q quality factor中文意思是什麼

q quality factor 的中文意思

q quality factor 例句

1. The q , or q uality factor , of an oscillatory system is a very widely used term.
   一個振動系統的Q，即質量因子，是一個應用極廣的概念。
2. The impacts of the substrate pn junction isolation on the inductor q uality factor ( q ) are studied and experimental results show that a certain deep substrate pn junction isolation achieves good improvement
   結果表明這種方法是可行的， b一一定深度的襯底pn結隔離能有效的使q值提高。
3. 3. the distance of metal wire and ground is smaller, the effective permeability leff, q uality factor q and resonance fre q uency srf is also smaller ; the coil turns increases leff will increase, the q value and resonance fre q uency srf will drop ; the line width increases leff will drop, resonance fre q uency srf will increase and the q value is nearly invariable ; the via size, the pad layer size and thickness is little effect the effective permeability leff and resonance fre q uency srf but seriously influence q value
   3金屬導線離地的距離越小，有效電感值leff 、品質因子q 、自諧振頻率srf也越小;線圈圈數增加， leff增加， q值和自諧振頻率srf下降;線寬增加， leff下降自諧振頻率增大q值幾乎不變;通孔大小、覆蓋層的大小及厚度對有效電感值leff和自諧振頻率srf沒有多大影響，但對q值影響較大。
4. This paper chooses the indicators of economy and land q uality input which has influence on the output, depending on cd - productive function to establish the function between input and output : y : productive forces of the cultivated land f : input of the fertilizer and agricultural chemical i : input of the irrigation l : input of the labor q : input of the land q uality a : the level of average management t : the level of changing management a, b, c, d, f : productive elasticity coefficient the factor of the land q uality includes texture, content of the organic matter, degree of the pickled, the structure of the soil
   本項研究選擇了影響農用地總產出的經濟投入指標和土地質量投入指標，藉助c - d生產函數，建立土地投入產出的函數關系： y = a ? e ~ （ ft ） ? f ~ a ? i ~ b ? l ~ c ? q ~ dy為以土地總產值表示的土地生產力f為化肥和農藥的投入i為灌溉投入，即灌溉所需用的水電費l為勞動力投入（考慮了農業機械投入的修正） q為土地質量投入a為平均管理水平t為變化的管理水平a 、 b 、 c 、 d 、 f分別為各相應生產要素的產出彈性系數其中，土地質量因子包括表土質地（ t人有機質含量矚入鹽漬化程度px土體構型p ）等。他們之間的關系為： q （ a ； xt a 。
5. Methods of calculating the inductor ' s q uality factor and inductance are studied. experimental results are analyzed in detail and some results are obtained : q uality factor q decreasing with the increase of turns n ; inductance l proportional to turns n2 ; series resistance rs increasing - iv - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ as g - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ with fre q uency due to skin effect
   得出了一些有用的結論如平面螺旋電感的q值隨著圈數n的增加而減小；電感量與圈數n的平方成正比；高頻時，圈數越多，串聯電阻的趨膚效應越厲害，阻值越大等。
6. Hi - q high q uality factor
   高品質因數
7. Chapter 2 : using a so - called variance matrix, we studied the propagation and the focusing characteristics of the paraxial light beams. the q uantities characterizing the gross features for a paraxial optical beam, such as the beam width, the divergence, the curvature radius of the wavefront, the complex beam parameter q . and the beam q uality factor , are related by using variance matrix
   第二章：闡述了常數折射率介質中光束的傳輸和聚焦，建立了表徵傍軸光束總的特徵的量，如：束寬、衍射發散角、波前曲率半徑、復光束參數q與變換矩陣的關系，得到了光束質量因子和變換矩陣行列式的定量關系。
8. There are many optical depletion mechanisms, such as diffraction depletion, the transimission of a reflector, scattering of the medium in the cavity, non - life absorption and so on, so the q uality factor ( q factor ) is low. in
   利用這種微諧振腔製作的激光器，其自發輻射頻率落在光子晶體的禁帶范圍內，有效降低了激光振蕩的閾值，從而使激光器具有低閾值高效的特點。
9. The q , or q uality factor , of an oscillatory system is a very widely used term
   一個振動系統的q ，即質量因子，是一個應用極廣的概念。
10. At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load q uality factor ( q l ) is more than 1000 on the q uartz piezoelectric with zero of first temperature factor in the research. these difference fre q uencies are 60mhz, 280mhz, 739mhz and 1ghz of normal fre q uency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as fre q uency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db
    本研究採用一階溫度系數為零的壓電石英基片上製作出損耗小於5db 、有載品值因素（ ql值）超過1000的一系列低損耗、高q值聲表面波rayleigh波或stw諧振器，頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波諧振器。並採用噪聲系數為1 . 25db的低噪聲系數放大器，精心設計電路，優化設計布置印製電路板，用標稱頻率為1ghz的聲表面波諧振器為頻率控制元件，製作出在偏離載頻1khz處的單邊帶相位噪聲近- 120dbc / hz 、雜波抑制達80db以上的低相位噪聲聲表面波振蕩器。
11. In the fifth chapter, the performance of transconductor - capacitor ( gm - c ) continuous time filter is discussed. due to process variation and parasitics, an automatic tuning is designed for center fre q uency and q uality factor q . also, in this chapter, a two order bandpass filter with tunable is designed. the effects on filter ' s performance of the non - idealities of a cmos ota are studied and the computer simulations at the mos transistor level are carried out
    第五章討論了跨導電容連續時間濾波器的性能特點，設計了一個中心頻率可調的二階帶通濾波器，為了使濾波器參數自動調整到設計標準值，從而保持其設計值的實現精度，論文給出了片內自校正（可調諧）環節。
12. Also discussed the methods on how to realize the cwt both in time - domain and fre q uency - domain and how to design the gm - c bandpass filter used in realization of cwt. in order to optimize the performance of gm - c filter, linearization techni q ues are investigated and proposed. due to process variation and parasitics, an automatic tuning is designed for center fre q uency / 0 and q uality factor q also, in this thesis, 16 - channel analogue cmos cwt circuit has been realized
    論文圍繞連續小波變換的模擬電路實現這一熱點問題，討論了連續小波變換的時域和頻域實現方法；具體分析了并行結構與串列結構的優缺點；研究了頻域法中的跨導-電容帶通濾波器的設計；給出了改善跨導輸入級傳輸特性的線性程度並擴大線性范圍的具體方法；設計了片內自校正（可調諧）環節使濾波器參數自動調整到設計標準值；最後給出了16通道濾波器組實現小波變換的方法。
13. We prepared sample l, sample 2 with single coil. and sample 3, sample 4 with two series coils. in this paper we discussed the fre q uency - dependence of theis inductance, resistance and q uality factor ( q - value ) in a range of l00mhz - l0ghz
    本實驗中製作了單個線圈的樣品1和樣品2以及串聯的樣品3和樣品4 ，文中報告了這些薄膜電感的電感、電阻和q值在100mhz - 10ghz范圍內的頻譜特性。
14. Fibre optic communication subsystem test procedures - digital systems - averaged q - factor determination using amplitude histogram evaluation for optical signal q uality monitoring
    光纖通信子系統試驗程序.數字系統.光信號質量監控用採用振幅柱狀圖評定的平均q因子的測定

與 q quality factor 相關的詞彙

q quality factor 的相似字

瀏覽更多英漢字典詞條

前往 英漢字典目錄 瀏覽全部詞條。