混合型波 的英文怎麼說
中文拼音 [húngěxíngbō]
混合型波
英文
hybrid wave- 混 : 混形容詞1. (渾濁) muddy; turbid2. (糊塗; 不明事理) foolish; stupid
- 合 : 合量詞(容量單位) ge, a unit of dry measure for grain (=1 decilitre)
- 波 : 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...
- 混合型 : mixed type混合型卷煙 blend type cigarette; 混合型制劑 slurriable combination
- 混合 : (攙雜在一起) mix; blend; mingle; admix; mixture; mix up; interfusion; commixture; blending; cre...
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Delta brain waves are those with the lowest frequencies and relate to the unconscious mind. delta waves are present during deep sleep, even when the other types of brain waves are not detectable, but they may also be present in the waking state, combined with the other types. they are associated with highly instinctive, intuitive, and empathetic states of mind
波頻率最低,它構成了無意識,波出現于其它類型的腦波測不到的深睡眠期,也出現于與其它類型的腦波相混合的清醒狀態它與高度本能直覺和同一體等心靈狀態相關。Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal
我的思路是:改造現有圖形結構,先建立能反映信噪比大小且含待定參數k的表達式,然後通過離散型h0pfi舊單層反饋神經網路,再結合前邊的混合濾波器構成一個非線性控制系統,寫出對應的網路函數,利用相平面法和李雅普諾大穩定性的判據,得到一個穩定的極限環,從而確定出參數卜的范圍,進而再對原來的小波軟閾值進行修正,用修正後的值作為小波閾值。Secondly, according to the character of this kind of harmonic, the solutions of power filter are deeply analyzed and an optimized topology for series connected hybrid power filter is obtained. by pwm technique, midfrequency transformer and the principle of the magnetomotive force ( mmf ) compensation, the problem to the transfer of the low - frequency harmonic power compensatory signal in the series apf is solved, in technique
其次,針對acem系統特有的「電源諧波」特性,深入分析了濾波器方案,得到了一種適用於acem系統諧波抑制的串聯混合型有源電力濾波器優化拓撲結構,並採用了pwm調制技術、中頻注入變壓器和磁勢補償原理有效地解決了串聯apf中低頻諧波功率補償信號傳輸的難題。Image segmentation ; textured image ; gaussian mixture models ; multiresolution wavelet ; em algorithms
圖像分割紋理圖像高斯混合模型多解析度小波em演算法80c196mc based series hybrid active power filter
的串聯混合型有源電力濾波器According to the above - mentioned analyses, standard ceramic techniques were adopted to prepare spinel ferrite - based composite materials with iron - sand and the microwave - absorbing properties of spinel ferrite were improved through adding some appropriate mediums into those composite materials
在此基礎上,採用傳統陶瓷工藝,以鐵砂為原料制備尖晶石型鐵氧體基復合吸波材料並通過添加適當種類的介質制得尖晶石型鐵氧體基混合吸波材料,提高了尖晶石型鐵氧體吸波材料的性能。Since the antiplane scattering problems of local sites could be divided into two kinds : interior and exterior problems, main points to solve the problems are graf ' s addition theorem. so two expressions and suitable range of the graf ' s addition theorem are studied hi the paper. moreover, an auxiliary function method for mixed boundary - value problems are also discussed in this paper
由於典型局部場地彈性波出平面散射問題可以分為內域型和外域型兩大類,求解這些問題的要點是要完成特殊函數在不同坐標系間的變換,因此本文對graf加法公式的兩種表達及其適用范圍做了研究,另外對解決混合邊值問題的輔助函數法做了研究。Then the paper analyzes control system of hybrid active power filter, the way of harmonic detecting and the principle of control system, digital low pass filter and the generation of pwm, on the base of which the paper designs a new parallel hybrid active power filter which is controlled by tms320lf2407, and detailedly introduces drive circuit of pwm, sampling circuit of current, voltage adjustment and protection circuit, communication circuit, liquid crystal display circuit
分析了混合型有源濾波器的控制系統、諧波檢測方法及控制原理、數字低通濾波器和pwm信號的產生,在此基礎上設計了一種基於tms320lf2407為控制核心的並聯混合型有源電力濾波器硬體原理圖。並對pwm驅動電路、電流采樣電路、電壓調整、按鍵輸入和保護電路、通信模塊、液晶顯示模塊進行了較詳細的分析說明。On the basis of high speed hybrid filter banks adc system, a kind of downsampler model based on bandpass sampling theorem is presented, and analyzed, proved in time and frequency domain, in addition a downsampler is designed according to the model. a class of high effective hybrid filter banks adc system which bases on the downsampler and radio frequency spectrum is proposed, of which digital signal rate falls m times as fast as the former
