simulated spectrum 中文意思是什麼
simulated spectrum
解釋
模擬譜-
( 3 ) in the dy - lamp experiments, we study the spectrum distribution of relative - energy. firstly, it is tested by providing bandwidth and the numbers of the band according as a standard of the solar simulator. the result shows it cannot achieve a standard of the solar simulator that the spectrum distribution of the dy - lamp is simulated the solar spectrum ; however, if according as b standard, then it can attain the request of b standard of the solar simulator
研究了鏑燈光譜相對能量分佈，首先根據a級模擬器提供的帶寬和帶數對鏑燈的光譜能量分佈進行了測試，測試結果表明，利用鏑燈來模擬太陽光譜達不到a級模擬器的要求；根據b級模擬器提供的帶寬和帶數對鏑燈再次進行測試，並與b級的光譜失配誤差進行比較，結果表明，利用鏑燈來模擬太陽光譜可達到b級模擬器標準。 -
In the study of directional spectrum and reflection coefficient of multidirectional wave, firstly the wave elevation trains overlapped by the incident wave and the reflected wave of multidirectional wave are simulated in the method of a frequency corresponding to a direction. then the composed wave trains are analyzed respectively by the mbdm and the mmlm. during the numerical study, the input factors include the various wave parameters, the different measuring wave system and the various reflect characteristic
在多向不規則波入射波方向譜和反射系數的分析研究中，利用方向頻率對應法模擬了多向不規則波入射波與反射波疊加的波面序列，將此合成波列分別應用mbdm和mmlm進行分析，通過輸入各種波浪參量、不同波浪測量系統和各種反射特性等因子，檢驗了mbdm和mmlm方法的適用條件，對兩種分析方法的性能進行了比較分析。 -
Finally, the paper introduces the test of wave simulation by wave - making system that has improved. the test data indicate that it is able to competent at wave simulation of sea wave spectrum for shipmodel test, we have changed the situation that the wave - making system ca n ' t simulated sea waves. and have established the foundation for the quality of improving the scientific research of our school and experiment teaching further
最後，本文介紹了對改造后的造波系統進行波浪模擬測試情況，試驗數據表明，該造波機經過升級改造，完全可以勝任對船模耐波性試驗所要求的海浪譜的模擬，並且還可以根據需要模擬任意的海浪譜，模擬精度達到試驗要求。 -
The synthesis and correction of simulated earthquake wave on hydraulic design response spectrum
基於水工標準反應譜的人工地震動合成及其校正 -
The frequency spectrum and the beet frequency phenomenon also were carried out, the reason from that the beet frequency occur has been found and simulated. these jobs are useful for improving the performances of harmonic gear drive and opening up its using scope
這對進一步認識諧波齒輪傳動運動誤差的產生和提高諧波齒輪傳動的運動精度，拓寬諧波齒輪傳動的應用范圍，特別是在工業機器人中的應用都具有重要的現實意義。 -
Firstly, a power line spread spectrum communication scheme was brought out and then it was simulated in system simulation software. system view. with the simulation, the detail design parameter came out
首先是提出了一種電力線擴頻通信方案，然後利用系統模擬軟體systemview對其進行模擬分析，最後按照vlsi設計流程詳細說明了該晶元的設計過程。 -
In this thesis, first, we present the theory of sess system, the generation of the sess spreading code and its characteristics and the acquisition theory of conventional spread spectrum communication system. an efficient acquisition scheme based on periodically transmitting the synchronization head, which is composed of binary chaotic codes, using the matched filter and automatic decision threshold - level control based on a so - called constant false alarm criterion for sess system is present. the acquisition model of sess system is built and simulated in the awgn channel, the raleigh fading channel and imulti - address interfere condition
