放大常數 的英文怎麼說

中文拼音 [fàngdàchángshǔ]
放大常數 英文
amplification constant
  • 放 : releaseset freelet go
  • 數 : 數副詞（屢次） frequently; repeatedly
  • 放大 : amplify; magnify; boost; enlarge; blow up; gain; amplification; enhancement; multiplication; magn...
  1. Again call the the ratio, namely the electric voltage of the enlarger s exportation signal with at the same time output s voice ratio for electric voltage, usually use the decibel number to mean. the equipments s letter the ratio is more our output of high enunciation is more little. by any large, letter the ratio is more big, and the elucidation is in the in the signal a the quantity for more smallly, voice returning putting is more high, otherwise contrary. letter the ratio should be generally not lower than 70 dbs, high the letter of the true box the ratio should attain 110 dbs are above

    又稱為訊噪比，即放大器的輸出信號的電壓與同時輸出的噪聲電壓的比，常常用分貝數表示。設備的信噪比越高表明它產生的雜音越少。一般來說，信噪比越大，說明混在信號里的噪聲越小，聲音回放的音質量越高，否則相反。
  2. The company develops the production the panoramic camera to use 120 or220 roll films, the lens focal distance scope : 28 - 300mm, the fuselageuses the pure metal numerical control processing, but preciselyestablishes the shooting angle, the entire automatic attire volume, receives the volume, and may control remotely the photography, in thephotography may the automatic compensation exposure ; the panoramicpicture enlarger and bright room panoramic picture making anenlargement machine may use in 80 cm length the panoram negative, extremely conveniently manufactures each kind of width the panoramicpicture

    公司研製生產的全景照相機使用120或220膠卷，鏡頭焦距范圍: 28 - 300mm ，機身採用全金屬數控加工，可精確設定拍攝角度，全自動裝卷收卷，並可遙控拍攝，拍攝中可自動補償曝光全景照片放大機和明室全景照片擴印機可用cm長度內的全景底片，非常方便地製作各種寬度的全景照片。
  3. This system would paly more roles either in usual quality control of radiation treatment instruments, or in installation acceptance of new instruments, specification of repaired instruments, and collecting a great deal of data for treatment planning system

    因此它不僅使用在醫院放療設備的日常質量保證中，而且對新設備的安裝驗收、設備大修后的檢測以及治療計劃系統所需要的大量數據，會發揮更大的作用。
  4. The determination of human thymidine kinase ( htk ) in human serum, which is a key indicator of cancers can give information for the diagnosis and treatment of the malign diseases. the protein a layer was first self - assembled onto the gold electrode surfaces of quartz crystals, the monoclonal antibodies were then orientedly immobilized through the specific binding between the fc terminals of the antibodies and the self - assembled protein a. with this sensor, the affinity constant of antigen - antibody binding was estimated to be 1. 85 106 l / mol according to the scatchard ’ s plotting method, which proved the high bioactivity of antibody. finally, an amplified piezoelectric immunosensor was designed to determine the htk in

    實驗中將蛋白a吸附於鍍金壓電石英晶體電極表面，用於定向固定htk單克隆抗體，成功研製了檢測htk的壓電石英晶體傳感器，並基於標準scatchard繪圖法，計算出免疫反應的親和常數為1 . 85 106l / mol ，證明該單克隆抗體具有較高的免疫活性;同時基於酶催化沉澱技術，設計了的檢測htk的質量放大壓電石英晶體傳感器，該傳感器可在0 . 1 - 10ng范圍內對htk進行定量檢測，應用此傳感器成功地對5種癌癥病人血清中htk的濃度進行了測定，實驗結果為癌癥的臨床診斷與治療提供了參考。
  5. Eddy - current sensor conversion circuit consist amplification circuit, band - pass filter circuit, demodulation circuit, differentiation phase and data sampling circuit. these circuits are used to convert the test signal of eddy - current sensor to discrete signal tend to process. the microprocessor system that formed of dsp chip is used to data fitting of test system, data displaying and data communicating with personal computer, etc. the interference questions of hardware design and the measure of eliminating interference signal in the subject are introduced in the last of this chapter