作者提出了一種基於帶通采樣定理的抽取器數學模型,對該數學模型進行了時域、頻域的分析證明后,設計了一種基於該數學模型的抽取器,進而根據無線電射頻信號頻譜的特點,提出了高效混合濾波器組adc系統,其數字信號輸出速率比高速混合濾波器組adc系統降低m - 1倍。The second is a fuzzy neuron network based hybrid filter, which comprises four basic components : plus - shaped center weighted median filter, cross - shaped center weighted median filter, nine pixels median filter, and a fusion center with fuzzy - neuron network. the proposed filter is able to effectively inherit the merits of the used three filters. the third is a fuzzy reasoning filter based on neural network
第二種是基於模糊神經網路的混合濾波器,主要濾波器模塊有十字型中心加權中值濾波器、交叉型中心加權中值濾波器和9點中值濾波器,信號經過三種濾波器處理後送入一個訓練好的模糊神經網路進行融合處理,得到最終的濾波結果。The bottleneck of hybrid filter banks adc system is that it cannot sample directly higher radio frequency signal because of lower analog input bandwidth of its adc. in order to remove it, a kind of downsampler model based on nyquist and bandpass sampling theorem is presented, analyzed and proved in time and frequency domain, in addition a downsampler is designed according to the model. on the basis of hybrid filter banks adc system, a class of high speed hybrid filter banks adc system is proposed
針對混合濾波器組adc系統因其adc模擬輸入帶寬低而不能對頻率較高的射頻模擬信號進行模/數轉換的瓶頸,作者提出了一種基於nyquist采樣定理和帶通采樣定理的抽取器數學模型,對該數學模型進行了時域、頻域的分析證明后,設計了一種基於該數學模型的sha抽取器,進而在混合濾波器組adc系統的基礎上,提出了高速混合濾波器組adc系統。In practical studies, finally, a hybrid active power filter based on the digital signal processor ( dsp ) and intelligent power module ( ipm ) was set up, including a cycloconverter acem. based on the experimental set - up, plenty of experimental studies were conducted. the experimental results demonstrate that the self - adaptive technique, the topology of series connected hybrid power filter and the corresponding significant technologies described above are feasible and practical
最後,實際研製了一套以dsp (高速數字信號處理器)和ipm (智能功率模塊)為核心的小功率混合型有源濾波裝置,在交交變頻acem實驗平臺上進行了全面的實驗研究,充分驗證了本文所提出的自適應同步相關濾波技術、優化混合型濾波器拓撲結構和有關的關鍵性技術的正確性和實用性,從而從理論到實踐全方位、成功地實現了對交流勵磁發電機輸出電力諧波抑制的研究。The experiments showed us : firstly, mediums with different magnetic and dielectric properties had different influence on the microwave - absorbing properties of spinel ferrite ; secondly, magnetic texture treatment greatly affected the microwave - absorbing properties of the spinel ferrite - based mixed material which contained single - domain particles of hexagonal ferrite, changing the matching thickness, the density of area and the position of absorption peaks and increasing the absorption quantity and the 10db bandwidth ; thirdly, the coupling effect between different layers affected the microwave - absorbing properties of the double - layer spinel ferrite - based mixed material, decreasing its matching thickness and density of area and increasing the position of absorption peaks
實驗發現: ( 1 )不同磁性與電性的介質對尖晶石型鐵氧體吸波特性的影響不同; ( 2 )磁織構化處理對含有六角晶系鐵氧體單疇顆粒的尖晶石型鐵氧體基混合吸波材料的性能影響很大,可以改變匹配厚度、面密度與吸收峰峰位,提高吸收量與10db帶寬; ( 3 )對于雙層材料,層間耦合作用會影響其吸波性能,降低匹配厚度與面密度,提高吸收峰峰位。When dicussing reliability design and reliahbaiiy ensuring methods, a new reliability calculating model of petroleum logging tools is presented, reliability assurimg technologies should be taken in petroleum logging tools and their using approaches are presented and stated from electricity design and mechanical design, reliability system model of petroleum logging tool is set up according to the latest reliability theory, reliability indexes of petroleum logging tool and their acquiring ways are discussed, the reconmended reliability indexes ( mwture, nolwnm, mtbf, mttf ) of petroleum logging tool are presented : the mean working time under rated error ( mwture ) of the new tool is obtained through experiments. when studying data processing methods, the property of gamma - ray signal is stated and the type of it ' s measuring error is examined using statistical method, the basic theory of