波包部分 的英文怎麼說

中文拼音 [bōbāobùfēn]
波包部分 英文
wave packet portion
  • 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...
  • 部 : Ⅰ名詞1 （部分; 部位） part; section; division; region 2 （部門; 機關或組織單位的名稱） unit; mini...
  • 分 : 分Ⅰ名詞1. （成分） component 2. （職責和權利的限度） what is within one's duty or rights Ⅱ同 「份」Ⅲ動詞[書面語] （料想） judge
  • 部分 : （整體中的局部或個體） part; section; portion
  1. It make the principle formula become simpler and more practical. by the attenuation regulation and distributing character of stress wave under the linear charge blasting, the paper bring forward the idea that the columniation stress wave can be regarded as cylinder stress wave, the end stress wave as spherical wave. the perfect stress attenuation formula in radical direction is established in complete elastic medium

    根據條形藥包爆破應力波分佈特徵及衰減規律，提出了可將條形藥包爆破柱部應力波當作柱面波、端部應力波當作球面波處理的研究方法：建立了理想的完全彈性介質中球藥包和條形藥包爆破徑向應力衰減方程。
  2. Monitor apparatus can measure valid value of three phase voltage and current, power factor, three phase disequilibrium, instant flecker of short time and harmonic without twenty, degree and harmonic distortion total. the paper are laid on the following. ( 1 ) master plan and function of circuit, ( 2 ) hardware design including circuit and principle of a / d conversion, phase lock, liquid crystal display and keystroke and so on, ( 3 ) design of system software including digital filtering, fft, a / d conversion and monitor interface of pc, ( 4 ) system test

    監測儀能夠完成包括三相電壓、三相電流的有效值、功率因數、三相不平衡、電壓短期閃變、以及20次內的諧波、諧波相位、諧波失真總量等的測量。論文重點介紹了以下幾部分： （ 1 ）電路的總體設計和功能； （ 2 ）硬體設計，包括a d轉換、鎖相環、液晶顯示和按鍵輸入等原理和電路。 （ 3 ）系統軟體設計，包括a d轉換、 fft 、數字濾波等程序的原理和演算法以及上位機監控界面的設計； （ 4 ）系統測試。
  3. The way of taking one nth out of capacitor ' s the first harmonic capacitive reactance as its nth harmonic impedance is verified whit the data from tang7c. according to the approximately estimating method, the first harmonic impedance of 220kv system is calculated. on the basis of the models, this paper gives the harmonic equivalent circuit of substation and gives the b ( n ) function of the harmonic time n. when the capacitors has different combination, b ( n ) ' s value will also change, with the inputting local measurement data, the paper studies the series and parallel resonance at the substation, and deduces that the reason the capacitor ' s fuse of tang6c is frequently interrupted is that its capacitor current contains a large number of 5th harmonics, and that the reason the discharging pt of tang7c capacitor being exploded is also that the 7th and 9th harmonic currents are amplified

    據此，對該站進行了串聯諧振分析和並聯諧振分析，並結合測試數據和有關變電站的運行記錄，指出了導致該站電容器湯6c頻繁燒保險的主要原因是5次諧波電流含量偏高，引起湯7c放電pt爆炸也是因為7次和9次諧波電流被放大。針對這些導致湯陰變電站補償電容器故障的原因，提出了相應的諧波治理措施，包括針對湯6c電容器5次諧波電流含量偏高的原因，提出了停運湯6c電容器或者通過把湯sc電容器的部分容量併入湯6c電容器（湯sc其餘部分停運）以增加湯6c諧波承受能力的措施;針對# 2變低壓側7次和9次諧波電流被放大的現象，提出了在湯7c電容器上加裝一定百分比的串聯電抗器的措施。
  4. Signal channel is composed of photodetection preamplifier and filter circuit, reference channel and correlation demodulator are realized by labview

    信號通道由硬體實現，包括光電探測前置放大電路及濾波電路;參考通道及相關解調器部分則利用labview軟體編程實現。
  5. This paper starts the research of the liquid floated pendulous accelerometer testing system according to the engineering. at first, this paper gives the brief introduction of the history and present status of accelerometer and its testing technology, the working principium and math model of the liquid floated pendu - lous accelerometer, and then, decides the binary width pulse force retrim loop as the design proposal of testing system, researches the transfer function of every part in the system emphasizly, analyses the stability of the whole accelerometer testing system from the angle of control theoretics by the open loop transfer function of system, and designed the correcting net, analyses the basal problems such as resolution, sampling restraint, precision and so on, designs the hardware testing circuits such as preamplification, band - pass filter, alternating amplifier, phase sensitive demodulatorn, pulse - width modulation, frequency scale circuit, moment current generator. finally, using the graphics program language labv - iew which is designed for testing field especially by ni accomplishes the solfware design of testing system, realized the testing functions