本文首先概述了自編碼擴頻通信的原理、自編碼擴頻序列的產生方法及其特性和擴頻通信系統編碼同步的理論，然後針對自編碼擴頻通信系統提出了擴頻序列捕獲方案:周期性地加入混沌序列同步碼，並採用恆虛警率匹配濾波器捕獲法;在加性白高斯噪聲通道、瑞利衰落通道和多址干擾情況下進行了模擬，分析了各種捕獲性能:在選擇性能最優的混沌序列、適當的序列長度、虛警概率及門限值的情況下，可以獲得較短的捕獲時間和較大的捕獲概率。 -
Then the method of fault diagnosis in three - phase thyristor converter bridge based on spectrum analysis is discussed. and the fault model was simulated and analyzed again in the method, also fault diagnosis criterion is gained in the condition
接著，闡述了基於頻譜分析的三相全控整流橋故障診斷方法，並應用該方法對故障模型重新進行了模擬、分析，得出了相應的故障診斷判據。 -
On this condition, based on the experimental results gotten by the microwave absorption dielectric - spectrum measure technique, the photographic process at room temperature in agcl cubic microcrystals doped with k4fe ( cn ) 6 is simulated. through the optimization of simulating parameters, not only the cross - section and trap depth of the shallow electron trap induced by the dopant, but also the optimal doping amount is obtained
在此基礎上，以微波吸收介電譜檢測技術的實驗結果為依據，對摻有k _ 4fe （ cn ） _ 6的agcl立方體微晶在室溫下的曝光過程進行了模擬，通過調節模擬參數，不但計算出由摻雜劑引入的淺電子陷阱的俘獲截面和陷阱深度，而且得到了這種摻雜乳劑的最佳摻雜濃度。 -
By means of trigonometrical progression method and the mainline track spectrum, the sample function of the chinese mainline railway track random geometric irregularity is simulated. with the data obtained from track geometry inspection car on qinhuangdao - shenyang special line for passenger transport and arma time series model, the sample function of high - speed railway track random geometric irregularity are simulated. based on existing literature, the artificial bogie crawl waves at various different speeds are randomly simulated
根據我國干線鐵路軌道譜，採用三角級數法模擬出干線鐵路和準高速鐵路軌道不平順的樣本函數；根據秦沈客運專線高速試驗段軌檢車資料，採用arma時間序列模型模擬了高速鐵路軌道不平順隨機樣本函數；在既有研究資料的基礎上模擬出各種速度客車構架人工蛇行波；用隨機變量描述道床橫向剛度，並進行了隨機模擬；將振動理論和穩定理論結合建立系統的分析模型和運動方程；根據monte ? carlo法編制了車輛?軌道耦合系統隨機振動分析程序，進行了無縫線路隨機動力響應分析，通過試驗對計算模型、計算方法進行了驗證。 -
In this paper, the wind loading time history of the truss structure is simulated according to the data of wind tunnel experiment and pulsating wind spectrum, and the transient dynamic analysis is used on the fem
本文依據風洞試驗數據模擬了靜風壓的空間分佈，依據脈動風譜模擬了網架結構的風荷載時程，並對有限元模型進行了有限元瞬態動力學時程分析。 -
In the paper, by fractional - dimension space model, the relationships between system dimensions and wells width in zno / mgzno quantum well will be studied and the exciton dynamics such as wave functions, radial intensity and bohr radius in zno / mgzno with different well width are studied firstly. secondly, the system dimension, exciton wave functions and absorption spectrum in hexagonal microtube zno film were calculated and simulated, and the confinement of microtube is discussed. then the hexagonal microtube zno films are investigated by capacitance - voltage ( c - v ) measurements and the structure of zno / si were analyzed and modeled
本文利用分數維空間模型，首先研究了zno / mgzno量子阱中系統維度、激子波函數、徑向密度和波爾半徑隨阱寬的變化，從中反映了zno / mgzno量子阱中量子尺寸效應對激子態的影響；其次計算和模擬得到六棱微管zno薄膜的系統維度、激子波函數及吸收譜，討論了微管壁厚對激子的限制情況。 -
A new method to extract line - spectrum series based on energy criterion and sub - band synthesis is presented in this paper, and verification is further investigated with simulated and measured data
本文提出了一種基於能量判據和子頻帶綜合的線譜序列提取方法，並利用實測數據進行了比較分析。 -
