通過分數線 的英文怎麼說

中文拼音 [tōngguòfēnshǔxiàn]
通過分數線 英文
pass mark
  • : 通量詞(用於動作)
  • : 過Ⅰ動詞[口語] (超越) go beyond the limit; undue; excessiveⅡ名詞(姓氏) a surname
  • : 分Ⅰ名詞1. (成分) component 2. (職責和權利的限度) what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] (料想) judge
  • : 數副詞(屢次) frequently; repeatedly
  • : 名詞1 (用絲、棉、金屬等製成的細長的東西) thread; string; wire 2 [數學] (一個點任意移動所構成的...
  • 通過 : 1 (從一端到另一端) pass through; get past; traverse 2 (同意議案) adopt; pass; carry 3 (以人...
  1. As a result, the electromagnetic field intensity is changed accordingly and fluctuating current in the damper coil is created. damping force is mostly produced because of the phase difference between fluctuating current and displacement of rotor. the formulas of fluctuating current and damping coefficient are deduced theoretically, and the calculated results are consistent with the experimental results

    析發現電磁阻尼器圈內由於轉子渦動時變化的磁場而產生的波動電流與轉子位移間的相位差是產生阻尼的主要原因,推導了波動電流、阻尼系的計算公式,並實驗展示了被動式電磁阻尼器的阻尼效應。
  2. The signal we named it fundamental wave ; according to the fundamental wave, coefficients of the fundamental wave can be lined in a sequence. when the unique of the dissolve of the fundamental wave can be confirmed, the sequence of the coefficients can be regarded as one of representation forms of the signal itself ; theory of dissolvable signal shows that when order of the matrix of fundamental wave sampling equals to number of fundamental waves, the sequence of the sampling values from sampling points must be matched one by one with the sequence of the coefficients of fundamental waves. the sampling composed by sequences of the sampling values must be full sampling ; the relevant deductions of the theory of dissolvable signal shows that when sampling the signal, sampling frequency must be lager than the ratio of the number of fundamental waves to the occupation time of the fundamental waves ; to band - limited signals, when the fundamental wave is a sine signal, the results from the relevant deductions of theory of dissolvable signal is coherent to the classic sampling theory

    本文析認為,當信號集中的任一信號可表示為一系列已知信號的性代和時,信號集便構成可解信號集,已知信號稱為基波信號;對可解信號而言,基波系構成一序列,當對指定的基波信號集解唯一確定時,系序列本身便是信號的一個表示;可解信號采樣定理指出當基波樣值矩陣的秩等於基波時,則由采樣點處的采樣樣構成的樣值序列必與基波系序列一一對應,從而由該樣值序列構成的采樣必為完全采樣;可解信號采樣定理中的推論指出,對信號集進行采樣,采樣頻率必須大於其信號解的基波與其對應時長之比;對有限帶寬信號,若基波信號為正弦信號時,由可解信號采樣定理推論給出的結論與經典采樣定理一致。
  3. The factors limiting the frequency band of the wide - band amplifier are introduced. through analyzing the effects of the intrinsic parameters and parasitical on the frequency characteristics, a method of improving fr of mosfet by using short channel device and making mosfet work at the saturation region through raising vgs is put forward ; the effects of different kinds of circuit configurations on the frequency characteristics and the junction voltage on the voltage pattern circuit, current pattern circuit and frequency characteristics are analyzed. according to the linear theory of transconductance which is applied in the bit circuit, the current pattern amplifier circuit, current transfer circuit and output circuit which consist of mosfet and the wide - band amplifier composed of them are put forward

