bụ ike were. Onye ọ bụla, n'ihi na ihe atụ, ọ na-mara na ndị dị otú mmajijiji: n'ozuzu okwu - a ndiiche si ịha ala. Ọfọn, n'ọnụ nke Ostankino ụlọ elu dabere ha 5 nke, na mgbe ihe? Na a siri ike? Ọ dịghị ihe dị ka nke a ga-amalite na-abịa azụ, ileghara ịha na a ga-mehieworonụ na-abụghị direction, na na ruo mgbe ebighị ebi, dị ka ogologo dị ka ọ ga-adị. Na-agwa m, a ọtụtụ ndị na-hụrụ ndị a nnukwu fluctuations dị otú ahụ na nnukwu ihe owuwu? Onye ọ bụla maara dịgasị, ebe a, e, ebe a, e, ehihie na abalị, na oyi na okpomọkụ, ma n'ụzọ ụfọdụ ... bụghị ọtụtụ. Ihe mere maka oscillatory usoro - bụ okwu ọzọ, ma ya ọnụnọ bụ - ihe atọsa àgwà nke ihe niile.
Àmà gburugburu: ụlọ, pendulum elekere, epupụta na osisi, violin ndido urụk, elu nke oké osimiri, ụkwụ nke ndị ndụdụ ... Otu fluctuations iche jupụtara na-enweghị ike repeatability, na cyclic, onye maka a oge T oscillating ahụ na-aga a full set nke ya na-agbanwe, mgbe ahụ, okirikiri bụ kpọmkwem otu, n'ozuzu na-ekwu okwu, mgbe ebighị ebi. A, mgbanwe ndị a na-enye echiche a zipụta ha n'usoro Doppler nke gbasara ohere na-achịkọta, dị ka a pụrụ hụrụ na oscillations nke pendulum, ma ọ bụ otu ụlọ elu.
The ọnụ ọgụgụ nke oscillations kwa unit oge a na-akpọ ugboro F = 1 / T. Frequency n'ihe unit - Hz = 1 / s. O doro anya na ndị cyclic ugboro bụ a oke nke otu aha oge ọ bụla. Otú ọ dị, na omume, na ọ nabatara ihe a echiche, na ụfọdụ ose ikwu isi na rotational ọdịdị nke fluctuations. Ọ dabara na nkà na rotational ije bụ ihe ndabere nke na ọtụtụ nke igwe, ngwaọrụ, ngwaọrụ. N'ihi na otu onye okirikiri nke oscillation nke otu uzo, na mgbe ahụ, ọ bụ ihe adaba iji angular Ndahie kwa. N'ihi ya, rotational ije tụrụ angular nkeji, i.e. otu mgbanwe hà 2π radians, na cyclic ugboro ῳ = 2π / T. Site na nke a okwu c bụ apụta ìhè ngwa ngwa nkwurịta okwu ugboro ole F: ῳ = 2πF. Nke a na-eme ka o kwe omume na-ekwu na ndị cyclic ugboro - ọnụ ọgụgụ nke oscillations (full ibe) n'elu 2π sekọnd.
Ọ ga-adị, ọ bụ na ọkpọiso, nke mere ... bụghị n'ezie. 2π multipliers na 2πF eji ọtụtụ ngwá electronic arụmarụ, mgbakọ na mwepụ na usoro iwu physics na ngalaba ebe oscillatory Filiks na-amụ iji echiche nke cyclic ugboro. The usoro nke resonance ugboro ole, n'ihi na ihe atụ, na-belata abụọ ihe. N'ihe banyere ojiji na ngụkọta oge unit "vol. / Sec" angular, cyclic ugboro ῳ numerically ekwekọ n'àgwà uru nke ugboro F.
Fluctuations, dị ka nke kachasi mkpa nakwa ụdị ịdị adị nke ihe, na ya n'ezie incarnation - achị anyị na-ndị dị oké mkpa na ndụ mmadụ. Ihe Ọmụma nke iwu nke vibrations ekwe omume ike elu electronics, eletriki injinịa, ọtụtụ nke oge a ígwè ọrụ. N'ụzọ dị mwute, fluctuations adịghị mgbe niile na-eme ka a mmetụta dị mma, mgbe ụfọdụ, ha na-eme ihe mwute na mbibi. Unaccounted oscillations ime ka nke ọtụtụ ihe mberede, na-eme nká nke ihe, na angular ugboro nke resonance oscillations nke àkwà mmiri, mmiri igwe akụkụ-akpata ha akaghi ọdịda. The ọmụmụ nke oscillatory Filiks, ikike ikwu ihe omume nke eke na technical ụlọ ọrụ iji gbochie mbibi ha ma ọ bụ wepuÚ ọrụ na ala - isi ọrụ nke ọtụtụ engineering ngwa, na nnyocha nke ulo oru ụlọ ọrụ na vibration usoro - a achọrọ mmewere nke mmezi.
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