模擬譜 的英文怎麼說
中文拼音 [mónǐpǔ]
模擬譜
英文
simulated spectrum-
And then facing the problem of the channel estimation of the adaptive modulation system, we conclude out the channel estimation algorithms on maximum likelihood ( ml ) estimation and maximum a posteriori ( map ) estimation under the condition of flat fading channel and selective fading channel in detail. to meet flat fading channel, we simulate the relationship of the ratio between the error covariance in map estimation and ml estimation and pilot symbol message length. the conclusion can be drawn from these results
接著，對自適應調制系統中的通道估計問題難點，詳細推導了平衰落通道條件下和選擇性衰落通道條件下最大似然（ ml ）估計和最大后驗概率（ map ）估計演算法，針對平衰落通道，我們模擬了map估計和ml估計的方差與導頻符號長度的關系，模擬結果表明，錯誤方差受多譜勒頻率的變化影響最大，並且對實際的自適應調制系統，導頻符號長度的取值超過20個符號長度時， map通道估計明顯優于ml通道估計。The test must work in a specify rotation spectrum, temperature spectrum and load spectrum to analogize the reality condition
實驗器要在一定的載荷譜、溫度譜、轉速譜條件下工作，模擬軸承的實際工況。Apply minimum cross - entropy spectral estimation to verify simulation models for antitank missile systems
最小交互熵譜估計在反坦克導彈系統模擬模型驗證中的應用By comprehensively applying the data of logging, drilling and seismic data, and depending on basin - modeling technology, and synchronously, integrating fluid inclusion homogenization, raman spectrum ingredient assay and autogeny illite age - determining technique, we had the numeric modeling of carboniferous - permian coal measure, including burial history, terrestrial heat history, hydrocarbon - generating and hydrocarbon - expulsing history and reservoir - forming history, at the wenan slope of jizhong depression, in the bohaiwan basin
本文綜合利用鉆井、測井、地震等資料，應用盆地模擬技術，結合流體包裹體測溫、包裹體拉曼光譜成分分析及自生伊利石測年等先進方法，對渤海灣盆地冀中坳陷文安斜坡石炭?二疊系的埋藏史、地熱史、生排烴史和成藏演化史進行了數值模擬。The electrochemical and spectroscopic behaviors of mp - 11 in the in the aqueous solution and simulated physiological solution, i. e. the solution of 20 % methanol and phosphate buffer solution with 20 % methanol are compared
比較了mp ? 11在水溶液和模擬生理條件（即20甲醇和5mmol / l磷酸緩沖溶液）中的電化學和光譜行為。High - molecular resin containing fluorescent auxiliary and colorant was made agricultural flint in order to simulate action spectrum of crops
摘要採用在高分子樹脂中分散進熒光助劑、著色劑來模擬栽培作物的作用光譜並製成農膜。The method proposed in this thesis do well in solving the problems of multi - damping - ratio - spectra simulation. it is convenient to obtain the pareto optimal solution set of the multi - object question by using implicit parallel genetic algorithms and the method can meet the practical needs for simulating ground motions coinciding with multi - damping - ratio - spectra in seismic design. the crossing rate and variance rate are important parameters of genetic algorithms which affect the rate of convergence, the adapting rate of cross and variation in this paper can auto - adapt and according to stand or fall of current sample, it assures the sample approach to the pareto optimal solution set in fast convergent speed
較好地解決多阻尼比反應譜擬合問題；本文方法通過一次運行就能獲得一組具有集系特性的地震動，在擬合多阻尼比反應譜的人造地震波集系的模擬方面有傳統方法所不能比擬的優勢，產生的人造波或人造波集系可滿足工程抗震設計需要；在遺傳演算法中，交叉概率和變異概率是影響收斂速度的重要參數，本文採用的改進自適應交叉概率和變異概率，可以根據當前樣本的好壞程度來自動地選擇適當的交叉概率和變異概率，以保證演算法始終以較好的速度向pareto最優解集逼近。The method of detection on transient signal by the slice of cyclo - bispectrum in stationary random noise is proposed in this paper, simulation results are presented also
摘要提出一種在平穩隨機噪聲中檢測暫態信號的循環雙譜切片方法，同時給出模擬結果。The principle of the interleaver with output spectra similar to cosine function, based on mzi, is analyzed theoretically. by using the tandem of two mzis, we get the flattop spectrum ; last, grounding on the polarized light interference and multi - beam interference, we analysis the principle of bgti interleaver, and simulate the relations between output spectra and reflectance of g - t resonator. furthermore the flattop output spectrum of bgti interleaver is achieved
4 、分析了fmzi型interleaver濾波器的工作原理，其輸出光譜曲線為類餘弦函數；採用級聯fmzi方案，實現了interleaver濾波器的光譜平頂光譜輸出；最後，基於偏振光干涉和多光束干涉原理，分析了bgti型interleaver濾波器工作原理，模擬了g - t腔部分反射系數r與輸出光譜的關系，獲得了50ghzbgti型interleaver濾波器平頂化輸出光譜。This thesis tries to update the cmdsr system to achieve the characters below : real - time, better robust, higher recognition rate, non - special - man. considering the disadvantages of traditional improved spectrum subtraction speech enhancement, this thesis proposes the theory of fuzzy spectrum subtraction based on the fuzzy theory and improved spectrum subtraction speech enhancement ; as for the difficulties of detecting the endpoint of speech signal, the thesis gives the table of initial and the improved parameters, with which we can confirm the endpoints of mandarin digit speech ; the thesis puts forward two - level digit real - time speech recognition system, the first level is based on discrete hidden markov model which is linear predictive coding cepstrum ( lpcc ) and difference linear predictive coding cepstrum ( dlpcc ), the second level is based on formant parameters ; as for the realization of hardware, the thesis depicts the realization of every part of cmdsr based on the tms320vc5402 in detail ; as for the development of software, the thesis gives the software design flow chart of cmdsr, simulates the basic theory with matlab language and gives the simulation results