    介紹了限制寬帶放大器頻帶寬度的因素,析mosfet的本徵參、寄生參對頻率特性的影響,提出了採用短溝器件、使mosfet工作在飽和區、抬高柵源電壓等提高mosfet特徵頻率的方法;析了不同電路組態對放大器頻率特性的影響、節點電壓對電壓模電路、電流模電路頻率特性的不同影響,根據應用於雙極晶體管電路的跨導性原理,提出了採用mosfet構成的電流模放大電路、電流傳輸電路、輸出電路以及由它們所組成的寬帶放大器,獲得了良好的頻率響應。
  4. The structure and operating principle of an air - charged split - type adjustable shock absorber was described, e non - linear parameterized mathematical model of this shock absorber ' s damping characteristics was established according to fluid mechanics theory and the main structural affection factors to shock absorber ' s damping performance, such as the diameter of piston valve orifice, the diameter of adjustable orifice, the initial volume of gas chamber, the diameter of piston rod, the inner diameter of oil pipe and so on, were analyzed by simulations

    摘要析一種體式充氣可調阻尼減振器的結構和工作原理,運用流體力學理論,建立了該減振器阻尼特性的非性參化模型,模擬析了活塞阻尼閥孔徑、阻尼調節孔徑、氣室初始體積、活塞桿直徑、油管內徑等主要結構參對減振器阻尼性能的影響,試驗測試,得到了減振器樣件的阻尼特性及其可調范圍。
  5. In the method of impulsive synchronization, both seriate system and discrete system have been discussed. a series of discrete hyperchaos systems that have the lowest dimension have been constructed, and we have achieved the impulsive synchronization of discrete system in circuit

    脈沖同步法中,別從連續系統和離散系統兩方面進行討論,構造出一系列具有最低維的離散超混沌系統,並電子路實現了離散系統的脈沖同步。
  6. Established the system of coordinates of roll testing, getting the parameters of equation of tooth face by solving the non - linear equations set ; according to the differential geometry and meshing principle, deduce the curvature parameters of tooth face and tooth profile, and get the parameters of instantaneous contact ellipse. emulate the contact trace and contact area of the working tooth face, and drawing the instantaneous drive ratio error curve

    建立了克林貝格擺齒錐齒輪嚙合析的對滾模型,對非性方程組的迭代求解,得到齒面方程的各個參;由微幾何和切齒嚙合原理推導了齒面上齒廓和齒方向的曲率參,得到了瞬時接觸橢圓的參。根據設計參和機床調整參繪制了工作齒面的接觸軌跡和接觸區圖形,並求得了瞬時傳動比的誤差曲
  7. Naids is the first data mining based anomaly detection system, the first intrusion detection system which lower false positive rate by classification engineering, the first intrusion detection system which put forward sliding windows techniques to carry out incremental, on - line mining

    Naids是第一個基於據挖掘方法的異常檢測系統,是第一個類引擎來降低誤報率的入侵檢測系統,是第一個提出滑動窗口技術實施在增量式挖掘的入侵檢測系統。
  8. In this article, the process of linear departing installation by fire work is mumerically simulated by ansys / ls - dyna, and discusses how to increase the accurateness of numerical simulation

    本文採用ansys / ls - dyna軟體對性火工離裝置的爆炸程進行值模擬,並值模擬理論的析和比較,探討了進一步提高值模擬準確性的方法。
  9. By analyzing phase angle of meshing geometric drawing position, the theoretical formula of cycloid gear actual operating space of cycloid planetary gear speed reducer is driven, at the same time, fitting a curve, and discussing engineering significance of function curve to combine reality

    摘要析嚙合相位角幾何圖形的位置,推導出擺針輪行星減速器中擺輪實際工作范圍的理論公式,畫出了嚙合相位角函的擬合曲,並結合實際討論其函的工程意義。
  10. The dissertation is organized as follow : first, the characteristics of srm and its control system ' s development are introduced. previously major methods used to implement non - position sensor detection and the significance of making search for this direction is generated. and the configuration and fundamental operating principle of srm are analyzed ; some study of linear model and nonlinear model with phase coil as fundamental parameter are presented and sr ' s linear model and nonlinear model are set up

