differential range 中文意思是什麼

differential range 解釋
壓差高度范圍
  • differential : adj 1 差別的,區別的;特定的。2 【數學】微分的。3 【物、機】差動的,差速的,差示的。n 1 (鐵路不...
  • range : vt 1 排列;整理(頭發等)。2 使歸類[班、行、隊];把…分類。3 〈用被動形或反身形〉加入,站住…的一邊...
  1. This paper uses for reference with an example of frame - shear wall structure and studies the conceptual design and method for optimizationof structural system. through establishing frame - shear wall structure unisonous differential eguation and finding a result, the side shifting curve, moment and shear force distribution curve are obtained under inverted triangle load action on the frame - shear wall structure. after analyzing and comparing, the range of best rigid characteristics for such structure has be gotten

    本文結合框架-剪力墻實例,研討了結構體系的概念設計和整體優化方法。通過建立框-剪結構協同工作的微分方程及求解,得出框-剪結構在倒三角形荷載作用下的側移曲線、彎矩、剪力分佈曲線,經分析對比,得出框-剪結構最佳剛度特徵值區間。
  2. Although no regular relationship between the modulus and v existed, it still could be shown that the good auxetic properties did exist in the polyolefin blends whose modulus differential was in the range from 800 to 1000 mpa between two phases

    模量研究結果表明組分的模量組成與共混體系的泊松比值並無有規律性的聯系,但兩相模量差在800一io00mpa范圍內體系呈現很好的負泊松比效應。
  3. This paper focuses on the research of the stress mechanism of the ribbed shell structure in statics, dynamics and under the explosive load on the basis of the engineering practice of cave depot of single aircraft. in this paper, according to the classical shell theories, the basic differential equilibrium of the ribbed shell structure and the finite element analysis of 3d rippled plate are established, in which the function of annular ribs reinforcement bars and 3d ripped steel plates are distributed in the range of the steel, and the functions along the longitude direction of tension, bending, and torsion are neglected ; applied with dynamic analytical theory, the dynamic model of ribbed shell structure and the analytical theory model of elastic - plastic are set up ; the triangle series method is used to solve the displacement and stress under the distributed load and the concentrated load of the ribbed shell structure

    本文以軍用機場地面單機掩蔽庫工程建設為工程背景,首次對內襯三維波紋鋼板混凝土拱型復合結構的受力機理進行了靜力、動力和爆炸荷載的分析研究。根據將橫肋、鋼筋及三維波紋鋼板的作用均勻分佈在殼體范圍內的情況,忽略橫肋、鋼筋及三維波紋鋼板沿殼體母線方向的抗拉、抗彎及其抗扭作用,首次推導出了內襯三維波紋鋼板混凝土殼體的微分平衡方程,建立了有限元計算模型,並採用三角函數法,求解了三維波紋鋼板混凝土拱型復合結構在分佈荷載和集中荷載作用下的位移響應和應力響應,並與普通殼體進行了比較。
  4. The design of variable gear with extension speed range based on characteristic diagram of planetary differential

    特性圖的擴大調速范圍型無級變速器的設計
  5. Become a kind of new electronics circuit - current - mode circuit. it is replacing the traditional design method of the voltage - mode in the high frequency high - speed signal processing realm 。 this thesis mainly discussed the modified second - generation current conveyors based on the current - mode kinds of new cuicuit components, they are stronger modified standard current - mode parts in fuctions on this foundation. mainly including the modified differential difference current conveyor ( mddccii ) 、 the fully balanced second generation current conveyor ( fbccii ) 、 ( full balances ) four - terminal floating nullor ( fbftfn ) and the current differencing buffered amplifier ( cdba ), they are all function very strong standard current - mode parts, they all can provide some circuit functions of better than general operation amplifier, because they have the voltage importation and the current importation, therefore use it since can carry out the voltage - mode signal processing circuit expediently, can also carry out the current - mode signal processing circuit expediently, and have to increase the benefit bandwidth to accumulate more widely than the voltage - mode, but have their advantages more according to the current - mode filter of the modified current conveyor, because it constitutes in brief, the filter wave function is stronger and they are better than in general use operation amplifier of many advantages, be easy to composing for example 、 high speed 、 frequency bandwidth 、 the power supply voltage requests low 、 consume small, the impedance is different from etc. advantages, otherwise they have biggish dynamic range, and flexible circuit synthesize, so they are the best active parts

