相對電平 的英文怎麼說

中文拼音 [xiāngduìdiànpíng]
相對電平 英文
relative level
  • 相 : 相Ⅰ名詞1 （相貌; 外貌） looks; appearance 2 （坐、立等的姿態） bearing; posture 3 [物理學] （相位...
  • 對 : Ⅰ動詞1 （回答） answer; reply 2 （對待; 對付） treat; cope with; counter 3 （朝; 向; 面對） be tr...
  • 電 : Ⅰ名詞1 （有電荷存在和電荷變化的現象） electricity 2 （電報） telegram; cable Ⅱ動詞1 （觸電） give...
  • 平 : Ⅰ形容詞1 （沒有高低凹凸 不頃斜） flat; level; even; smooth 2 （高度相同; 不相上下） on the same l...
  • 相對 : 1. （面對面） opposite; face to face 2. （非絕對的） relative 3. （比較的） relatively; comparatively
  1. The power industry of our country is fast growing, having made the enormous achievement in power construction, installed power - generating capacity and annual generation have already averagly leapt to the second place in the world, regional high voltage, main net shelf of the voltage grade of superelevation that most areas have formed transprovincially, electric short supply state is improved by a certain degree, power industry has supported the fast development of national economy effectively. after the obvious change takes place in the state between supply and demand of electric market, the current electric system exposes some drawbacks not meeting the needs of socialist market economy system. it is obvious to monopolize the systematic defect managed day by day, the market barrier has hindered the forming of the electric market transprovincially between provinces, has hindered the electric power resource from improving the whole competitive power of national economy, the country determines to further deepen the process of the electric system reform

    本文運用市場營銷學、電力需求側戰略管理的相關理論，從對電力需求側管理與營銷現狀、存在問題和特徵的了解入手，通過對電力市場宏觀環境和電力市場主體的分析，對電力需求側管理與營銷目標市場進行細分，確立了電力需求側管理與營銷目標市場並進行定位，進而提出了電力需求側管理與營銷成本領先、市場滲透的戰略選擇，在戰略選擇的基礎上重點對電力市場營銷策略進行了研究，提出了實施營銷戰略和各項策略必備的組織、保障措施，對實施中可能出現的問題進行預測並提出相關對策，從而初步形成一套電力市場營銷體系，以指導供電企業的電力需求側管理與營銷工作，提高增供促銷水平。
  2. Because the monitoring of electricity equipment is still in the condition of traditional prophylactic test ( monitoring off line ), wordage list and management method of handwork operation, to strengthen the real - time monitoring of the operation state of electricity equipment ( monitoring on line ), find out the anomaly of equipment, monitor and analysis the fault, then take a corresponding measures to lower the fault loss so that we can make the transition between the regulations of periodic repairing equipment and the regulations of reasonable state repair, is the work which the department of power supply and operation make much of

    針對對現有電氣設備的監測大都還處于傳統的預防性試驗（離線監測） 、文字報表、手工操作的管理方式的現狀，加強對電力設備的運行狀態進行實時的監測（在線監測） ，及時發現設備的異常徵兆、對故障進行診斷分析，並採取相應措施，把故障損失降低到最低水平，進而將目前實行的設備定期檢修制過渡到更為合理的狀態檢修制，一直是供電和運行部門十分重視的工作。
  3. Secondly, the effects of the crest width of the back - emf waveform to the torque ripple in the 120 ? conduction mode are analyzed, among which the effects of the advance commutation angle to the torque ripple are quantificationally analyzed for the bldcm drives whose back - emf waveform crest width is less than 120 ?,

    其次分析了120導通方式下反電動勢平頂寬度對轉矩脈動的影響，對于平頂寬度小於120電角的非理想梯形波反電動勢，定量分析了換相超前角對換相轉矩脈動的影響。
  4. 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。
  5. The potential applications of amr include both civil and military communication, especially non - cooperative communications and communication confrontation, such as identifying signals, supervising signals, distinguishing interference, electronic confrontation, analyzing military threat, etc. on the basis of our analysis to the existing research on feature abstraction, the related feature abstraction methods are optimized in this paper, resulting several effective methods such as the feature abstraction based on transformation domain, stepped voltage level analysis, normalized carrier - free spectral energy analysis, squared signal and fourth powered signal analysis, etc. both the decision theory based on recognition algorithms and the artificial neural network ( ann ) based on recognition algorithms is analyzed, and the former is selected as it is more appropriate for this research

