有效峰數 的英文怎麼說
中文拼音 [yǒuxiàofēngshǔ]
有效峰數
英文
effective peak number epn- 有 : 有副詞[書面語] (表示整數之外再加零數): 30 有 5 thirty-five; 10 有 5年 fifteen years
- 效 : Ⅰ名詞(效果; 功用) effect; efficiency; result Ⅱ動詞1 (仿效) imitate; follow the example of 2 ...
- 峰 : Ⅰ名詞1. (山的突出的尖頂) peak; summit 2. (形狀像山峰的事物) peak-like thing Ⅱ量詞(用於駱駝)
- 數 : 數副詞(屢次) frequently; repeatedly
- 有效 : effective; valid; efficacious
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Such as when the substrates was benzidine and a - naphthol, the absortion peak was 450nm after catalyticed by dna, and 501nm after catalyticed by pod, if changing substrate to benzidine and pyrocatechol, the absortion peak was 503nm after catalyticed by dna and 603nm after catalyticed by pod. the second difference was the different result after hplc : the result of hplc ( substrates : benzidine and a - naphthol ) showed that the products under the affect of dna and pod had different value on the peak and the area
然後對以聯苯胺與-萘酚為底物,以h _ 2o _ 2為氧化劑,進行高效液相色譜分析,分析結果表明dna與過氧化物酶作用后的產物在峰面積和峰高上有不同數值;同時,不同形式的dna對該反應都有催化活性,表明只要是生物來源的dna (非特異性dna )都具有一定程度的催化活性。This paper explains the effective encouraging mechanism of electrovalence at present, analyses the close relationship between the primary transformer capacity for electric power using in the enterprise and the basic electricity expenses and the electricity in peak time, the relationship between the power factor and the electricity expenses per degree. the ways and measures of reducing electric cost and decreasing electricity expenses expenditurze are proposed
通過闡述現行電價政策的有效激勵機制,分析了企業用電主變壓器容量與基本電費和峰谷分時用電及企業功率因數與電度電費的密切聯系,提出了企業降低用電成本、減少電費支出的途徑和措施。Firstly, we study the construction of emotion - speech template database, and analyze the common features such as pitch, energy and formant. after choosing the useful features by using fuzzy entropy effectiveness analysis, we get better performance with the application of neural network. in addition, we propose some more efficient features such as speech rate, pitch slope, mel - frequency cepstral coefficients and its transient parameters, and design a processing model based on vector quantization for cepstral features to fusing different features
本文首先介紹了情感語音數據庫的建立情況,然後研究了基音頻率、振幅能量和共振峰等目前常用的情感特徵在語音情感識別中的作用,並且通過一種基於模糊熵的特徵有效性分析方法進行了有效特徵的篩選,應用人工神經網路建立了初步的語音情感識別模型,經過實驗發現特徵篩選后系統的識別效果有著一定程度的提高。The welding technology of francis turbine runners is optimized from the view of subsection welding and local heating by numerical simulation. the result shows that welding residual tensile stress appears in the weld and its area nearby, and peak stress appears in the dangerous area of blades after practising quondam welding technology ; welding residual tensile peak stress in the dangerous area of blades can be decreased by welding both ends earlier and then welding middle section later during subsection welding, and decreasing effect on welding residual stress of the subsection welding is related to the weld length of blade outlets and welding direction of each subsection ; decreasing effect on residual stress of the local heating is direct proportional to heating time, heating temperature, heating area, and inversely proportional to cooling area, and welding residual tensile peak stress in the dangerous area is decreasing trend earlier, and then increasing trend later with heated location increased