    從第二代電流傳輸器ccii入手,重點研究了以下幾種改進型的第二代電流傳輸器:改進的差動差分電流傳輸器mddccii 、全平衡第二代電流傳輸器fbccii 、多輸出四端浮地零器ftfn 、全平衡四端浮地零器fbftfn 、電流差分緩沖放大器cdba的電路結構及其模型。然後在此基礎上系統地研究了基於這幾種改進型的第二代電流傳輸器的濾波器的設計方法,主要方法和結果如下:利用mddccii設計了差分式連續時間電流模式低通、帶通濾波器;電流模式跳耦結構考爾低通濾波器;利用fbccii設計了帶通二階節濾波器及電流模式雙二階通用濾波器;設計了基於多輸出端ftfn的電流模式二階通用濾波器電路;通過數字化開關選擇的基於fbftfn的電流模式通用濾波器;設計了基於最少個數電流緩沖放大器(兩個cdba )的多功能通用電流模式濾波器及其在非理想因素情況下分析。設計濾波器的主要方法是採用級聯設計、運算模擬(信號流圖法)和反饋設計(跳耦法) 。
  6. In accordance to comprehensive analysis of the transient heat and mass transfer through the adobe building enclosure in the hygroscopic range, it is first to draw up the combined thermal and moisture transfer differential equations through wall - made - of - rammed - soil

    通過對處于吸濕區范圍的生土建築圍護結構的傳熱傳質規律的詳細分析和研究,首次建立了生土建築圍護結構的熱質遷移微分控制方程。
  7. A presentation of the fundamentals of modern numerical techniques for a wide range of linear and nonlinear elliptic, parabolic and hyperbolic partial differential equations and integral equations central to a wide variety of applications in science, engineering, and other fields

    本課程講授求解不同線性及非線性橢圓、拋物線及雙曲線偏微分方程式與積分方程式等之現代數值技巧基礎,並強調在許多科學、工程及相關領域上的應用。
  8. The thesis has done the widespread investigation and study to the domestic and foreign ’ s technologies of analogy low voltage and low power, and analyzes the principles of work, merts and shortcomings of these technologies, based on the absorption of these technologies, it designs a 1. 5v low power rail - to - rail cmos operational amplifier. when designing input stage, in order to enable the input common mode voltage range to achieve rail - to - rail, it does not use the traditional differential input pair, but use the nmos tube and the pmos tube parallel supplementary differential input pair to the structure, and uses the proportional current mirror technology to realize the constant transconductance of input stage. in the middle gain stage design, the current mirror load does not use the traditional standard cascode structure, but uses the low voltage, wide - swing casecode structure which is suitable to work in low voltage. when designing output stage, in order to enhance the efficiency, it uses the push - pull common source stage amplifier as the output stage, the output voltage swing basically reached rail - to - rail. the thesis changes the design of the traditional normal source based on the operational amplifier, uses the differential amplifier with current mirror load to design a normal current source. the normal current source provides the stable bias current and the bias voltage to the operational amplifier, so the stability of operational amplifier is guaranteed. the thesis uses the miller compensate technology with a adjusting zero resistance to compensate the operational amplifier

    本論文對國內外的模擬低電壓低功耗技術做了廣泛的調查研究,分析了這些技術的工作原理和優缺點,在吸收這些技術成果基礎上設計了一個1 . 5v低功耗軌至軌cmos運算放大器。在設計輸入級時,為了使輸入共模電壓范圍達到軌至軌,不是採用傳統的差動輸入結構,而是採用了nmos管和pmos管並聯的互補差動輸入對結構,並採用成比例的電流鏡技術實現了輸入級跨導的恆定;在中間增益級設計中,電流鏡負載並不是採用傳統的標準共源共柵結構,而是採用了適合在低壓工作的低壓寬擺幅共源共柵結構;在輸出級設計時,為了提高效率,採用了推挽共源級放大器作為輸出級,輸出電壓擺幅基本上達到了軌至軌;本論文改變傳統基準源基於運放的設計,採用了帶電流鏡負載的差分放大器設計了一個基準電流源,給運放提供穩定的偏置電流和偏置電壓,保證了運放的穩定性;並採用了帶調零電阻的密勒補償技術對運放進行頻率補償。
  9. The simulation results in this thesis indicate that, its settling - time to full swing is 15ns with 3v supply, the total static power dissipation is less than 50mw, the differential nonlinearity error is 0. 58lsb, the integral nonlinearity error is 0. 54 lsb, spurious free dynamic range is more than 60db, and the output current can be adjusted

    本課題設計的數模轉換器性能指標為:工作電壓3v ,建立時間15ns ,微分非線性誤差0 . 58lsb ,積分非線性誤差0 . 54lsb , sfdr高於60db ,總功耗不到50mw ,輸出電流可調。設計成果可應用於數據處理和控制系統電路中,具有一定的先進性和實用價值。
  10. In the third chapter, a methodologies to realize second - order band - pass filter with which center frequency tuned in a wide range using mcdi ( multiple output current - mode differential integrator ), these two kinds of mcdi are composed of pmos and nmos input transistors respectively, lastly we compare these two integrators " merits and disadvantages

    第三章:提出了輸入級分別為pmos管、 nmos管的多輸出端電流模式全差分積分器,並由此構成了中心頻率連續可調的二階帶通濾波器,同時比較了二者的優缺點。
  11. It is also proved that gdop is smaller with differential measurement than pseudo range measurement. in practice, we can use