The random excitation of the four wheels is used as the input of this system. the changing rule of vertical displacement, three directions of acceleration power spectrum density function of person - chair system of model ca - 141 and etc. in the frequency domain is simulated using matlab. the rationality of the model is analyzed and validated by comparing of relevant testing results and theoretic analysis
以頻域內四輪隨機激勵作為系統輸入，用matlab模擬低地板城市客車等三種車型人椅系統三向加速度功率譜的變化規律，逐項分析車速、懸架剛度與阻尼參數變化對車輛平順性的影響，通過與相關研究結果的比較及理論分析驗證了模型的合理性。 -
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。 -
In this paper, based on track irregularity spectrum and time delay between axles, control laws of railway vehicle secondary active suspension are designed according to optimal control theory, and simulated on a vertical railway vehicle model
摘要針對鐵道車輛二系主動懸掛，考慮了軌道不平順譜及輪軸時延的輸入；依據最優控制理論，設計了整車的主動懸掛控制規律，並在整車垂向動力學模型上進行了模擬分析。 -
The research for key techniques of turbo codes is processed. it includes, ? the design of optimal component codes and the performance of asymmetric turbo codes are analyzed ; ? a search algorithm for short random interleaver based on the distance spectrum and ids criteria is carried out and simplified ; ? random puncturing method to improve the weight distribution of turbo codes with some special code rates is analyzed and simulated. ? the effect of different schemes of trellis termination to the performance of turbo codes is analyzed ; ? a new low complexity decoder structure is provided ; 5
對turbo碼的部分關鍵問題進行分析和改進，主要包括： ?分析了最優分量碼的設計和非對稱turbo碼的性能； ?設計了基於距離譜和ids的短隨機交織器搜索演算法並進行了簡化； ?提出了採用隨機刪余方式改善特定高碼率turbo碼重量分佈特性的方法； ?分析了不同編碼器狀態歸零方案對turbo碼性能的影響； ?提出了一種降低實現復雜性的turbo迭代譯碼器結構。 -
Secondly, the following two subjects are discussed according to the calculation of short - circuit current : ( l ) to verify the dynamic stability condition of wires by using simulated annealing algorithm ( sa ), the paper calculates the maximum value of rectangle wires " short - circuit electrodynamic stress and gets the conditions of their having the maximum value. furthermore, some concerned data about the verifying of copper wires are given by analysing vibration spectrum of the electrodynamic stress ; ( 2 ) in order to get the heat withstand conditions of wires, the paper discusses some common calculation methods, and then tries to study the problem applying artificial neural network ( ann ) based on heat principle of metals. the model is shown to be feasible
其次，在電路中短路電流計算的基礎上， （ 1 ）進行母線的短路動穩定校驗計算：採用模擬退火演算法（ sa演算法）計算了矩形母線短路電動力的最大值及其取極值的條件，獲得了更為一般的結果，進而通過短路電動力的頻譜分析，給出了銅質母線的有關短路校驗計算數據； （ 2 ）進行母線的短路熱穩定校驗計算：討論了熱穩定校校的幾種常用計算方法，從導體或電器的發熱機理出發，運用人工神經網路理論對母線的熱穩定問題進行計算，通過算例比較，證明該方法用於熱穩定計算是可行的。 -
The test for simulating load spectrum of bridge was done, comparison of the infered load spectrum by means of the electrical resistance changes of two fatigue life gage with the simulated load spectrum showed reasonably good agreement
進行了模擬橋梁荷載譜加載試驗，用雙疲勞壽命計電阻變化所推算荷載譜和模擬荷載譜基本一致，證明了方法的可行性。 -
Parameter method was adopted to generate time series conforming to the specified power spectrum. a autoregressive model was estimated by program which based upon yule - walker equation. good agreement was obtained between the simulated spectrum and the target spectrum
本文利用ar參數模型方法根據陣風功率譜模擬產生相應的風速時間序列，編寫了相應的matlab模擬程序，並計算得到了ar模型的參數，結果表明模擬信號的功率譜與原始譜比較一致。
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