正後電位 的英文怎麼說
中文拼音 [zhēnghòudiànwèi]
正後電位
英文
positive after potential-
What interviewing to ever was aided financially by some electron company is big when 3 schoolgirls, less than allowing look on her face why oneself go to school the exultation after difficulty is solved, leave the author just heave a sigh heavily in succession, she says, she has the job that holds two or more posts concurrently in outside school every saturday all the time before, this job hard - earned, herself is cherished very much, in obtained after aiding financially this company often can ask them ( the student that gets this company to aid financially with her ) go helping do a few businesses, because ask for leave frequently, she has been dropped by demit now. . here her gently lachrymal rise : " we are born to also have our life miserably, have oneself character honor, the society gave us huge help, we can be after finish school, the newspaper office is answered to meet in the future, but not be now, what we need now is a normal life. . " see with respect to author place, the circumstance of this classmate has been been very lucky, the backside motive that a lot of company businesses aid financially impoverished student now often is to publicize his to rise thereby famous degree
在采訪一位曾受到某電子公司資助的大三女生時，在她臉上看不到任何自己上學困難解決后的歡欣，留給筆者的只是一聲聲沉重的嘆息，她說，她以前一直有一份每周六在校外兼職的工作，這份工作來之不易，她自己很珍惜，在獲得了資助后該公司便不時的會要求她們（和她一樣受該公司資助的學生）去幫忙做一些事情，由於屢次請假她現在已經被辭掉… …說到這里她輕輕的啜泣起來： 「我們貧困生也有自己的生活，有自己的人格尊嚴，社會給了我們極大的幫助，我們會在完成學業之後，在將往返報社會，但不是現在，我們現在需要的是一份正常的生活… … 」就筆者所見而言，這位同學的情況已經算是很幸運了，現在許多公司企業資助貧困學生的背後動機往往是為了宣傳自己從而提高知名度。By making some assumptions, collision frequency were presented. then the the flocculation kinetics model was established through population balance equation. comparison of experimental data and modeling results indicate that there are the same trend between the two. so the model can predict floes number and size during flocculation of yellow river ' s loess particles without using empirical parameters. the tem and sem were used to obsever floes in the study of floe structure. the flocculation was divided as flocculi, floc and floe aggregate. the floes structure model was established by assumption that particles position in floe accords with tetrahedron. the fractal dimension of model and experimental floes was found to be coincidentso the model can reflect the structure of flocs formed in flocculation of yellow river ' s loess particles by macromolecule flocculant at a certain extent
最後，本文還對絮凝動力學和絮體結構進行了研究，在前人研究的基礎上，針對高分子絮凝黃河泥沙，對絮凝過程作了一些符合試驗條件的假設，建立了顆粒碰撞頻率表達式，應用了顆粒數量平衡方程，從而建立了絮凝過程的動力學生長模型，模型計算結果與試驗數據對比表明，二者趨勢一致，在沒有使用經驗參數的情況下基本上能夠描述黃河泥沙絮凝過程中絮體數量和尺寸分佈的變化過程；對絮體結構的研究中，應用掃描電子顯微鏡和透射電子顯微鏡對絮體進行了觀察，將絮體分為絮粒、絮團和絮網三個不同的生長階段，通過假設顆粒結合位置符西安建築科技大學博士學位論文合正四面體，建立了絮體結構模型，計算得到的模型絮體分形維數基本與試驗中的實際絮體相符，在一定程度上能夠反映高分子絮凝黃河泥沙生成的絮體結構。A geisha talks on the phone in the backseat of a car
一位藝妓正在轎車後座講電話。Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located
首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁場的二階矢量位形式：然後利用疊加原理，選擇合適坐標系，求解了導體球中時諧電流元的修正磁矢量位邊值問題，得到了問題的解析解；最後依據不同坐標系下電磁場解的轉化原理，藉助勒讓德多項式和n次1階球諧函數的加法公式，將坐標系特殊安放時的電磁場解析解變換到坐標系一般安放時的解析解，給出了球內電場和球外磁場的並矢格林函數。In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage
我們對兩種正交調制方式（ 16qam和4 - qpsk ）進行了模擬工作並給出了模擬結果，同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；然後在基於軟體無線電思想的數字處理平臺（該數字處理平臺實現了中頻數字化）上用dsp軟體完成了載波的相位跟蹤。The former was related to mn doping, both of p - carries supplied by la3 + or oxygen hole and n - carries induced by changing mn4 + into mn3 + can be locally displaced and simultaneously response with external electric field., furthermore due to the overlaps between positive and negative carries. the latter was due to the phase transformation between orthorhombic and cubic, which was in fact the curie point