針對傳統的「改進譜相減法語音增強」參數設定單一、環境適應能力差的缺點，提出了一種利用模糊理論和「改進的譜相減法」結合的「模糊譜相減法語音增強」 ;針對語音信號端點檢測困難的特點，通過matlab模擬試驗，給出了能夠準確確定數碼語音端點的初始和改進參數表;提出了利用基於線性預測編碼倒譜參數和差分線性預測編碼倒譜參數相結合的離散隱含馬爾可夫模型進行第一級識別、利用共振峰參數進行第二級識別的兩級漢語數碼語音識別系統，在保證系統實時性的同時，實現連接漢語數碼語音識別系統識別率的提高;在硬體實現上，詳細闡述了基於tms320vc5402的連接漢語數碼語音識別系統各部分硬體設計;在軟體開發上，給出了連接漢語數碼語音識別的軟體設計各部分的流程圖，並對各部分進行了matlab模擬，並給出了模擬結果。The structure of the testing platform is described, and the experiment content and principles are given in detail. the transmission error curves and space frequency curves are emulated. the circuits of rotor part and software are finished
本文介紹了實驗臺的整體結構，實驗內容的設置和各實驗的工作原理，模擬了傳動誤差曲線及其空域頻譜圖，詳細闡述了轉子測量的電路設計、下位機程序設計和上位機的軟體設計。Using the 1ap 3 - d hailstorm numerical model, we analyze influence of variation on rainfall amount, hail fallout amount, dynamical process of cloud, microphysical process, mechanism of hail suppression with seeding, and seeding outcome. besides, we use those study outcomes and bring forward some advice about using and improving model. we simulate a hailstorm occurred in nanjing county and analyze influence of raindrop, ice crystal, graupel size distribution on outcome of model
本文利用中國科學院大氣物理研究所的三維冰雹雲催化數值模式，通過對冰雹雲的模擬和對譜參數的數值試驗結果，分析了冰雹雲中粒子譜形的變化，對雲和降水過程的影響，其中包括雨滴譜、冰晶譜、霰譜的形狀參數對自然雲的發展過程、降雨降雹、雲中微物理過程、霰以及冰雹的形成機制的影響。Abstract : the concept and principle to determinate the interfacial ph in membrane mimetic systems by using spectroscopic probes were reviewed with emphasis laid on discussion the application
文摘:簡要介紹了利用光譜探針法研究膜模擬體系界面酸性的基本概念和基本原理，重點評述了這一方法的應用。By observing the effect of acidity on the uv difference spectra of ehpg or hbed, the spectral characteristics of apoovotransferrin binding to metals and anions at ph 7. 4 show that the reaction of apoovotransferrin with metals is related to deprotonation of the phenolic group of tyrosine of the metal binding sites, while the binding of apoovotransferrin to anions is associated with the protonation of the phenolic group of tyrosine of the anion binding sites
摘要通過觀察酸度對模擬轉鐵蛋白小分子ehpg和hbed紫外差光譜的影響，結合脫鐵伴清蛋白與金屬離子、陰離子結合的光譜特性，推斷脫鐵伴清蛋白與金屬離子的結合導致金屬離子結合位點處酪氨酸酚羥基的去質子化，而與陰離子的結合導致陰離子結合位點處酪氨酸酚羥基的質子化。Our factory is established in 2004, the existing staff 80 people, workshop area 2000m2, has the production assembly line 3 and thespectrometer, the oscilloscope, the high frequency signal generator, leaks the reflectoscope reflector, the pressure resistancereflectoscope reflector, the overflow welding machine, production, thecheck - out facility and so on led lamps and lanterns simulationreflectoscope reflector
我們廠成立於2004年，現有員工80餘人，廠房面積2000m2 ，擁有生產流水線3條及頻譜儀、示波器、高頻信號發生器、漏電測試儀、耐壓測試儀、溢流焊機、 led燈具模擬測試儀等生產、檢測設備。Cinematography - spectral response of photographic audio reproducers for analog dye sound tracks on 35 mm film
電影攝影學. 35 mm膠片上模擬染色聲帶用攝影還音器的光譜響應Semiclassical calculation of the absorption and recurrence spectra of he atom in perpendicular electric and magnetic fields
低阻抗二極體產生的強流電子束能譜分佈的數值模擬The purpose studying the paper is to looking for a sort of the lamp - house, which used to simulate solar radiation and the distribution of relative - energy on solar spectrum
本文研究的目的就是尋求一種合適的光源對太陽輻射和太陽光譜相對能量分佈進行模擬。Basing on the mcnp software, the author solved the matter by calculating the value of point to replacing the value of cell or surface. the research searched out a new means to solve similar matters. by using the studying result, the author programmed the gamma code, with the interface of window, which can simulate the course that a y - detector measures the radioactivity in soil and calculate the dose ratio and the chart of energy deposition
作者以以上方法為基礎開發出了就地譜儀模擬軟體gamma ，軟體基於mcnp軟體平臺，具有可視化介面，用於模擬譜儀現場測量，可視化窗口界面使用戶可以方便地調節探測器內部結構的幾何尺寸及窗材料、測量高度、射線能量及發射率、核素在土壤中的分佈規律等參數，方便工程技術人員的使用。For studying the effect of reducing statistical fluctuation by applying wavelet analysis, several hundred random simulated gamma spectra are produced to make statistics calculation
採用產生隨機模擬譜進行數理統計的方法，對小波分析方法降低譜統計漲落的作用進行了研究。分享友人