本文利用數值模擬手段對轉輪的焊接工藝從分段焊和局部加熱兩個方面進行了優化,結果表明:採用普通工藝焊接時,葉片焊后殘余拉應力出現在焊縫及其附近區域,並且在葉片出水邊的熔合線附近(危險區域)出現了峰值;在採用優化的分段焊時,先焊兩端后焊中間的方法可以降低葉片危險區域的焊接殘余拉應力峰值,降低效果與葉片出水邊焊段長度、焊縫各段的焊接方向有關;局部加熱法降低轉輪危險區域殘余應力的效果主要與加熱時間、加熱溫度以及加熱面積成正比,與冷卻面積成反比,並且危險區域的殘余應力隨加熱區域的增大呈先降低后升高的趨勢。In improved uep scheme, the syntax elements belonged to luminance parts and chrominance parts was reassigned to different data partitions. those packets containing syntax elements belonged to luminance parts were got error protection at high level so as to guarantee their correctness during transmitting in error - prone network. simulation has shown that using proposed scheme, the packing tradeoff is decreased 8240 bytes in error - free channel and also the output bits and bit rate of coded video stream are decreased 2. 70kbits and 0. 33 kbps respectively
模擬實驗表明,本方案能在無噪通道中有效降低編碼器端8240位元組的打包開銷和2 . 70kbit的輸出比特數以及0 . 33kbps的比特率,而在有噪通道中可使解碼輸出重構視頻圖像的視覺質量得到一定程度的提高,亮度分量峰值信噪比可增加近1db 。Associated with a project of the planned xuefengshan tunnel with 7. 6 km long during the construction of shaoyang to huaihua expressway in hunan province of shanghai to ruili national trunk highway, this paper firstly makes an introduction of the frequently - used analysis & computation methods for tunnel supporting structure. then, based on the analysis of the basic theory about the interaction mechanism of surrounding rock and support structure, a spatial computation model is made, a coupling numerical computation method with 3 - d elastic - plastic finite element and infinite element is proposed, and a comprehensive analysis has been made to the effects of the overall stability and safety of the surrounding rocks of different characteristics, different classes and under different construction methods. and thus the problem of 3 - d infinite region to which applying the general finite ca n ' t do has been resolved
6公里的雪峰山隧道工程,首先介紹了隧道支護結構的常用分析計算方法;然後通過對隧道施工過程中,洞室穩定性與支護結構相互作用機理的深入分析,建立了隧道施工過程的空間計算模型,提出了採用三維彈塑性有限元-無限元耦合的數值計算方法,綜合分析了隧道在不同圍巖特性和圍巖類別條件下,以及不同施工開挖方案等對隧道圍巖整體穩定和安全性的影響,從而解決了通用有限元方法難以解決的隧道三維無限域問題;其可充分發揮有限元法在分析非線性方面的有效性和成熟性,以及無限元法在分析處理無限域和半無限域方面的精確性和簡便性,為隧道施工過程中圍巖的穩定性分析開辟了一條新的途徑。Because return of chinese security market is non - normal distribution, so we use garch - t model which can describe the time - variation of volatility and the high - peaked and heavy - tailed characteristics of return to calculate var value of market index. from empirical results we know that this model is efficient
考慮到中國證券市場收益率序列分佈的非正態性,本文使用了既能描述方差時變性又能反映收益率分佈的尖峰、厚尾特徵的garch - t模型計算市場指數的var值,實證結果表明該模型是有效的。Thirdly, to improve traditional method ( midpoint displacement algorithm ), various coefficient scales are used in interpolating data. to the end of this paper, a series of experiments on interpolating data are conducted, which indicate that the interpolation improves the precision of results and avoids the creasing problem effectively
利用已有的dem數據進行幾種不同方法的內插計算,計算結果表明改進的隨機中點移位內插法能有效地避免插值點附近明顯的「尖峰現象」 ,且插值精度有了一定的提高。With fast development of our country " s gas industry and air ' s increasingly serious contamination in city, using gas instead of coal and supplying energy in high efficiency and cleanliness has become necessary way in city. there are different problems in the current heating ( air conditioning ) systems. in the cogeneration system, heat and power affect each other, heating - pump heating ( aie conditioning ) system can not satisfy the peak load very well, the cost of gas fuel in boilor heating sestem is so high. the high generating efficiency of the diesel - engine two - sourse heating ( air conditioning ) systems is limited in range of 100kw - 1000kw, the heating scope is so limited. combined cycle of two sourse heating ( air conditioning ) system is most suitable selection to buesness community with big scope my paper aim at this syetem ' s primary question when it is applied in our country - - - - bringing project into execution and technology economy feasibility and off - design performence, combined with a certain demonstrating project in beijing buesness community, going along with calculating and analyzing, drawing out some efficient datas and conclusions, based on this, bringing out primary alements affecting combined cycle of two sourse heating ( air conditioning ) system " economics