    硬體電路的設計主要分三大部分來實現：激勵源電路部分，由分頻電路和頻率合成電路組成，產生頻率穩定的激勵信號以確保檢測任務的正常進行；傳感器變換電路部分，由放大電路、濾波電路、檢波電路、鑒相電路和數據採集電路組成，主要將電渦流傳感器檢測線圈檢測到的信號變換成只含有被測信息的離散信號，易於后續電路處理；由dsp晶元構成的微處理系統，主要完成檢測系統的數據擬合、顯示及與主機通信等功能。
  6. Usually point a kind of inside to pack the arithmetic figure cent the network with the box of the power enlarger. arithmetic figure type the power enlarger for method for signal for inputting for arithmetic figure comparing, at with arithmetic figure signal handling again and again partitioning the empress, then and respectively these signals transformation is imitating the signal, then again from eachly from of box enlarge the empress to go to again to push the the cowgirl in the box to pronounce the unit

    通常指一種內裝數字分頻網路和功率放大器的音箱。數字式音箱輸入的信號為數字比特流，在用數字信號處理的方法將音頻頻譜分割后，便分別將這些信號變換為模擬信號，然後再由各自的功率放大器放大后再去推動音箱中的相應發音單元。
  7. Numerical simulation results indicate that, for low temperature dust particles, dust particles mainly exist in the area near the column center and their charge - number can be considered as a constant, while in the area where there are no dust particles, ion and electrons are in ambipolar diffusion ; for high temperature dust particles, both the distribution regions of dust particle and high ion density are expanded and dust charge - number is increasing with the distance from the center

    計算結果表明：當塵埃粒子的溫度較低時，塵埃粒子主要集中在圓柱形放電器的中心很小的區域，塵埃粒子攜帶的電荷幾乎是一個常數，受塵埃粒子空間電荷的影響，離子在該區域的密度最高。在遠離中心區域，離子和電子呈現雙及擴散特點；當塵埃粒子的溫度較高時，塵埃粒子分佈的區域和高離子密度區域擴大，塵埃粒子離放電器中心越遠，攜帶的負電荷越多。
  8. With the thermodynamic theories and techniques, it is relatively easy to determine the phase equilibrium data with enough accuracy, however there still exist much more difficulties in crystallization kinetics study even for a simple binary system. that is the reason that nucleation and crystal growth rate are generally represented in form of the empirical expressions. the crystallization kinetic is important for crystallizer design, process control and optimization, and it is strongly depended upon the accurate characterization of process information concerning with multiphase flows and the further disclose of its mechanisms with suitable mathematical models

    熱力學理論和方法已足以獲得準確的相平衡關系；然而即使對于簡單的二元物系的結晶過程，晶核形成和晶體生長動力學的研究仍面臨許多困難，通常採用經驗模型表述，而動力學參數的準確性和可靠性是結晶器放大設計、過程式控制制與優化的關鍵，因此多相流信息的準確表徵、結晶機理的進一步揭示及建立起與之相適應的數學模型有著十分重要的學術研究和實際應用價值。
  9. The method for design thin - wall core box cast - in - site concrete hollow floor using common structural computing software is put forward and the scale for the magnifying stiffness coefficient of the spandrel beam and middle beam is discussed

    5 、提出了採用常用的結構計算軟體計算薄壁箱體現澆混凝土空心樓蓋設計的方法，提出了邊梁和中梁剛度放大系數的建議。
  10. Because of the using of interpolation, noise shaping and switching amplification in the digital audio amplifier technology, the power supply modulator is not only much efficient but also behaving good in envelope amplification, this advantage is hard to implemented with conventional technology

    數字音頻功放技術是近年發展起來的高效率音頻放大技術，該放大技術採用了過取樣、噪聲整形等數字音頻處理演算法和開關功率放大。採用該技術實現的電源調制器不但具備很高的效率，而且能高指標地放大包絡信號，是常規的電源調制技術無法實現的。
  11. The components, working principle, advantages and defects of pwm power amplifier are introduced briefly in the dissertation. the working characteristics of h - bridge pwm power amplifier in double - polarity mode is analyzed qualitatively and qualitatively and the conclusion that fluctuant magnitude and continuousness of armature current are the essential parameters which can be used to evaluate pwm control modes

