given adj. 1.一定的,特定的。 2.給予的,贈送的。 3.〔數(shù)學推理等的獨立用法,表示條件)已知的,假設的。 4.愛好的,喜歡的,習慣的 (to)。 5.(文件等于…)簽訂的。 within a given period 在一定期間內。 meet at a given time and place 在約定的時間和地點會面。 G- x, it follows that ....已知x, 則可推出…。 G- a protracted war,.... 只要是長期戰(zhàn)爭,…。 I am not given that way. 我不是干那種事的人。 be given romantically. 生性浪漫。 G- under my hand and seal this 10th day of May 1980 in ... . 一九八○年五月十日在…親筆簽訂。 be given to 喜歡,癖好 (be much given to reading and studying 喜歡看書學習)。 n. (推理過程中的)已知事物。 It's taken as a given. 這被認為已知。
Tdma allocates each user a different time slot on a given frequency Tdma在給定頻率為每個用戶分配不同的時隙。
The system can make the total signaling rate very close to the nyquist rate of given frequency band through the use of a lot of subchannels 該系統(tǒng)利用大量的子信道使得總的信號速率能夠非常接近給定頻帶的奈奎斯特速率。
Please give frequency of collection for wild resources , how much is the max collection for environment and the kinds of species not affected long time 3請說明野生資源的采集頻率(或強度) ,為了長期不影響生態(tài)系統(tǒng)和物種的多樣性,可以采集的最大量應該是多少?
Based on observations , planck in 1900 figured that a heated body releases light of a given frequency , or color , in discrete amounts called quanta 1900年,普朗克根據(jù)實驗的觀察推論出,一個受熱的物體在放出某種頻率(或顏色)的光時,是以稱為量子的不連續(xù)量放射。
In electronics , pertaining to an amplifier or circuit having a frequency respo nse characteristics that is uniform , within defined limits , across a given frequency range 在電子學中,用來修飾或說明一種放大器或電路,這種放大器或電路在一個給定的頻率范圍內,具有均勻的頻率響應特性。
This thesis mainly analyze the structure of switch the circuit ' s form and some of manufacturing technic . under the given frequency band , the switch has flat capability of insert loss and isolation , and can satisfy the need of millimeter - wave system 本課題主要對開關的結構、電路形式及制作工藝等方面進行了一定的分析,使得毫米波鰭線pin管開關在給定頻率范圍內,具有平坦的插入衰減和隔離度特性,滿足毫米波系統(tǒng)的需要。
The experiments of motor without and with load on a given frequency are completed in this paper . these results are compared and analyzed . the feasibility of the scheme is validated through the analysis of the results 通過理論分析和對控制系統(tǒng)的設計,作者在dsp電機控制教學實驗及系統(tǒng)開發(fā)平臺上對六邊形磁鏈控制算法進行了初步的開環(huán)實驗,完成了電機在一定頻率下空載和帶負載的實驗,并對實驗結果進行了對比分析,結果驗證了系統(tǒng)設計方案的可行性。
The loaded - line - type , switched - line - type and reflection - type phase shifters are studied in this thesis . considering the defect of loaded - line phase shifter , a new type of switched - line with loaded - line phase shifter is proposed in this thesis . this design not only make advantageous debugging of circuit , but also minimize phase - error in a given frequency band 本文對加載線型、開關線型和反射型移相器進行了分析研究,并針對開關線型移相器的缺陷,提出了一種加載式的開關線型移相器設計方法,不但便于對電路進行調試,也減小了一定帶寬內的相位誤差。
It mainly includes following aspects : in this paper , firstly implication of wavelet analysis in signal harmonic component extraction is presented in detail , and on this foundation signal given frequency band component extraction method is proposed . then we investigate frequency aliasing phenomenon , reason why frequency aliasing phenomenon is easy happened when wavelet is implied in field of motor fault diagnosis , and frequency bands where frequency aliasing phenomenon is easer happened , and put forward approved morlet wavelet analysis method which can effectively alleviates frequency aliasing phenomenon . third we set up vibration signal detected system , design experiments to obtain three groups of fault signals : eccentricity fault , mixed fault of eccentricity plus mild rub , mixed fault of eccentricity plus moderate rub , and process these data using analysis method proposed in this paper 首先對論文的選題以及相關背景進行了探討,并對相關的小波基礎理論進行了闡述,主要針對感應電動機的偏心故障和偏心+碰摩復合故障形式及相關的應用算法進行了詳細探討,主要工作內容包括下面幾個方面:在論文中,首先對小波分析在信號的諧波分量提取中的應用進行了研究,在此基礎上,提出了信號的特定頻帶成分的提取方法;研究了小波分析的頻域混疊現(xiàn)象,探討了小波分析應用于電機故障診斷領域時易發(fā)生頻域混疊現(xiàn)象的原因,以及混疊現(xiàn)象較易發(fā)生的頻帶,提出了可以有效減輕頻域混疊現(xiàn)象的改進的morlet小波分析方法;搭建了振動信號檢測系統(tǒng),設計實驗采集得到三組故障數(shù)據(jù):偏心故障,偏心+輕微碰摩復合故障,偏心+中度碰摩復合故障,并對這些數(shù)據(jù)應用本文提出的分析方法進行信號處理,提取出的特征參數(shù)可有效區(qū)分這兩種故障形式;研究了基于matlab和labview的混合編程方法,完成了電機故障檢測系統(tǒng)的軟件開發(fā)。