熱電聯產系統熱電相互牽連,熱泵供暖(空調)系統不容易很好地滿足尖峰負荷,鍋爐供暖系統供熱中天然氣燃料構成的成本過高,內燃機雙源供暖(空調)系統的高發電效率僅限於100kw - 1000kw負荷范圍,供熱面積有限。對于大面積的商業園區、居民小區,燃燒天然氣的燃氣-蒸汽聯合循環雙源供暖(空調)系統是最佳選擇之一。本論文針對該系統在我國應用時的主要問題- - -方案的技術實施與技術經濟可行性,結合北京某一商業園區示範工程,進行了系統的計算與分析,得到了有效的數據與結論,在此基礎上,提出影響聯合循環雙源供暖(空調)系統經濟性的主要因素,並進行敏感性分析,得出有益的結論;最後通過各種供暖方案的比較分析回答了某些人對該系統的疑慮和不解,並指出系統的優化方向。In order to calculate synthetic seismograms in a layered half - space with the sources and the receivers at close or same depths, an efficient numerical integration method - the peak - trough averaging method ( ptam ) is proposed, based on the repeated averaging method
摘要為了計算在震源和接收點深度相同或相近情況下分層半空間介質中的合成地震圖,在重復平均法的基礎上加以改進,提出一種有效的數值積分方法峰谷平均法。There are functions such as drawing the chart of amplitude - frequency and phase - frequency, calculating and displaying the highest peak value, the total sum of amplitude and the effective line - breadth of the signal in the program. so an effective technical means is supplied for the analysis of ultrasonic signal
軟體系統具有幅頻圖及相頻圖的繪制、最高峰值、諧波系數及有效譜寬度的計算及顯示等功能,從而為超聲信號的頻譜分析提供了極其有效的技術手段。The results show that wavelength locates in gain zone of semiconductor optical amplifier, and have higher peak power and proper time delay between the two pulses for the second order super gauss control pulse in semiconductor optical amplifier. a high quality amplified signal pulse can be achieved. the chirp can be reduced notability by using cascading soa in cross gain modulation based on soa, and the distance and the peak power of conversion optical pulse can be increased notability, and we can let down the demand for wavelength based on xgm in soa and enhance the flexibility of wavelength conversion
我們應用二階超高斯光脈沖與高斯信號脈沖同時注入soa和應用soa與非線性光學環鏡( nolm )相結合的方案來對信號脈沖進行壓縮整形,模擬顯示,在調節系統合適參數的情況下,波長位於soa增益區的二階超高斯控制光脈沖在具有較高的峰值功率和適當時延下輸入soa時,最後可以得到放大的高質量超簡訊號光脈沖;在基於soa的交叉增益調制( xgm )全光波長轉換中,採用級聯的soa能有效地使反轉光脈沖的頻率啁啾得到有效降低,波長向下轉換的距離和反轉光的峰值能量都得到明顯提高,降低了利用交叉增益調制( xgm )波長轉換中對波長精度的要求,從而提高了波長轉換的靈和性。In the analysis process, the six main peaks in 88 - 100 kev region, including the y peaks of 234th, the k peaks of th and the k peaks of u, are chosen. the smoothly joined gaussian function and low energy exponential tail is taken as peak shape function and quadratic polynomial is taken as background function. the two functions are fitted to gether to calculate the peak area
在分析過程中,選擇了88 - 100kev能區的~ ( 234 ) th的射線峰, th的k _射線峰以及u的k _射線峰共六個主要能峰,通過採用高斯函數和低能指數尾部光滑聯接的峰形函數和二次多項式本底函數一起擬合,來求出峰面積;而該能區所有能峰的探測效率可以認為是近似相等的,由此得到鈾富集度。Firstly, object - oriented programming method and relation database technology are used to realize protective information management, with a multiple tires " client / server architecture. using it, the technical staffs can check all kinds of reports, fault waves and setting values of protection. secondly, based on protective principles of ta21 series protection devices, protective function is simulated by using object - oriented technology