    首先對加速度計及其測試技術的發展歷史和現狀，液浮擺式加速度計的工作原理和數學模型等作了簡要的介紹，然後確定了以二元調寬脈沖再平衡測試迴路為設計方案，並從控制理論的角度進行了分析，著重研究了系統中各部分的傳遞函數，利用系統開環傳遞函數分析了系統的穩定性，同時設計了系統的校正網路;分析了二元調寬脈沖再平衡測試迴路的解析度、采樣約束以及測試精度等基本問題，並按照系統分析的結果設計了包括前置放大、帶通濾波、交流放大、相敏解調、脈寬調制、頻標電路以及力矩電流發生器等測試系統各部分硬體電路，驗證了電路的正確性，最後按照測試系統的要求，採用了美國ni公司專為測試領域所開發的虛擬儀器工具? ? labview作為測試軟體開發工具，利用該圖形化編程語言完成了測試系統軟體部分的設計，實現了測試功能。
  6. The first part is a statistical study about the probability of wave breaking and the fraction of sea surface covered by breaking water ( ie. whitecap coverage ), while the second part is a dynamical study about the influence of nonuniform current fields on the breaking of short wind waves

    本文內容包括兩個部分，第一部分是風浪破碎率和白浪覆蓋率等破碎統計特徵量的統計學研究，第二部分是非均勻流場對短波破碎影響的動力學研究。
  7. With the frequency division of wpd, etm uses shannon entropy as the criterion of determining whether or not dsi exist in certain wpd tree nodes and interference are suppressed successfully. lots of simulation data, lab data and on - site data have indicated that etm works with good efficiency, without pre - knowing of dsi information, extracts the phase of pd pulses accurately and can calibrate quantity of single type discharge

    大量的模擬數據、實驗室實測數據以及現場實測數據處理結果表明，小波包變換熵閾值法抑制干擾能力強，無需事先確定干擾的分佈，能夠準確檢測局部放電信號的相位信息，對于單一的放電類型，可以確定放電量的大小。
  8. The main research works of this dissertation are aimed to design of radar waveform and the application of wavelets in ultra - wide radar, including : the design of a new kind of hybrid radar and the research of time side - lobe suppression for pulse compression, the design of receiver r adio front end in data acquisition of ultra - wide band radar, the time delay estimation based on wavelets ( packet ) analysis

    本文主要進行雷達波形設計研究以及研究小波理論在超寬帶雷達中的應用，集中體現在以下幾個方面：一類新的組合雷達波形設計及壓縮脈沖時間旁瓣抑制技術研究、超寬帶雷達多通道數據採集方法中前端射頻接收部分的設計及研製、基於小波（包）方法的時延估計方法。
  9. Firstly, this paper introduces the basic structure of narrow band fir digital filters. secondly, it analyses the components of narrow band fir digital filters, which conclude cic filter, hbf filter, resampling techniques. based on these analyses, the paper gives the full structure of narrow band fir digital filters and analyses its characteristics, which are frequencies response, anti _ aliasing and anti _ image

    本文首先簡單介紹了窄帶fir濾波器的基本結構，然後對窄帶fir濾波器的各組成部分進行了詳細分析，內容包括：積分梳狀濾波器（ cic ）的特性和設計，半帶濾波器（ hbf ）和整形濾波器的特性和設計，重采樣技術的原理與實現。
  10. This paper consists of 3 sections : the theory and analysis of the conformal phased array, design of conformal array microstrip patch, and design and analysis of the millimetre microstrip conformal phased array

    本論文主要包括共形相控陣天線理論分析、共形陣列微帶貼片單元的設計、毫米波共形相控陣陣列的設計與分析等三部分內容。
  11. The crosswell seismic data processing mainly consists of two aspects : one is crosswell tomography imaging processing, and another is crosswell back wave stacking imaging processing

    井間地震資料數據處理主要包括兩個方面：井間層析成像處理和井間反射波疊加成像處理兩大部分。
  12. 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。
  13. The expressed product was lysised with supersonic wave and purified by sds - page. elisa analysis revealed that the antigenicity of the vpi protein has been detected. the forth part - detection of aev - nh937 strain by in situ hybridization ( 1sh ) - probe was labelled with digoxigenin ( dig ). then the probe hybrid with 5d, 10d, and 20d postinfection brain tissue of chicken. the results of the ish showed that the positive signal was found in 3 cases, while control group was negative. there has been a reasonable correlatien between this method and other detection test

    經超聲波裂解，用尿素溶解包涵體，電泳純化后，利用elisa檢測vp _ 1外殼蛋白，表明具有一定抗原性；第四部分：應用原位雜交檢測aevi用dig標記的探針與sd 、 10d 、 20d的攻毒雞腦組織雜交，來檢測那v的rna 。
  14. The general nonlinear propagation equations of four - lightwaves in birefringent fibers are deduced. the characteristics of polarization mode dispersion in 4 + 10gb / sdwdm system in dispersion - flattened fibers is studied. our results show that pmd exerts a detrimental influence on 4 x logb / sdwdm system in limiting transmission rate and the channel numbers

    本論文研究波分復用（ wdm ）系統中偏振模色散的影響，主要工作包括下面兩個部分：一、導出了四波長光波在雙折射光纖中傳輸所滿足的一般非線性耦合方程；在此基礎上，研究色散平坦光纖中4 10gb sdwdm系統的偏振模色散特性，並且進一步研究了偏振模色散對不同通道間隔的4 10gb sdwdm系統的影響。
  15. In the third chapter, the hardware design of the radar echo simulator is introduced, including the unitary chart of hardware structure and design of each part in this system, which is composed of designs of computer interface, controlling sdram and controlling ide harddisks and some introduction about d / a and fpgas used in this system