    論文簡要介紹pwm功率放大器的組成、工作原理、特點及存在問題；對常見h型雙極性模式pwm功率放大器的工作特性作了定性和定量的分析，指出了電樞電流脈動量和電樞電流連續與否是衡量pwm控制方案優劣的兩個本質參數。
  12. And although fireworks have been banned in most places because of their danger, most towns and cities usually have big fireworks displays for all to see and enjoy

    如今，盡管大多數地方為了安全起見而禁放鞭炮了，但大部分城鎮通常採用集中大型燃放鞭炮的方式來讓所有的人觀看和欣賞這一盛景。
  13. The signal testing unit examines directly the production parameter - the belt " s velocity and sends out electrical signal similar to sine wave. the signal handling and analyzing unit disposes of the sensor " s output signal by amplifying, plasticisering a / d transforming and measuring and displays it digitally. after the alarming and controlling unit compares the testing signal with the standard one and analyses, it will show the normal production situation or alarm at the abnormal state and control the related equipments if it is necessary

    信號檢測單元直接檢測皮帶速度，並輸出近似正弦波的電信號：信號處理與分析單元對傳感器輸出信號進行放大、整形、 a d轉換和計算等處理，並進行數字顯示；預警、報警、控制單元將信號與標準信號進行比較，經分析后顯示正常狀態或對異常狀態進行聲、光預警、報警。
  14. It can be used to show read - only views of a small amount of data or it can be scaled to show editable views of very large sets of data

    它可以用來顯示少量數據的只讀視圖，或可以縮放以顯示非常大的數據集的可編輯視圖。
  15. It can be used to show read - only views of a small amount of data, or it can be scaled to show editable views of very large sets of data

    它可以用來顯示少量數據的只讀視圖，或可以縮放以顯示非常大的數據集的可編輯視圖。
  16. The formulas of three kinds of loaded ultrasonic transformers are presented ; then, the graphs of resonance frequency and the amplitude magnification coefficient, following the change of load, are charted by the programs of matlab

    得到了三類常用變幅桿頻率方程和放大系數的表達式；並通過matlab編程，分別繪制了三類變幅桿共振頻率及放大系數隨負載變化的曲線圖。
  17. In succession, the theory of chirped - pulse amplifier system is given in detail, firstly, studying from designing experimental light road and optical components to theoretical analysis, we par ' tly finished the system by ourselves. about ultr a - shoft pulse with a pulse - width of 9. 8f s and output power of 650mw and band - width of about l 20nm is output from oscillator source, secondiy, the stretching capacity of single grating four - pass stretcher is measured using abcd matrix combining collins function, and the effect of relativ e parameters to the streching ratio is also simulated. thirdly, a new type of disjunctional frequency moduiating function is provided according to the gain - narrowing and gain - saturation which are appeared in the co urse of amplification, under modulating the two effects are both controlled on some e xtent, fourthiy, the effect of ase that is often ignored by people is analyzed and the resolving methods are also given

    從光路、光學元件的自行設計到理論分析計算，初步建立了一臺實驗系統；採用abcd矩陣法結合collins公式計算了四通式單光柵展寬器的展寬量，並模擬了相關參數對展寬比的影響，對實驗具有指導意義；評價了再生放大器和多通放大器的優缺點，對放大過程中通常忽略的放大自發輻射現象（ ase ）進行了分析，並提出了相應的解決方法；針對放大過程中出現的增益窄化和增益飽和現象，對輸入種子脈沖提出了一種新的分段頻率調制函數，實現了對增益窄化效應和增益飽和效應的共同抑制；提出了系統的材料（包括放大介質和光路中的普通介質）正是融合高階色散的來源。
  18. Although most retailers would not purposefully place products rated high on disgust in contact with other products on their shelves, it appears to occur fairly frequently in practice

    雖然大多數零售商不會有意將高厭惡度的商品和其他商品擺放在一起，但這樣的確是時常發生的。
  19. Its presence as the first color in most of the sequences indicates that a customer is very likely to put the mountain - 200 bike in the shopping basket first

    該產品模型在大多數序列中以第一種顏色出現，表示客戶非常可能先將mountain - 200自行車放入購物籃。
  20. Sampling frequency and time constant of phase - locked amplifier were increased by using microcomputer

    採用計算機采樣，提高了采樣頻率和鎖相放大器的時間常數。
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