t-zero n. 〔俄語(yǔ)〕【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(hào)。 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(wú)。 3.最低點(diǎn);【天文學(xué)】天底;【航空】零高度。 4.沒(méi)價(jià)值的人[物]。 5.【軍事】= zero hour. the absolute zero 【物理學(xué)】絕對(duì)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(wú)風(fēng)部位瞄準(zhǔn)。 2. 把(火力)對(duì)準(zhǔn)目標(biāo) (on)。 zero out 給…以免稅待遇(to zero out funding for public broadcasting 對(duì)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(jiàn)度小于165英尺的。
In this paper , we emphasis on the distributed mimo zero forcing detection , maximum likelihood detection and minimum mean square error detection . the simulation results are presented to compare the proposed distributed mimo detection algorithms 本文重點(diǎn)闡述了分布mimo的迫零檢測(cè)算法、最大似然檢測(cè)算法和最小均方誤差檢測(cè)算法,并通過(guò)仿真比較了這三種分布mimo檢測(cè)算法的性能。
Section 4 researches on pilot symbol aided space - time 2d rake receiver in rayleigh fading channel . two kinds of 2d - rake receivers are proposed , one is the interference zeros force 2d - rake receiver ( zf - 2drake ) . simulation results reveal zf - 2drake has the better performance than the conventional 2d - rake receiver 研究了rayleigh信道下2種導(dǎo)頻輔助的空時(shí)2d - rake接收機(jī)結(jié)構(gòu):干擾置零2d - rake接收機(jī)( zf - 2drake )和基于空時(shí)信道估計(jì)的時(shí)空級(jí)聯(lián)2d - rake接收機(jī)( spce - 2drake ) ,推導(dǎo)了它們的誤碼率性能。
Deducing the transfer function of the system , one controller is constructed and it has the wide frequencies isolation performance and zero force transfer rate . the active vibration isolation simulation is made and the results show that the two - stage isolation mounting with the controller constructed using the method mentioned in this paper has perfect isolation property and this provide new way for controller design . 4 通過(guò)對(duì)雙層隔振振動(dòng)主動(dòng)控制系統(tǒng)模型的力傳遞函數(shù)的深入研究,構(gòu)造了一種具有寬帶隔振性能的理論上具有零力傳遞率的控制器,并進(jìn)行了數(shù)字仿真研究,取得了理想的仿真效果,為振動(dòng)主動(dòng)控制控制器的設(shè)計(jì)提供了新的思路。