    調制類型的自動識別廣泛應用於民用通信與軍用通信，尤其是對于非合作性通信、通信對抗，比如：信號確認、信號監控、干擾辨識、電子對抗、軟體無線電、電子救援、通信對抗、軍事威脅分析等。本論文在分析現有研究的基礎上，借鑒了已有的特徵提取方法，對相關調制類型特徵提取方法進行了優化，使用了一些有效的方法，如基於變換域特徵提取方法、梯層電平分析方法、剔除載波后的歸一化頻域能量分析方法、信號平方后的頻譜分析方法、信號四次方后的頻譜分析方法等。通過對基於決策理論和基於人工神經網路兩種識別演算法進行分析，本論文選擇了較適合的基於決策理論的識別演算法。
  6. The calculation results show that the radius of the gas channels in the reaction layer and the porosity and average pore radius of the gas - diffusion layer seem to be less important for the performance of the electrode

    模型結果表明對于電極性能而言，氣體擴散層的孔隙率與平均孔徑以及反應層氣體通道的半徑，相對其他參數來說顯得不太重要。
  7. This study was conducted to examine the interrelationship of 10 seed vigor traits in 12 wheat genotypes through variance, co - variance and path coefficient analysis, to determine broad - sense heritability, and to estimate genetic advance under selection. the genotypes showed significant difference for all traits, except for percentage of normal seedling. genetic correlation between conversion efficiency of seed reserve, electrical conductivity with other traits were not significant, showed that selection for any of them might be possible without hampering any other traits. however path coefficient analysis indicated that conversion efficiency of seed reserve, seed reserve utilization ratio have strong direct effect in affecting seedling weight, and that mean germination time has significantly negatively correlated in affecting gi. moderate to high estimates of broad - sense heritability, genetic coefficient of variation and expected genetic advance were obtained for electrical conductivity, germination index, mean germination time, seed dry weigh, seedling dry weigh, seed reserve depletion ratio indicating the possibility for improving these traits

    本研究利用12個普通小麥品種對10個種子活力性狀的遺傳變異和相關研究，表明除正常幼苗百分率外，其餘種子活力性狀在品種間均存在顯著的差異.種子貯藏物質轉換效率、電導率兩個性狀間及與其它性狀均無顯著的遺傳相關，因此對他們的選擇不會影響到其它性狀.通徑分析表明幼苗干重主要取決于種子貯藏物質轉換效率、種子貯藏物質利用速率;發芽指數主要由平均發芽時間決定.電導率、發芽勢、幼苗干重、種子干重、發芽指數、種子貯藏物質消耗比率6個性狀表現中到高的遺傳力、遺傳變異系數和相對遺傳進展，指明通過遺傳育種手段改良這些性狀是可能的
  8. Therefore, the power department and users are concerned aboui harmonic and reactive compensation. the power department usually manage compute and measure the electric net " s harmonic condition and connected or new - connected harmonic load. and need to measure the harmonic vol tage current in some electric net " point. then, by manual making an in - depth analysis and statistics on measured - data, it can reduce harmonic harm on public not to take some effective measures

    電力部門通常在實際中，需要對電網的諧波狀況、已接入和新接入系統的諧波源負荷進行管理、計算及測量，需要對電力網路各點的諧波電壓、電流實際水平進行測試，然後對測試數據進行人工分析統計，並以此採取相應措施降低或減少諧波對電網的危害。
  9. A relatively security, reliable virtual private network _ and implementary plan was designed to meet the demands of data traffic, security of information transmission, transmission of video frequency, ip telephone, oa of companies. the design applied vpn and realized data increment service, for example, transimission of video frequency, ip telephone and oa and so on. these projects gained good economic and social utility for si chuan unicom