digital filtering and the basic situation of digital filtering methods are introduced and analyzed, the factors affecting digital filtering effect to gamma - ray signal and the effect of digital filtering to logging curve are analyzed, the evaluting criteria ( rvi, rmse, sfi ) of digital filtering effect are set up from two aspects, named as real value acquiring of steady section and the formation boundary checking and processing, the related filtering methods and examining methods are given out. the design methods of digital filter used to process gamma - ray signal are discussed, the mixed filtering scheme of natural gamma - ray log is presented, the realization ways are discussed. the selective filtering system and it ' s realization flow are given out through quantitive reseaching to part of digital filters, three new filtering sheme will be used to process gamma - ray signal in era2000 logging system
在探討可靠性設計與可靠性保障技術時,提出了石油測井儀器的可靠性計算新模型,從電氣和機械兩個方面,提出並闡述了應採用的可靠性保障技術及其使用方法:根據最新可靠性理論,建立了石油測井儀器的可靠性系統模型,探討了石油測井儀器的可靠性指標及其獲取途徑,提出了推薦使用的石油測井儀器可靠性指標( mwture , nolwnm , mtbf , mttf ) ;通過試驗,得到了所設計儀器的穩定工作時間( mwture ) 。在研究數據處理方法時,闡述了伽瑪信號的特徵,對測量誤差類型進行了統計檢驗;介紹了數字濾波的基本理論、數字濾波方法的概況,並進行了分析;對伽瑪信號數字濾波效果的影響因素及其對測井曲線的影響進行了基本分析;從獲取平穩段真值、地層邊界的檢測與處理兩個方面,建立了數字濾波效果的評價準則( rvi , rmse , sfi ) ,給出了相應的數字濾波方法及效果評價方法;探討了自然伽瑪信號數字濾波器的設計方法,提出了適合自然伽瑪測井的混合濾波方案,探討了混合濾波方案的實現途徑;通過對部分數字濾波方法的定量研究,給出了靈活可選的數字濾波系統構成及實現流程;提出的三種濾波方案,將用於era2000成像測井系統,對自然伽瑪測井數據進行濾波處理。Through research and analyse, finally proved the mixed electric power filter way can enable the filter equipment perfomance - to - price ratio to achieve superiorly
經研究分析,結果證明混合型電力濾波方式能使濾波裝置性價比達到最優。To put into operation a large amount of non - linear load, make in harmony wave of rural power grids serious becoming in pollution, pass to rural local electric wire netting main in harmony analysis of wave source, put forward in order to restrain from insert rural power grids in harmony wave source voltage total in harmony wave distortion rate and the containing rate change last device number pulsating for increase of goal, increase the pulse of the current change device and install light specified value electricity active wave filter mix with passive wave filter near the harmonics source to control the wave in harmony
摘要大量非線性負荷的投運,使農村電網的諧波污染日趨嚴重,通過對農村地方電網主要諧波源的分析,最終提出了以限制接入農村電網的諧波源的電壓總諧波畸變率和各次諧波電壓含有率為目標的增加換流裝置脈動數,以及在諧波源附近裝設小額定值的電力有源濾波器配以無源濾波器的混合型電力濾波方式,以進行諧波治理。In addition, we also studied the influence of magnetic texture treatment, double - layer structure and medium film on the spinel ferrite - based mixed material
同時,初步研究了磁織構化處理、雙層結構及介質膜對尖晶石型鐵氧體基混合吸波材料性能的影響。High - capacity hybrid power filter for harmonic suppression and reactive power compensation in the power substation
變電站諧波抑制與無功補償的大功率混合型電力濾波器It can operate in traveling wave mode with only the torus in experiment, as well as in hybrid mode of standing wave and traveling wave with the whole engine working, and it can be also used to drive a pulse - tube refrigerator
它不僅可以用於行波與駐波混合型熱聲發動機實驗,還可以單獨進行行波環路實驗及熱聲發動機驅動脈管製冷機實驗。In chapter four, the project techniques of harmonic filter and reactive power compensation for guixi smelter were firstly discussed ; based on the harmonic condition of guixi smelter, the key techniques of a new hybrid active power filter with high capacity for harmonic filter and reactive power compensation were proposed ; then the designs of main configuration, output filter, harmonic detection and analysis subsystem, and the controller based on dsp have been discussed. application results of the hybrid active power filter have confirmed the feasibility of the integrated compensation system
第四章討論了貴冶電網諧波治理和無功補償的工程實現技術,介紹了貴冶電網諧波的現狀,分析了貴冶電網諧波超過國標的情況,提出了一種新型大功率混合型有源電力濾波器的應用方案,討論了系統主電路設計,輸出濾波器的設計,諧波檢測和分析子系統的設計,基於dsp數字晶元的控制器設計等關鍵技術,並給出了混合型有源電力濾波器投運后,改善電網諧波的情況,表明了論文中所給出的設計方案和工程實現技術獲得良好的工程應用效果。分享友人