輸出能譜 的英文怎麼說
中文拼音 [shūchūnéngpǔ]
輸出能譜
英文
output spectrum-
Most genealogy software programs can output information about persons and their relationships in gedcom format, so it can be shared with other genealogists by e - mail and internet forums or converted into a family web site using online genealogical tools such as ged2html, phpgedview, and phpmyfamily
多數譜學軟體節目可能輸出信息人和他們的關系gedcom格式,因此它可能被分享與其它系譜學家由電子郵件並且網際網路論壇或轉換入一個家庭網站使用網上系統工具譬如ged2html , phpgedview ,並且phpmyfamily 。By solving the stochastic differential equations describing the noise performance of the cmos gilbert mixer, the time - varying power spectral density of its output noise at high frequencies is given
通過求解描述cmosgilbert型混頻器噪聲性能的隨機微分方程,本文給出了該類型混頻器高頻輸出噪聲的時變功率譜密度。The article briefly introduces five basic functions of the calculation software of traditional medicine fingerprint similarity of zhejiang university. 1 input the data. 2 deal with data in advance and compare chromatogram fingerprints. 3 retention time to indentify and math the peaks automatically. 4 the calculation of chromatogram fingerprint similarity. 5 output the result and print it. the software used to calculate the similarity of chromatogram fingerprint is easy to learn
摘要系統地介紹浙大中藥指紋圖譜相似度計算軟體五個基本功能: 1數據導入, 2數據預處理和色譜圖的縮放比較, 3保留時間校正和譜峰自動匹配, 4指紋圖譜相似度計算, 5結果輸出和報表列印。The rearranging device rearranges the enhancement data according to sectional factors of spectral sections to allow output data to be generated from rearranged enhancement data
該重新排列裝置根據頻譜區段之區段因素來重新排列該等增強資料,以使輸出資料能得以從重新排列的增強資料中產生。X fluorescence can quickly carry out measurement without damage and motion. it was widely adopted in geology, mining, environmental - protection, archaeology and industrial - analysis. its principium is that in measurement of radioactivity, the pulse energy is directly proportional to pulse signal amplitude detected by the radiation detector
X熒光方法可以實現快速、原位、無損測量,被廣泛應用於地質、礦業、環保、考古、工業在線分析等領域,其原理是:在核能譜測量工作中探測器輸出的脈沖信號與入射粒子的能量成正比,通過測量脈沖信號幅度,得到入射粒子的能量。The dt - mini deuterium tungsten halogen light source combines the continuous spectrum of an rf - excited deuterium uv light source and a tungsten halogen vis - nir light source in a single optical path
Mini氘-鎢鹵組合式光源集成了一個用於紫外光的射頻激發氘燈光源和一個用於可見光/近紅外光的鎢鹵光源,能夠在一個光程中提供紫外/可見/近紅外波段的連續輸出光譜。The dt - mini - 2 - gs deuterium tungsten halogen light source combines the continuous spectrum of an rf - excited deuterium uv light source and a tungsten halogen vis - nir light source in a single optical path
Gs氘-鎢鹵組合式光源集成了一個用於紫外光的射頻激發氘燈光源和一個用於可見光/近紅外光的鎢鹵光源,能夠在一個光程中提供紫外/可見/近紅外波段的連續輸出光譜。In addition, the author puts forward that the eggs could be recognized based on the difference in the frequencies of their prompted sounds. because the eggs " prompted sounds are lied on low frequency bands, the microphone and sound amplifier that have excellent duration response should be used. the output signal from the sound amplifier is transferred to data signal by a / d card before it is put into computer