    論文依據四川某集團公司對網路數據通信、網路信息傳輸安全、視頻傳輸、 ip電話、集團公司oa的需求，具體設計了一個相對安全、可靠的虛擬專用網建設和實施方案，依據此方案在集團公司實施了vpn ，又在該vpn網路平臺上實現了相關的數據增值業務，如：視頻傳輸、 ip電話及集團公司oa等。
  10. The studies of in - layer heterogeneity are as follows : the text depicts the characteristics of heterogeneity by calculating the coefficient of variability, kmax / k and k. max / k. min of sand layers of different sedimentous microfacies ; divides interlayer into two types, and counts their numbers, thickness, frequency and density of a single sand layer according to the characteristics of lithology and logging, finally summarizes the characteristics of interlayer distributing ; sets up five in - layer heterogeneity models and points out that the primary models are model a and c. the studies of between - layer heterogeneity are as follows : the text depicts sand layers " growth and distributing conditions by calculating the lamination factor, sandstone density and overlap coefficient ; makes certain the lithology and thickness of interlayer by the method of contrasting the typical curves

    層內非均質性研究，通過計算不同沉積微相砂體滲透率的變異系數、突進系數以及級差來說明主要儲集微相的非均質特徵；據巖性及電性特徵，將層內夾層分為兩類，統計單砂層段內夾層的個數、累積夾層厚度、夾層頻率及夾層密度，並且根據夾層頻率及密度平面分布圖統計出每層的頻率相對高值區和低值區，總結夾層分佈特徵；根據物性參數隨深度的變化趨勢建立了五種儲層層內物性非均質模式，指出研究區內以a型和c型模式為主。
  11. 3. the solution for the distribution of potential internal the dielectric ellipsoid has been obtained by means of ellipsoidal coordinates, and has obtainted the expression of the polarization field strength in the dielectric ellipsoid, calculated the included angle value of polarization vector and the external field vector, making programe to compute to get the relation shetch between the included angle value of polarization vector and the external field vector and we have discussed the result and hold that the direction of polarization field strength with that of the external field don ’ t always strict antiparallel

    二、討論了帶電粒子在均勻電磁場中的相對論運動規律。三、討論了在均勻電場中電介質橢球體的極化規律。證明了電介質橢球內的極化場強方向與外電場方向並非嚴格相反，只有當外電場與電介質橢球的某一主軸平行或者當橢球體三半軸的大小都相等時，極化場強方向與外電場方向才嚴格相反。
  12. Although the jit ( just - in - time ) compilation technology helps java technology succeed on the desktop computer and server platform, the mobile phones with weak computing capabilities, extremely restricted memory and power supply make it much difficult to be used on the embedded java virtual machine

    雖然即時編譯技術幫助java在桌面機和服務器平臺上取得了巨大的成功，但是由於移動通信設備自身計算能力相對較弱、存儲容量和電力供應十分有限，使得即時編譯技術無法直接應用到嵌入式java虛擬機中。
  13. Firstly, the thesis briefly reviews the history of voltage and reactive power control technology, focusing on the defects of the equipment in use. then, with the theoretical analysis and the discussion on voltage and the characteristic of power system as well as the basic principle of voltage and reactive power control, the thesis makes a research on the character of voltage and reactive power control and interprets the controlling regularity of substation. in addition, with the consideration of the changes of transformer tips and the combined influence of capacity groups and reactive power and voltage, the thesis makes adjustment suggestion to the different operating - zones of voltage and reactive power

    本文從降低網損和提高變電站自動化水平著眼，對變電站電壓無功控制應用方面的問題進行了研究，本文首先簡要回顧電壓無功控制的發展概況，著重指出了現有電壓無功控制裝置的缺陷；通過理論分析，在討論電力系統電壓、無功調節特點以及電壓無功總體控制原則的基礎上討論了變電站電壓、無功控制特性以及控制原理，給出了變電站電壓無功的控制規律；考慮了變壓器分接頭的變化及電容器組的投切對無功和電壓的綜合影響，針對電壓、無功的各種運行控制區域給出了相應調節策略。
  14. In order to exert the speed performance of gaas mid frequency switch and improve the agility to be compatible with ttl control electric level of most present system, we studied the gaas mid frequency switch with ttl driver