首先,本文將面向對象方法和關系數據庫技術結合起來,採用psmis的多層客戶?服務器體系結構實現對保護信息的管理,以便供電段技術人員查看保護裝置的整定值、各種報告、故障錄波(系統不僅能顯示波形,還能動態顯示波形每一點的峰值、有效值、相位,甚至阻抗值及阻抗角、諧波含量等) 。Different distribution of power loss can be worked out by mathcad software based on the formula reasoning. the result of calculation is consistent with that of the experiment, which proves that this method is right. it is pointed out through the analysis of calculating data that the key to improve efficiency at the same output power is to decrease the peak current and rms current of power switches or the on - resistance of mosfet and windings
由推導可得損耗計算公式,利用數學計算軟體計算出電路輸出從空載到410w阻性負載時損耗分佈變化,該結果與實驗數據基本相吻合,證實了這種方法的正確性;通過對計算數據的分析,指出了進一步提高效率的關鍵在於輸出相同功率時降低功率管的電流峰值和有效值,減小繞組和mosfet的導通電阻。In the empirical analysis, pp plot or other test methods show that logarithmic return time series of financial assets have leptokurtosis and heteroskedasticity
在實證研究中,利用pp圖和其它檢驗方法得到金融資產的對數收益時間序列有高峰厚尾和arch效應。Absorption - band parameters such as the position, depth, width, and asymmetry of the feature have been used to quantitatively estimate composition of samples from hyperspectral data. so spectral absorptions are very important feature bands in use of hyperspectral classification and targets identify, this paper extracts absorption features of actual hyperspectral image by continuum removed method which is very useful. then tested both of them by
吸收峰波段參數例如波長位置、深度、寬度、斜率、對稱度、面積等常常被用來定量的估計高光譜樣本的組成,因此光譜的吸收峰是高光譜識別分類應用中很重要的特徵波段,論文通過包絡線去除這種很有效的光譜分析工具提取出了實際的高光譜圖像的地物光譜的吸收峰參數。Based on the developing of ims narcotics detector, this article analyzes the kernel of real time operating system, introduces how to using real time multi - task operating system as object - develop environment, puts forward the analyzing and designing methodologies used in ims narcotics detector embedded software designing which is based on rtos, conceives a data - flow structure model for embedded software design, and provides an effective resolvent for middle or little real time system. it also deals with the arithmetic for peak - location ( mobile - time ) finding and temperature control, and at last summarizes the points for attention when applying rtos
本文主要以離子遷移譜毒品偵查儀的研製為工程背景,重點是剖析實時多任務操作系統內核,介紹如何以已有的實時多任務操作系統為目標系統實現環境,提出基於rtos開發離子遷移譜毒品偵查儀所採用的分析和設計方法,構思了一種基於數據流圖結構模型的嵌入式軟體設計方法,提供一種設計中、小型實時系統的有效解決方案,並就系統實現中波峰位置(遷移時間)的查找以及溫度控制等設計了演算法,總結了應用rtos開發應注意的問題。4 in the post processing of correlation signal, in order to improved the recognition possibility to the distorted multi - object, we increase the amount of information of roi and choose the optimal numbers of neurons. so the roi could include enough feature but does not make the cpu burdened too much. on the other hand, a new method of selecting roi is realized, as a result, recognition possibility was increased and the number of samples for ann trainning decreased
4 、在相關信號后處理中,為了增強人工神經網路( ann )對畸變多目標的判別能力,一方面增大了感興趣區域( roi )的信息量、優選了神經元數目,使roi既能充分包含相關峰的特徵,又不至於過分增加計算機的計算負擔;另一方面,提出並實現了一個從眾多的roi中選取最有效的少數roi的演算法,不僅大大提高了ann的識別效果,還使供ann訓練的采樣數目降低一個數量級。These researches provide us a basis for forecasting the pests in grain in earlier stage, accurately utilizing pesticides, improving the efficiency of prevention and reducing the loss of stored grain. the sound absorption properties of various types and thickness of grain are measured by means of the standing wave tube technique. the following conclusions can be drawn : for the same thickness the larger grains has a smaller sound absorption coefficient than the smaller grains
為了有效地研究儲糧害蟲所產生聲信號在各種糧食中的傳播特性,本文採用駐波管法,對十一種不同種類糧食在不同堆積厚度情況下的吸聲性能進行了實驗研究,糧食吸聲特性與其顆粒的大小、形狀、排列方式及糧食堆積厚度等有關,存在一定的規律,得出如下結論:同一厚度下,顆粒大的糧食較顆粒小的吸聲性能差,顆粒由大到小,吸聲系數峰值頻率向低頻方向移動;球形顆粒糧食較長形顆粒吸聲性能差。分享友人