蛋品激勵出的聲音主要集中在低頻段,因此選擇在低頻段有好的頻率響應特性的麥克風和放大電路;放大輸出信號通過a / d採集板變換成相應的電壓數值信號送入計算機,對離散的信號數據進行傅立葉變換得到它的頻譜圖和各頻段能量分布圖;而後將能量分佈特徵數據作為神經網路的輸入值,這樣,好蛋和破損蛋的模型就建立起來。( 3 ). the flattening arithmetic of an edfa was presented based on the inter - correlative function between the gain spectrum function of the edfa and that of the reserve transmission spectrum of the lpfg. for optimal matching between the two spectra, the flattening arithmetic calculates the variation of the resonant amplitude and wavelength of the lpfg
Iii .提出了一種動態增益均衡的平坦演算法,這種演算法的本質就是利用摻鉺光纖放大器增益譜函數和新型長周期光纖光柵的透射譜反轉譜函數的相關性,給出新型長周期光纖光柵諧振峰幅度和位置的調節量,使改變后的新型長周期光纖光柵的反轉譜線能和edfa的增益輸出譜線進行最佳匹配。By use of g. d. shen ' s tunneling cascade theory we have fabricated high performance and high power tunneling cascade ingaas / gaas / algaas 950nm / 990nm double wavelength strained quantum well lasers on the basis of former tunneling cascade high power lasers and high brightness light emitting diodes. the lasers " two peak wavelength are 95 ? nm and 990 ? nm. el spectrum ' s fwhm is 3nm
在以往隧道級聯大功率應變量子阱激光器及高亮度發光管的理論研究與實驗的基礎之上,採用沈光地教授提出的隧道級聯思想,成功研製出基於ingaas gaas algaas材料的高性能大功率隧道級聯950nm及990nm雙波長應變量子阱激光器,激射波長分別為952 2nm和990 2nm , el譜的譜線寬度約3nm ,未鍍膜器件單面最大輸出光功率可達2w以上,閾值電流最低達120ma 。The convergences of these algorithms are proved in theory. their output signal - to - noise ( snr ) is derived and bigger than that of the traditional adaptive line enhancer ( ale ). simulation with the torpedo - radiated data indicates that the proposed algorithms are much better than the ale and the short - time correlation based adaptive line enhancer ( scbale ) in suppressing gaussian noise and enhancing spectrum feature
對該演算法的收斂性能進行了嚴格的證明,推導了該演算法輸出信噪比的計算公式,證明了該信噪比總是大於基於lms的自適應線譜增強器的輸出信噪比,定義了評價演算法性能的若干參數。The analyses given in this paper to quasi - three - level for 946 nm laser are complete. the relation between 946 nm laser transmission and optimal crystal length has been derived from the rate equations describing the population inversion and the photon density in the laser cavity in the steady - state case. the minimal claims to coating have been given on the base of contrasting 946 nm transmission with 1064 nm transmission in the condition of different cavity losses and how the pump beam radius in the laser crystal and optimal crystal length affect the laser threshold and output power of 946 nm laser has been given as well
對產生946nm譜線的準三能級結構給出了較為完整的分析,利用激光諧振腔處于穩態時的速率方程,導出了準三能級nd : yag946nm起振時,透射損耗與最佳激光晶體長度的關系,在與1064nm透射損耗相比較的基礎上,給出了不同的腔損耗情況下的最低鍍膜要求,並且給出了激光閾值、輸出功率和最佳激光晶體長度及泵光光斑大小的關系,這為設計室溫下高效運轉的946nm激光器的提供了理論基礎,這種分析方法對研究此類低增益,準三能級或三能級激光系統輸出特性有借鑒意義。This thesis first introduces the principle of dds briefly in the dissertation, analyzes the function of each module, the frequency spectrum and spurs influence, and also points out the advantages and disadvantages
本文首先介紹了dds的原理和各個模塊功能,分析了輸出頻譜及影響輸出雜散的因素,指出了其優缺點。Abstract : by using the pulse - sequence model , the inverse problem of amplification of broad - spectral - bandwidth laser pulse has been studied , i. e. , to find the initial input temporal pulse profile , spatial profile , spectral distribution and fluence from the required output temporal , spatial pulse profile , spectral distribution and fluence as well as the given amplifier parameters