    為了充分發揮gaas開關的速度性能，提高gaas微波開關的使用靈活性，以及與目前多數系統中的開關ttl控制電平相兼容，我們對ttl電平驅動器的gaas中頻開關進行研究。
  15. On the base of widely investigating and researching, author deems that the conventional reactive power compensation devices used by consumer had many defects with among others : lower response time, remaining residual voltage on the compensation capacitors, and so on. because of existing improper trigging time, it is impossible to realizing balance compensation for 3 - phrase unbalance loads

    本文在充分調研的基礎上，認為目前採用的傳統的無功功率補償裝置存在響應速度慢、觸發時刻不合適、補償電容器上有殘壓、不能實行三相平衡補償、對電網產生污染、不能消除負荷本身產生的高次諧波等弊病。
  16. Under windows nt and labview development environment, using the linear fit module, exponential fit module > general polynomial fit module of labview to design a method for fitting the experiment data, the results of curve fitting indicate that the purpose of general polynomial fitting is better than the rest. separating the equivalent input impedance of magnetostrictive transducers without stimulate current from input impedance of it with stimulate loop based on the results of curve fitting, and determining the syntony frequency and electric simulation network parameters of magnetostrictive transducers by this input impedance. finally, with labview network functions, realizing magnetostrictive transducer electric simulation system based on web server and discussing a scheme for this system network by datasocket. the method of this paper can more accurately determine the syntony frequency and electric simulation network parameters of magnetostrictive transducers than the testing method of syntony & anti - syntony. at the same time, discussing virtual instrument measurement system and how to realize magnetostrictive transducer electric simulation network system by labview network functions of network virtual instrument measurement development environment

    在windowsnt系統環境和labview虛擬儀器技術開發平臺下，首次利用labview中的直線擬合模塊、指數擬合模塊以及多項式擬合模塊，設計了一種對實驗所得數據進行曲線擬合的方法，對三種擬合方法進行了比較，曲線擬合結果表明，多項式擬合方法相對于其它兩種擬合方法效果更好；根據曲線擬合的結果可從帶激勵線圈的磁致伸縮換能器的輸入阻抗中分離出磁致伸縮換能器鐵芯在無激勵電流時機械振動形成的等效輸入阻抗，並由此輸入阻抗確定了磁致伸縮換能器的諧振頻率及其電氣模擬網路參數；最後通過labview提供的網路功能，實現了基於web服務器的磁致伸縮換能器電氣模擬虛擬儀器測試系統，並探討了通過datasocket技術實現該系統網路化的方案。
  17. During the infrared failure circuit detection system is diagnosing the electronic equipment, because the time and the place are different between the infrared thermal imaging device is diagnosing the standard electric circuit board and the infrared thermal imaging device is diagnosing the failure electric circuit board, the position of their infrared thermal image will take place the relative changing ( for example translation or revolves )

    在紅外電路故障診斷系統對電子設備診斷時，由於紅外熱像儀對標準電路板進行檢測的時間與地點和紅外熱像儀對故障電路板進行檢測的時間與地點的不同，導致它們的紅外熱像圖的位置會發生相對改變（如平移或旋轉） 。
  18. Relative audio - frequency intermodulation product level

    相對音頻互調產物電平
  19. The average partical size of bismuth ruthenate and pbo - b _ 2o _ 3 - sio _ 2 glass was researched. the smaller bismuth ruthenate partical is, sheet resistivity is lower and temperature coefficient of resistance ( tcr ) is more positive and the refiring change ratio is nearer to zero. the limit size of bismuth ruthenate partical is 0. 56 m

    研究了各相粉體平均粒徑對膜層性能的影響，結果表明:釕酸鉍平均粒徑越小，膜層的方阻值越小，電阻溫度系數偏正，重燒變化率越接近零值，球磨工藝的極限平均粒徑為0 . 56 m 。
  20. During the accelerated thermal aging and ultraviolet radiation aging of pmma which is used as the core materials of fiber in pof, it was found that the relative permittivity of pmma decreased significantly to approximately equal to its square refractive index

    摘要實驗中觀察到用作塑料光纖纖芯材料的純有機玻璃（聚甲基丙烯酸甲酯）在加速熱老化和紫外老化過程中其相對電容率急劇下降至大約等於其折射率的平方，即有機玻璃由極性聚合物變為非極性聚合物（ 「全去偶極子極化」現象） 。
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