t-zero n. 〔俄語〕【宇宙空間技術(shù)】(人造衛(wèi)星等的)發(fā)射時(shí)間。
zero n. (pl. zeros, zeroes) 1.【數(shù)學(xué)】零;零號。 2.零位;零點(diǎn),起點(diǎn);(溫度表的)零度,冰點(diǎn);座標(biāo)原點(diǎn);無。 3.最低點(diǎn);【天文學(xué)】天底;【航空】零高度。 4.沒價(jià)值的人[物]。 5.【軍事】= zero hour. the absolute zero 【物理學(xué)】絕對零度〔-273.16℃〕。 the air zero 原子彈空中爆炸中心。 fly at zero 超低空(1000英尺高度以下的)飛行。 vt. 1.把(調(diào)節(jié)器等)調(diào)整到零位。 2.把…減少到零位。 zero in 1. 調(diào)整(槍炮的)射距,把(槍炮等的標(biāo)尺)調(diào)整到標(biāo)準(zhǔn)無風(fēng)部位瞄準(zhǔn)。 2. 把(火力)對準(zhǔn)目標(biāo) (on)。 zero out 給…以免稅待遇(to zero out funding for public broadcasting 對用于公共廣播的經(jīng)費(fèi)實(shí)行免稅)。 adj. 1.零(度)的。 2.【氣象學(xué)】云幕低于50英尺,能見度小于165英尺的。
This thesis gave emphasis to the synthesis and design of general chebyshev filter with transmission zeros and waveguide multiplexer . and studied related theories and technologies 本論文以波導(dǎo)多工器和廣義切比雪夫?yàn)V波器的綜合設(shè)計(jì)為主,并研究了與之相關(guān)的理論和技術(shù)。
For the plant , we need the following assumptions : ( al ) the transmission zeros of g ( . s ) have negative real parts , and every element of g - 1 ( . s ) is analytic in re [ s ] - , > 0 is some constant 對該系統(tǒng);作如下假設(shè): …二) g ( 。 )的所有傳輸零盧、均具有負(fù)實(shí)部,且o小)的每一個(gè)元素都在o 。
Design narrow - band , little region of space , high restraination in stop - band passive components is necessity . waveguide multiplexer and general chebyshev filter with transmission zeros are the passive components . they is studied in domesty and overseas 波導(dǎo)多工器和具有任意傳輸零點(diǎn)的廣義切比雪夫?yàn)V波器具有這些優(yōu)良性能,是目前國內(nèi)外研究的熱點(diǎn)。
The synthesis and design of the conventional filters ( butterworth , chebshev , cauer ) ; further more , waveguide multiplexer and the general chebshev filters with transmission zeros were introduced . multipath coupling equivalent circuit are constructed and the relative phase shifts of multiple paths are observed to produce the known responses of the cascaded triplet and quadruplet sections 給出了傳統(tǒng)濾波器的基本理論和設(shè)計(jì)方法,繼而介紹了波導(dǎo)多工器和廣義切比雪夫?yàn)V波器的綜合理論;分析了相位關(guān)系和交叉耦合的電路模型;給出了在腔體濾波器中實(shí)現(xiàn)交叉耦合的方法。