前者為la ~ （ 3 + ）和氧空位等產生的p型載流子和mn離子變價引入的n型載流子在外電場下發生局域重排產生的載流子極化，且由於正負載流子的迭加效應所致，該介電峰與mn離子的摻入相關；後者為體系出現相應的正交與立方結構的轉變所致，也即居里點。In the hardware design, the paper completes modules ’ design like outside memory, patulous a / d, patulous d / a, rs232 communication, ecan communication, led control, keyboard control, distant control, emulation, reset, logic voltage switch, dsp supply power regulate and ac - dc power circuit, as well as room layout design like anterior panel, back panel etc. and dsp transfers data with peripheral equipments except outside memory using serial ports. besides, the whole circuit is configured in interrupt response. thus, it can meet system demand as well as take full advantage of tms320f2812 ’ s hardware resource. in the software design, the paper finishs programs like the interface programms intercommunicates with people, the distant control program, ad and da modules ’ control program, in addition, the paper select the velocity and acceleration state - feedback algorithm and is written in the program. the software design uses dsp integrate exploiting environment named ccs2. 2 of ti inc. as software instrument, and programs with the combination of c language and assembly language. moreover, in order to maintenance or modify the software expediently and shorten software ’ s exploitation time, the design adopt software modularization technique. finally, some air cylinder experiments are carried out to proved that the pneumatic controller is very practical
在硬體設計中，本文完成了片外存儲器擴展、 a / d擴展、 d / a擴展、 rs232通信介面、 ecan通信總線介面、液晶顯示控制、鍵盤控制、遠程控制、模擬、復位、邏輯電平轉換、 dsp工作電源校正電路和ac - dc電源等模塊設計以及控制器前面板、後面板等的空間布局設計。其中dsp與除外部存儲器的外圍設備之間的數據傳送全部採用串口通信，同時系統電路配置成中斷響應方式，這樣既滿足了系統要求，又充分利用了tms320f2812的硬體資源。在軟體設計中，本文完成了人機界面功能模塊、遠程控制模塊、 ad擴展模塊、 da擴展模塊、速度和加速度狀態反饋的控制演算法的程序設計。The simulation results show that, image will be severely degraded by phase fluctuations at typical conditions of the ionosphere, and can be well focused after calibration
模擬結果表明，電離層引起的相位起伏對成像影響較大，校正後可得到比較滿意的結果。During his time in ann arbor, larry built an inkjet printer out of lego bricks. while in the ph. d. program in computer science at stanford university, larry met sergey brin and together they developed and ran google, which began operating in 1998
在史丹福大學stanford university攻讀電腦博士學位期間， larry結識了sergey brin ，之後兩人即共同開發並經營google ，並於1998年正式開始營運。Special features for copying inputting originals auto paper select, auto scaling select, vertical horizontal independent anemographic magnification, final scale adjustment, copy density adjustment 7 degrees, scan start position adjustment, and copy position adjustment, top bottom bottom margin setting, mirror image, trimming, negative positive inversion, header, reference input, rotate image, sharpness, contrast, additional copy, scanning speed change
自動用紙選擇，自動倍率選擇，縱向或橫向獨立縮放，倍率微調，復印濃度調整，掃描起始位置選擇，復印位置選擇，前後端空白選擇，消除框線，鏡像，正負片反轉，頁眉，參照列印，畫面偏轉，明兩度，對比度，追加復印，掃描速度選擇，電子分頁可選配置When the cur - cuit resets, the chip remains accepting state, works in burst mode, and adopts dpsk modulation mode. it proceeds quadrature - sampled intermediate frequency signal after the ad9057 has converted, then down - converses, despreads and demodulates. the demodulated baseband signal will be sended into scm to dispose through interrupt
上電復位后，晶元處于接收狀態，工作在突發模式下，採用dpsk調制方式，將ad9057轉換完的中頻信號進行復正交取樣後下變頻、解擴、解調，通過中斷將解調完的基帶信號送入單片機處理；處于發送狀態時，可將數據擴頻、調制，經ad9768送出。The carrier wave is modulated directly by the baseband signal at several frequency point in l band and s band. firstly, this paper clarifies the theory of i / q modulation, elaborates evm and acpl, and analyzes the effect of amplitude and phase unbalance and dc offset on evm. secondly we review the basic principle of phase locked loop and it ’ s composing parts, including the basic conception and design method of pll frequency synthesizer, especially introduce the charge pump pll frequency synthesizer in detail
