階梯波形 的英文怎麼說

中文拼音 [jiēxíng]
階梯波形 英文
staircase waveform
  • : 名詞1. (臺階) steps; stairs 2. (等級) rank 3. [醫學] (耳蝸的三個螺旋管的任一個) scala 4. [數學] order 5. [地質學] stage
  • : Ⅰ名詞1 (梯子; 樓梯) ladder; stairs; steps; staircase 2 (姓氏) a surname Ⅱ形容詞(形狀像樓梯的...
  • : Ⅰ名詞1 (波浪) wave 2 [物理學] (振動傳播的過程) wave 3 (意外變化) an unexpected turn of even...
  • 階梯 : (臺階和梯子, 比喻向上的憑借和途徑) a flight of stairs; ladder; staircase; step
  • 波形 : [物理學] wave form; shape; wave pattern; wave profile
  1. Topics include : planets, planet formation ; stars, the sun, " normal " stars, star formation ; stellar evolution, supernovae, compact objects ( white dwarfs, neutron stars, and black holes ), plusars, binary x - ray sources ; star clusters, globular and open clusters ; interstellar medium, gas, dust, magnetic fields, cosmic rays ; distance ladder ; galaxies, normal and active galaxies, jets ; gravitational lensing ; large scaling structure ; newtonian cosmology, dynamical expansion and thermal history of the universe ; cosmic microwave background radiation ; big - bang nucleosynthesis

    課程的主題包含了:行星、行星成;恆星、太陽、正常的恆星、恆星成;恆星演化、超新星、緻密天體(白矮星、中子星及黑洞) 、霎、雙x -射線源;星團、球狀及疏散星團;星際介質、氣體、塵埃、磁場、宇宙射線;距離;星系、正常及活躍星系、噴流;重力透鏡;大尺度結構;牛頓宇宙學、宇宙的動力膨脹及溫度發展歷史;宇宙背景微輻射;大霹靂核合成。
  2. Take integrity of object information into condition, a two - dimension signal processing method which can make a measurement of the target ’ s speed as well as the range is brought forward at the basis of waveform parameter design. and simulation in the background of hf multi - object with noise is taken. a comparison of signal properties, processing and antinoise detection performance is taken between mcpc and another two high range resolution radar signals : single carrier pulse coded signal and step frequency pulse coded signal

    考慮到目標信息提取的相對完整性,以高頻雷達為背景,在對多載相位編碼脈沖串信號參數設計的基礎上,推導了三種多載頻相位編碼脈沖串信號的距離速度二維處理過程並相應的對多目標噪聲環境進行了模擬;將多載相位編碼信號與另外兩種距離高分辨信號:單載頻相位編碼信號和相位編碼跳頻信號,在信號特性、處理過程和抗噪聲特性方面進行了對比;本文從理論上為多載相位編碼信號的設計和分析、信號的處理打下基礎。
  3. We studied the multimode coupling matrix of the key waveguide discontinuity, waveguide step, with the modal fields expansions in waveguides. and obtained the relations with the multimode coupling matrix, the generalized admittance matrices and the generalized scattering matrices. we have compiled some subroutines in fortran 95 programming language to compute the multimode coupling matrix, admittance matrices, scattering matrices and their operates with each other

    並利用fortran95程序設計語言編寫了用來計算的多模耦合矩陣、多模耦合矩陣與廣義導納矩陣的級聯、廣義導納矩陣之間的級聯以及廣義導納矩陣和廣義散射矩陣之間的互相換算等的矩導平面不連續性模式分析的子程序。
  4. Biology, etc. owing to many merits has not yet been used to measure parameters of gratings. the paper researches on the subject in view of current lack of it. the main tasks of the paper include : analyzing ellipsometric characteristics of gratings in detail with vector diffraction theory and ellipsometrics ; devising a reflective quarter wave plate at normal incidence according to some ellipsometric characteristics ; making use of normal simplex algorithm during ellipsometric inversion of gratings parameters, inversing ellipsometric parameters with gaussian noise of different standard deviations to simulate actually measured values with examples of isotropic metallic and anisotropic step gratings and testing that ellipsometry about gratings parameters is feasible with the range of certain precision ; discussing choice of incidence angle at length

    本論文的主要工作包括:結合光柵的矢量衍射理論和薄膜的橢偏理論,詳細分析了光柵的橢偏特性;並且根據一些橢偏特性設計出一款正入射反射型單長1 4片;在光柵參數的橢偏反演中,引入正單純法作為反演演算法,分別以各向同性的正弦金屬光柵和各向異性的型光柵為例,在標準橢偏值的基礎上加入不同偏差的高斯噪聲來模擬實際的橢偏測量值進行反演,在一定精度范圍內得出滿意的光柵參數,說明光柵參數的橢偏測量是可行的;還就入射角的選取問題進行了一定的探討。
  5. At the same time, the thickness of target should also be in accord with the impact velocity. experiments of quasi - isentropic loading to 93 w alloys by 93w - ofc - tc4 - a1 - mbz system flier - plate with graded wave impedance were performed on light gas guns. the corrected visar - measured wave profiles were profiles with an initial velocity jump followed by a stepwise - rising front to the peak velocity amplitude, indicating that quasi - isentropic compression energy waves had been successfully generated

    在輕氣炮上利用研製的93w - ofc一tc4 . ai一mbz系阻抗度飛片實現了對93w合金(靶材料)的準等嫡壓縮,經修正後的測試都是由一個較弱的初始速度跳躍和一段呈狀緩慢上升的陣面前沿所組成的準等嫡壓縮
  6. Unlike inverters for general purpose, auxiliary inverters of subway vehicle have the characters of high power, wide range of high dc input voltage, entirely sealed electronic units and natural cooling. single pulse width modulation ( pwm ) technology is found to be optimal by comparing several different high power inverter technologies and is utilized in the 2 - channel staircase inverter discussed in this thesis

    針對地鐵車輛輔助逆變電源的大功率、直流側輸入電壓高且變化范圍寬、輸出電壓穩定且質量高,電子部件全密封且要求自然冷卻的特點,分析比較了幾種大功率逆變器技術方案,選擇單邊脈寬調制合成逆變器為研究對象。
  7. The profile of arbitrary shaped groove is approximated by a series of rectangular steps and the " hot " dispersion equation of the coaxial arbitrary - shaped - groove slow - wave structure is derived by the self - consistent theory

    摘要用近似的方法分析任意槽加載的圓導慢系統中的場,採用自洽場理論,得到了任意槽周期加載圓導慢系統在小信號條件下的「熱」色散方程,並對結構參數對小信號增益的影響情況進行了研究。
  8. Continuous - time analog filter is the only method when processing high frequency signal ( usually above 1mhz ) in low power consumption. it has been widely used in the area of communication, electronic measurement, instruments, autocontrol, etc. it ’ s especially used in digital and analog mixed signal processing and communication integrated circuit. current - mode filter becomes the new research direction in the world, as it ’ s high speed, low power consumption and simple configuration

    提出了基於ota的多功能電流模式雙二器,基於ota的八切比雪夫濾器,用模擬lc電路法設計橢圓低通濾器時,在傳統的狀態變量選取方法的基礎上,用改進后的狀態變量選取方法得到了( k + 1 )橢圓函數低通濾器的簡化信號流圖,實現了簡化的基於ota的橢圓低通濾器電路。
  9. Optimization of a novel ladder - type structure tunable optical filter

    新型可調諧光濾器的優化設計
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