    本文就以上兩個問題進行了深入研究,首先介紹了sr電機及其控制系統的發展歷程,研究無位置傳感器srd的意義和總結已有的無位置傳感器檢測方法,並且析sr電機的結構和運行原理,研究sr電機繞組的性電感模型和非性電感模型,建立了電機的性和非學模型,重點研究sr電機的非性模型,為sr電機運行與控制特性的研究和模擬研究奠定了理論基礎。
  11. Divider, coaxial line, trigger, signal processing, data acquisition, acquisition control and waveform analysis software is included in the device. when the device operate in the system, overvoltage is transferred to coaxial line by the divider. if the overvoltage amplitude is higher than initialization value, data acqusition card start sampling. when sampling is over, computer save data to file. engineer can analyse parameter of waveform by appropriative software reading data from file

    當裝置在運行時,系統中出現的電壓信號壓器傳遞到同軸電纜,觸發電路判斷,如果大於預先設定的值則啟動採集卡的同時采樣,采樣結束后,計算機把據存盤並以文件格式保存,管理人員隨時調用專用軟體調取文件進行各種參析。
  12. Overvoltage amplitude is higher than initialization value, data acqusition card start sampling. when sampling is over, computer save data to file. engineer can analyse parameter of waveform by appropriative software reading data from file. in the trial measurement, the device shows good performance. simulant trial and actual result indicate that method in the paper acquire approving effect, and the device can be used in the lokv distribution network

    當裝置在運行時,系統中出現的電壓信號壓器傳遞到同軸電纜,觸發電路判斷,如果大於預先設定的值則啟動採集卡的同時采樣,采樣結束后,計算機把據存盤並以文件格式保存,管理人員隨時調用專用軟體調取文件進行各種參析。
  13. Presents an overall link level simulation of mobile terminal receiver structure with smart antenna for td - scdma and describes its building blocks. three smart antenna algorithms and four structures of sa - rake arc simulated and compared based on above model

    搭建了td - scdma智能天移動終端模擬平臺,雙天系統移動端接收特性的值模擬,對智能天演算法和4種sa - rake處理結構進行析。
  14. The contacting measurement method with a double probe is put forward after the detailed analysis of the state - of - the - art measuring methods of the thickness of wall. firstly, the theory - profile generatrix is built, and then the movement curve of the track of joint center is constructed, which aims at making the joint center move along the movement curve and keep the fixed sensor touching the wall. the measuring sensor examines the line in its normal direction of the interior wall all the time, the data from the sensor is the thickness value of the wall

    論文析國內外變曲率回轉體壁厚測量的現狀,提出了雙測頭接觸式測量方案:構造理論輪廓母,建立鉸鏈中心的運動曲,使鉸鏈中心始終沿運動曲運動,以保證固定觸頭與傳感器測頭的連始終在內壁法方向上,從而傳感器測頭所得的值即為壁厚值,該方案經模擬測試實驗取得了預期效果。
  15. This thesis in combination with the actual engineering demand, analyzes and designs a horizontally polarized triangular - grid planar phased array antenna, which composed of open - ended rectangular waveguide, the main steps of analyzing and designing are as follows : 1. at first, taking no account of mutual coupling among the array elements, classical electromagnetic theory is used to establish analyzing model for finite array, and initial value parameters of the array structure which basic satisfy the design index are got, these parameters provide reference for subsequent analyzing and design

    本論文結合實際工程需要,析和設計了一個採用水平極化方式的三角形柵格矩形波導相控陣天,其主要步驟如下: 1 .首先,在不考慮陣列單元間互耦影響的情況下,採用經典電磁理論建立有限陣列析模型,析得到了基本滿足設計指標的陣列結構參,為后續的析、設計提供參考。
  16. With the very low water to cement ratio, rpc has ultra - high strength high ductility and low permeability. in this paper, the compressive strength of rpc can reach to a high point with the number approximately 135mpa. as illustrated from the study results, we can approve some fundamental conclusions : there are big effects on rpc with deferent kinds and properties of raw materials and deferent curing conditions ; stress - strain curve shows the process of destroy with rpc samples ; x - ray diffraction analysis indicates that heat treatment at temperatures 90 accelerate the hydration of rpc sharply, therefore, mechanical and microstructural properties of rpc are highly dependent on heat treatment ; it is believed that rpc materials have excellent resistance to chloride permeability ; during the heat treatment, the shrinkage of rpc developed quickly because of chemical reactions ; the rpc with slag mostly has the advantage of rpc without slag about resistance to solutions corrosion