    再次，介紹了本雷達回波模擬器的硬體設計，包括總體硬體結構框圖、系統各部分的硬體設計。系統各部分的硬體設計包括計算機介面設計、大容量高速緩存sdram的控制設計、 ide介面硬盤的控制設計、關于d / a的介紹和本系統使用的fpga的介紹。
  16. In 1909, ernest rutherford showed that atoms were mostly empty space, revising the model of an atom to a tight positive nucleus containing the protons and neutrons with electrons around it ; by 1913, danish physicist neils bohr envisioned a planetary arrangement in which the electrons orbited the nucleus at different energy levels

    在1909年，歐內斯特?盧瑟福展示原子大部分是真空區，修正的原子模型就是緊密的陽性核包含質子和中子，電子圍繞中子旋轉；到1913年，丹麥物理學家尼爾?波爾想象了一個電子以不同能量水平面圍繞原子核旋轉的行星排列。
  17. Rmb deposit and loan interest rate float block expands gradually, and progressively move towards marketization day by day. part iii : on the basis of using the experience and lessons of the change of interest rate in other countries for reference in course of the interest rate marketization, it is believed that there should be a course of raising up slightly in the interest rate in the early stage. but the market fluctuations it causes will not be too much ; according to actual operation result and a medium or long term of the reform, foreign currency interest rate has already drawn close to international interest rate competence progressively ; viewed from a short time, rmb loan interest rate total competence will tend towards dropping, some loan interest rate may rise ; the interest rate of the deposit will raise up unilaterally

    總體而言，發展中國家的存貸利差要高於發達國家；第二部分：在總結前幾年利率改革包括市場化改革的基礎上，認為，迄今為止，我國利率市場化改革的程度總體上還比較低：同業拆借利率、貨幣市場債券回購利率、現券交易利率、外幣貸款利率、大額外幣存款利率等已完全市場化或基本市場化，人民幣存貸款利率的浮動區間已逐漸擴大，並已漸進的方式日益走向市場化；第三部分：在借鑒境外利率市場化過程中利率變動的經驗教訓的基礎上，認為在我國利率市場化的初期，利率應該有一小幅上揚的過程，但是其造成的市場波動應該不會太大；從改革的實際運作結果和中長期來看，外幣利率已經逐步的向國際利率水平靠攏；從短期來看，人民幣貸款利率總水平將趨于下降，部分貸款利率有可能上升，存款利率將會單邊上揚。
  18. The results show that : ( l ) adoption of the intermittent mean price instead of the point price at the end of the option will help to reduce the chances of profit - making manipulated by managers and to curb the manager ' s motive to control the stock price ; ( 2 ) generally speaking, stock price of mean price option is more incentive to the managers than that of the black - scholes ; ( 3 ) when the stock market slumps at the end of the option, mean price option will ensure a moderate insurance for the managers ; ( 4 ) when stock price slumps alone with the overall situation of the stock market in the intermittent option, mean price option. however, will be inefficient as an incentive. chapter four addresses the questions concerning the manager ' s manipulation of the stock price, and the increase of the option risks because of long - term slump of the stock market

    第三部分包括第三至五章，第三章針對時點價格容易被控制和時點價格的波動性太大，增加了經理期權的風險等問題，研究採用期權期內的平均價格替代期權期末的時點價格計算經理股票期權收益，構建了幾何型平均價格期權定價公式，並與black ? scholes期權定價公式進行了定量對比分析，結果表明： （ 1 ）採用期權期內平均價格替代期權期末時點價格有利於降低經理通過操縱股價的牟利機會，遏制經理操縱股價的動機； （ 2 ）一般條件下，平均價格期權股票價格對經理的激勵作用優于標準期權； （ 3 ）當臨近期權期末股價下跌時，平均價格期權能為經理提供適度保險； （ 4 ）當期權期內，股票受大市持續走弱影響而下跌時，平均價格期權失去了激勵作用。
  19. One is the non - orthogonal gabor - daubechies frame, or g - d frame, a complete set of discrete window fourier functions which are constructed by space - shifting and harmonically modulating a gaussian window. although a g - d frame is not an orthogonal basis, it bears considerable advantages for the study of physical problems, especially those related to the wave field extrapolation, due to the optimal localization properties of the gaussian window function under the heisenberg uncertainty principle

    其一為將高斯窗函數經平移和調制而構成的一組窗口富里葉框架（ gabor - daubechies框架，或g - d框架）基本函數，另一種為在富里葉分析和小波包理論基礎上發展起來的局部餘弦基函數。
  20. In the part of modulation and demodulation, we analyzed the principles of harmonic mixer, detectors, power dividers / combiners and branch - line couplers

    對調制/解調器射頻電路部分，包括亞諧波混頻器、檢波器、功率分配/合成器和分支線耦合器基本原理進行了分析。
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