    在實際應用中,可以採用差分方法來減小區域導航系統的幾何精度因子數值以提高定位精度。
  12. State guided prices refer to commodity prices and service fee rates determined by enterprises within the guidelines prescribed by the commodity price departments and the competent departments of the various people ' s governments at county level and above in accordance with their area of jurisdiction as stipulated by the state, through the setting of a fundamental price fluctuation range, a rate differential, a profit rate, a ceiling price and a minimum reserve price

    國家指導價是指由縣級以上各級人民政府物價部門、業務主管部門按照國家規定權限,通過規定基準價和浮動幅度、差率、利潤率、最高限價和最低保護價等,指導企業制定的商品價格和收費標準。
  13. Using high - resolution t1 - weighted magnetic resonance imaging and voxel - based morphometry, we examined a population of 133 healthy adults ( women, 73 ; men, 60 ; age range, 29 - 80 years ) focusing on differential aging between men and women ( i. e., interaction of age and gender )

    利用高解析度的t1加權核磁共振影像和三維象素為基礎的形態測定法,我們研究了133位健康成年人( 73位女性; 60位男子;年齡范圍29 - 80歲) ,重點比較了不同年齡男子和女性的差別。
  14. The small range searching technique can correct 4 more conditions for the first iteration differential and 3 more conditions for the second iteration differential, thus improving the probability and the complexity to find collisions. the whole attack on the md5 can be accomplished within 5 hours using a pc with pentium4 1. 70ghz cpu

    關于hash函數的碰撞攻擊最近幾年取得了舉世注目的成果,王小雲等提出的基於模減的差分分析方法有效地攻破了md4 , md5 , ripmd , haval和sha - 0等一系列hash函數,其攻擊演算法復雜度都低於次壓縮函數運算,在一般的個人電腦上運算都可以找到碰撞實例。
  15. We presented the theoretical model of collisional quantum interference on rotational energy transfer in atom - diatom system, using the theories of time dependent born approximation and quantum inelastic scattering, and taking into account the long - range interaction potentials. the key factors in the determination of the differential and integral interference angles are obtained. co a1 ( v = 0 ) ~ e3 - ( v = l ) system in collision with he is calculated, the calculated values are consistent with the experimental results, but for the partners being ne and ar, the calculated values are not so good

    首次得到了從理論中計算干涉相位角的方法,得出了干涉相位角和實驗條件中各相關量的關系,並計算了coa ~ 1 ( v = 0 ) e ~ 3 ~ - ( v = 1 )和he碰撞誘導轉動能量傳遞過程中量子干涉效應的實驗,計算結果和實驗符合的很好,但是對于碰撞伴是ne和ar的實驗,計算結果不是很好,原因是隨著碰撞伴質量和極化率的增大,相互作用勢更強,應該考慮短程相互作用勢的貢獻。
  16. Range rate of new improved intelligent pressure differential pressure transmitter may reache 1001

    新改進的智能型壓力差壓變送器量程比可達100 : 1
  17. Meanwhile, the key research topics are focused on how to reduce the differential settlement between the main tall building and the anex on soft ground, where to set the post - cast strip, and what cause the smart change of the internal force of plate under the core canister of tall building. an experiential equation for estimating the maximum moment of plate is advanced. a method for calculating the range and the thickness of the local enganced plate and another experiential equatio n for estimating the increment of maximum moment of the local plate are also suggested

    同時著重就軟弱地基中減小高層建築主裙房之間沉降差異的措施、施工后澆帶的設置位置,以及高層建築核心簡體下筏板內力變化劇烈等問題展開了分析,提出了筏板最大彎矩估算值的經驗公式,獲得了簡體下局部筏板加厚處加厚范圍及加厚厚度的取值方法及加厚處最大彎距增幅估算值的經驗公式,為今後設計同一類型高層建築提供一些借鑒。
  18. Our standard range offers industrial users gauges and sensors for acquisition and display tasks based on overpressure, absolute and differential pressure in all relevant media

    我們的標準服務是提供工業儀表和傳感器,以用於基於各種介質超壓力,絕對壓力和壓差的測量作業。
  19. The voltage - controlled oscillator and the dual - modulus prescaler are the most crucial blocks in the pll frequency synthesizer. two kinds of voltage - controlled oscillator ( the quadrature voltage - controlled oscillator based on symmetrical spiral inductors and differential varactors, and the voltage - controlled oscillator with wide tuning range based on mos varactors ) and two kinds of prescaler ( the prescaler using phase - switching techniques, and the prescaler using dynamic circuit techniques ) are proposed. then, the complete pll frequency synthesizer is implemented, in which

    壓控振蕩器和雙模預分頻器是鎖相環型頻率合成器中最關鍵的兩個模塊,本論文分別實現了兩種類型的壓控振蕩器(採用對稱螺旋型電感和差分二極體型容抗管的正交壓控振蕩器和使用mos型容抗管的大調諧范圍壓控振蕩器)和兩種類型的雙模預分頻器(使用相位開關技術的雙模預分頻器和使用動態電路技術的雙模預分頻器) 。
  20. Experimental research of gps pseudo - range differential position

    偽距差分定位技術的試驗研究
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