    研究結果表明:對rpc各組摻量變化的研究,可以找到rpc的最優配合比;試件成型后的熱養護制度對rpc的性能影響巨大; rpc的抗壓應力?應變曲可以反映出試件受破壞時微裂紋的擴展情況,剛纖維的摻入可以大幅改善rpc的韌性; rpc在成型后存在較大的收縮,而其中的化學收縮要遠遠大於乾燥收縮; rpc具有很強的抗氯離子滲透性能,漿體的密實度很高;x射衍射實驗,可以發現rpc的膠凝體中ch晶體已經幾乎不存在,膠凝體主要由c - s - h凝膠和未水化水泥顆粒組成;在抗溶液侵蝕的實驗中,摻礦渣rpc的抗溶液侵蝕性能在絕大多情況下要好於不摻礦渣試件,酸、堿溶液和浙江工業大學碩士學位論文摘要一些鹽溶液都會對rpc的結構產生侵蝕作用,但是機理各有不同。
  17. In the following finite element computation of thermal - structural strength of an improved designed radome, not only a result consistent with the tests are achieved, and also obtained displacement of the radome is well meeting the test data, well demonstrating a high accuracy of the finite element method and confidence of its results ; and studying on the temperatures and stresses on the radome leads to some valuable conclusions and suggestions to further development, laying a sound foundati on for further improvement of structural reliability of the radome

    在接著進行的改進方案天罩靜熱強度有限元計算中,不僅得出了與試驗結果一致的結論,而且天罩位移的計算值與試驗據得到了比較好的吻合,驗證了有限元計算的精度及其結果的可信性;並且對天罩溫度與應力的研究與析,得出了一些有價值的結論與建議,為導彈天罩可靠性進一步提高打下了堅實的基礎。
  18. Second, research and analyze the feature of signal of pulse compression radar, and discuss the principle and characteristic of pulse compression technique, that are linear frequency modulation and phase coding. the above two mathematic model is constructed, and shift - frequency noise is imposed on the models, and anti - nose ability is evaluated and simulated

    對脈沖壓縮雷達的信號特徵的研究和析,研究性調頻和相位編碼脈沖壓縮技術的原理和特點,建立了這兩種雷達的學模型,並對此進行移頻干擾和相位編碼雷達干擾,並進行干擾性能的評估和模擬研究。
  19. At the same time, being compared with application of the model for non - linear long waves, the knowledge of characteristics of wave propagation models in near shore area is deepened further

    和非性長波的學模型在具體應用中的對比析,進一步深化了對近岸水域波浪傳播學模型特點的認識。
  20. Finite difference time - domain method is used to calculate the reflection for these probes and absorbing boundary condition is used to deal with the singularity in the axis of the coaxial - line in the simulation. by comparing the reflection of different probes, the best probe has been selected according to sensitive requirement. the influence of parameters : such as thickness of protective film, length of protruding inner conductor of the coaxial - line probe to the measurement has been studied

    時域有限差法進行值模擬析,並採用吸收邊界處理同軸軸心奇異點,計算出各種探頭測量相同溶液的反射系,根據其測量的靈敏度,選出最優設計;並析所選探頭的各種設計參,如薄膜厚度、內導體伸出長度等的變化對測量結果的影響,找出該探頭各參的最佳范圍,使其具有高度靈敏性,以適用於測量化學反應溶液的介電常
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