文摘:採用脈沖分割模型,研究了寬頻帶激光脈沖放大的逆問題,即由所要求的輸出激光脈沖時間、空間波形、光譜分佈和能量密度,並給定放大器參數情況下,求輸入激光脈沖時間波形、空間、光譜分佈。Usually, the spectrum does not tell us the total energy the star radiates out
通常來說,我們不能用光譜計算出一顆恆星的總能量輸出。Secondly, considering the need of frequency stabilization, mdrlg ' s light intensity is simulated. the simulations indicate that sharp pulses are produced in the ac light intensity by mechanical dither. as the pulses have a wide frequency spectrum and range over the modulation frequencies of frequency stabilization, mechanical dither may reduce the precision of frequency stabilization
其次,根據穩頻需要對機抖陀螺輸出光強進行了模擬,模擬表明機械抖動會在交流光強中引入尖峰脈沖,且尖峰脈沖頻譜分佈較寬,在小抖動穩頻調制頻率范圍內有功率輸出,因而可能降低穩頻精度。Stochastic resonance ( sr ) is a counterintuitive phenomenon of nonlinear dynamic systems wherein the noise ( stochastic force ) plays a constructive role. this phenomenon has then attracted much attention in the past two decades, and it has been observed that sr can occur in a wide variety of systems
隨機共振現象是非線性動力學系統中的一種反直觀的現象,當一個非線性動力學系統受到一個隨機力(噪聲)的激勵,也就是系統輸入具有一個連續的頻譜,系統和輸入的隨機激勵之間會產生一種協同作用,使得系統輸出的性能有所提高,這一現象被稱為隨機共振。The angle spectrum of inputting optical signals is received by the input surface of arrayed waveguides. whereas the diffraction process of light beam outputed in slab waveguide is a process of " composing frequency and generating image ". the reason that fraunhofer diffractive pattern can be gained on outputting waveguide surface is that output ends of arrayed waveguide distribute on the arch structure which leads bent phase factor to offset the quadratic phase factor in fresnel diffraction
輸入平板波導內光束的衍射過程是「分頻成譜」的過程,在陣列波導的輸入面接收到的是輸入光信息的角譜;而輸出平板波導內光束的衍射過程則是「合頻成像」的過程,正是由於陣列波導輸出口排列分佈在圓弧形結構上,其彎曲位相因子消去了菲涅耳衍射中的二次位相因子,從而在輸出波導面上能夠得到夫瑯和費衍射圖樣。The technical breakthroughs in growth of nd : cngg had been made. in particular, continuous laser operation was achieved from nd : cngg pumped by ld. when the crystal wafer was end - pumped by one bar of ld with 807nm wavelength, the cw laser output power of 123. 1 mw was obtained with slope efficiency of 22. 3 %
本論文用自動化熔體提拉技術成功生長出< 111 >方向的直徑25mm以上,長度80mm以上的平界面無核心nd : cngg單晶,確定了晶體結構和物相,測量了晶體的光譜性能,晶體消光比達到34db ,晶體生長技術有新的突破,實現了連續激光運轉,用單支807nm半導體激光二極體端面泵浦該晶體片子,在國內首次獲得123 . 1mw的1 . 062 m連續激光輸出,斜效率達22 . 3 % 。At last we introduce the realization of all the parts, the problem in the circuit design and the measured data. the results show that the designed system has met the requirement. in this dissertation, direct digital synthesis technology has been used in the phase - locked frequency synthesizer, which can make full use of the characteristics of direct digital synthesis technology such as flexible output wave shape and continuous
本課題將直接數字式合成技術用於鎖相頻率合成器中,該方法將直接數字合成的特點,如輸出波形靈活且相位連續、頻率穩定度高、輸出頻率解析度高、頻率轉換速度快、輸出相位噪聲低、集成度高、功耗低、體積小等與鎖相環路的頻帶寬、工作頻率高、頻譜質量好等優點有機的結合起來,從而在寬帶的條件下實現了比較好的雜散性能和相噪。分享友人