首先，在闡述i / q正交調制基本原理的基礎上，通過對誤差矢量和鄰近通道功率泄漏的詳細分析，定性、定量地討論了各種非理想電路因素（如相位不平衡、幅度不平衡、直流偏差等）對調制器性能的影響;其次，介紹了鎖相環的工作原理和基本組成部分，包括鎖相環的設計和環路濾波器的設計，特別詳述了電荷泵鎖相頻率源;第三，介紹了採用直接調制技術模擬衛星信號的射頻前端的設計;最後，對整個直接射頻調制系統進行測試，結果基本上達到了課題要求。Based on the comprehensive analysis of the application status and the existed problems of transmission line fault location, this dissertation presented a new algorithm for fault location based on two - terminal asynchronous data, which can make correction for the integrate error of line parameter, length of transmission line, sampling value and so on. at the same time, it can work out the two - terminal asynchronous phase angle with the corrected parameters
本論文在充分分析了國內外故障測距的理論與技術以及存在的問題后，針對輸電線路故障定位因線路參數變化對定位準確度的影響，提出了能夠對線路的參數、長度和采樣值等誤差等進行綜合誤差修正（ cie ）的新演算法，並利用修正後的參數來求解兩端的不同步相角差。After the above optimization, the accuracy in determining the location of lightning is 500 m within the network when all stations are operative
在上述完成後，並在所有探測站正常運作的情況下，于網路的范圍內，閃電位置的準確度為500米。In the simulation study, the parameters of dipoles were given, it would be considered whether it could be recovered correctly by dllm based on scalp potential sampling with a set of electrode array. it was also examined that how electrode number influenced the recovered quality of dipole parameters. the simulation showed that the number, position and strength of dipole set were greatly close to the original condition ; the shallower the dipoles were, the higher the precision of source localization was ; the optimal depth of dipole layer was greatly close to the ideal position ; the accuracy of source localization was increasing when more electrodes were used
在模擬研究中，首先設定已知的偶極子數目及其所在的偶極面深度等參數，然後用一定數目的電極抽取正向計算獲得的頭皮電位，考察該模型在上述理想條件下，基於頭皮電位是否能正確獲取偶極子數目及其參數、以及電極數目對結果的影響。The integrated navigation and position system, composed of gps and map matching technology, is applied in this text. the higher road network information in the digital map database is used as the moulding board to revise positioning errors of the receiving datum. according to the result of this pattern recognition process, the exact location will be displayed on the digital map
針對於此，本課題採用gps地圖匹配（ mapmatching ， mm ）組合定位技術，藉助于地理信息系統（ geographicinformationsystem ， gis ）數字地圖中的高精度道路網信息作為分類模板進行模式識別，根據識別結果校正gps原始定位數據的定位誤差，並把校正後的地理位置實時地顯示在電子地圖上。Positive after potential
正後電位According to the high spatial correlativity of the ionosphere contamination, then the rank one phase error estimation ( rope ) auto - focus method in imaging radar is suitably modified and applied to the ionosphere decontamination of hf radar echoes
根據電離層污染具有高度空間相關性的特點，將成像雷達中的秩一相位誤差估計聚焦方法適當修正後應用於高頻雷達回波信號去電離層擾動污染。The integrated navigation and position system, composed of gps / dr and map matching technology, is applied. in this text, visual c + + and the high precision road network information in the digital map database ( mapinfo mapx ) is used as the moulding board to revise positioning errors of the receiving datum. according to the result of this parten recognition process, the exact location will be displayed on the digital map
本論文採用地圖匹配（ mapmatching ， mm ）技術來校正gps / dr組合定位的定位誤差，在visualc + + 6 . 0環境下，藉助于電子地圖軟體mapinfo 、 mapx為圖形平臺的電子地圖中的高精度道路網信息作為分類模板進行匹配，根據匹配結果校正gps / dr系統定位數據的定位誤差，並把校正後的地理位置實時地顯示在電子地圖上。Perfectly complementing her photo, which was placed at the back of the booth facing visitors. masters lecture videos were shown continuously on a tv screen while the fellow practitioners worked eagerly to accommodate visitors. all through the day the initiates got a warm reception from guests as wave after wave flowed in and out of the booth
攤位的兩側置立了師父的復制畫心花不謝和山竹果，與攤位正後方的師父法相互相輝映，電視螢幕上師父的法音開示持續播放，加上大專同修的熱情宣揚，場面十分熱絡，一波波人潮湧進湧出。分享友人