high q and high 中文意思是什麼

high q and high 解釋
高q值和高v值帶
  • high : adj 1 高的〈指物，形容人的身高用 tall〉；高處的；高地的。2 高級的，高等的，高位的，重要的。3 高尚...
  • q :
  • and : n. 1. 附加條件。2. 〈常 pl. 〉附加細節。
  1. Surface transverse wave has the 1. 6 high frequency than rayleigh type surface acoustic wave ( using the same technology the frequency of devices of stw has about 1. 6 high frequency than rayleigh type surface acoustic wave ). the paper introduces the theory, design parament, technology and result expeiment of surface acoustic wave ( includes rayleigh surface acoustic wave and surface transverse wave, simple stw ) with low insertion loss, high q and researches the high frequency, low phase noise oscillator with 1ghz stw resonator as frequency element. and describes measurement method and finally experimantal result of the low phase noise surface acoustic wave oscillator

    本文研究了以低損耗、高q值聲表面波（其中包括聲表面瑞利波- - rayleighsurfaceacousticwave ，和聲表面橫波等）諧振器的工作原理、設計參數、製作工藝及其實驗結果，並且研究了以1ghzstw諧振器為頻控元件的高頻率、低相位噪聲聲表面波振蕩器，以及低相位噪聲聲表面波振蕩器的測試方法和最終的測試結果。
  2. Two high q bandpass filters at millimeter wave band based on substrate integrated waveguide ( siw ) and low temperature co - fired ceramics ( ltcc ) are designed in this thesis, and one is realized

    本文主要講述了基於介質集成波導（ siw ）技術和ltcc工藝的毫米波頻段高q濾波器的研製。
  3. While simulating the resonant circuits, we finished a microstrip resonance, which has high q - factor and fits to design w - band low phase noise oscillators. select beam lead hyperabrupt junction varactor and gunn die made in china as vco ’ s frequency turning component and minus resistance

    此外，文中還對w頻段微帶結構直流偏置網路、微帶波導過渡等外圍電路進行了模擬優化，設計方法和結論對毫米波微帶電路設計具有通用的參考價值。
  4. Particularly, cr4 + - doped crystals as passive q - switch ( saturable absorber ) have got extensive attention, such as cr4 + : yag ， cr4 + : gsgg ， cr4 + : mg2sio4 and cr4 + : yso, which have the advantages of wild absorption band, good saturable absorption, long restored time, good photo - chemical stability, no fading, good thermal conductivity and high damage threshold

    特別是近年來，摻cr4 +離子的各種晶體如cr4 + : yag ， cr4 + : gsgg ， cr4 + : mg2sio4和cr4 + : yso等作為被動調q開關受到了廣泛的關注。它們具有很寬的吸收帶和良好的飽和吸收性質，恢復時間較長，光化學性質穩定，無退化現象，熱導性好，損傷閾值高。
  5. Analysis and design of the bef with high q using ewb

    值陷波濾波器的分析與設計方法
  6. Spontaneous emission can be totally suppressed or strongly enhanced depending on the relative position of the resonant frequency from the edge of the photonic band gap and the photonic mode density. several novel phenomena can be obtained. the spontaneous emission displays an oscillatory behavior, classical light localization, photon - atom bound state, nonzero steady - state population and anomalously large vacuum rabi splitting. and localized mode associated with a defect site in an otherwise perfect photonic crystals, acts as a high - q micro - cavity

    通過原子上能級與光子頻率帶隙邊緣的相對位置或者光子態密度，可以抑制或增強原子的自發輻射。分析並得到了一些奇異的現象，如自發輻射的諧振子行為、光的局域、單光子?原子局域態、上能級中存在非零穩態原子布居數、類似於真空中的拉比頻率分裂等。
  7. Presents the development of modern signal processing techniques, a new implementation method which realizes quadrature coherent detection by direct sampling of if signal generated during the implementation of traditional quadrature coherent detection with analog elements in the form of two parallel baseband channels where in phase ( i ) and quadrature ( q ) components of ceived if singnal where, the imperfect matching of the separate channels due to the analog elements results in high phase and amplitude which meets the needs for high performance radar signal processing, the elementary principles and the implementation process for each method and concludes from simulation results to compare their features and application conditions that the new approach can satisfy of the requirements of high performance sp

    針對近年來提出的通過直接中頻采樣來實現正交相干檢波的方法，分析了其基本實現原理，並用統一的觀點解釋了迄今為止國內外基於此提出的各種實現方法；對每一實現方法的基本原理和實現過程都作了分析，並給出了計算機模擬結果；在此基礎上比較了各方法的性能指標及適應條件.理論分析和模擬結果證明，這一方法完全可以滿足高性能信號處理的要求
  8. First super - low specific - speed centrifugal pump has a long and narrow flow passage for its high head and low capacity, and the power absorbed by disc friction is too high, so the efficiency is very low ; secondly the diffusion of flow passage is so high, that the reserved flow often emerges at the inlet and outlet of impeller. therefore the h ~ q characteristic curve is often hump - shaped, and at the low - capacity operating condition the instability often occurs ; thirdly the centrifugal pump at high - capacity operating condition is easy to overload because the n ~ q curve appears a rising trend

    首先由於它的揚程較高、流量較小，所以它的流道狹長，圓盤摩擦損失較大，效率相對較低；其次由於它的流道擴散較嚴重，易在葉片進口產生迴流和在出口產生脫流，揚程流量特性曲線易出現駝峰，在小流量工況下易產生不穩定現象；第三，由於其功率流量曲線呈現上升趨勢，在大流量區運行時電機易過載。
  9. 4. the dipole squeezing of a a - type three - level atom interacting with a strong coherent field in a high - q kerr cavity is investigated. the effects of the kerr medium, the field - atom coupling coefficient and the detuning on the atomic dipole squeezing are discussed by numerical calculation

    4 .研究了充滿高qkerr介質腔內強相干光場與a型三能級原子相互作用中原子的偶極壓縮效應，著重討論了kerr介質、原子與光場間的藕合系數以及失諧量對原子偶極壓縮的影響。
  10. The substrate integrated waveguide borrow advantages of both of the rectangular waveguide and the microstrip, such as : high q, low loss just like rectangular waveguide ; small size, low profile, low cost, easy to be integrated like microstrip

    它綜合了矩形波導和微帶線的一系列優點:和傳統的矩形波導一樣集成波導具有較高的品質因數和很小的輻射損耗;而它又和微帶線一樣具有體積小、重量輕、容易加工和集成等優點。
  11. As a planar structure, microstrip fit for hybrid integrity, but their disadvantages also exist : the dissipation loss caused by conductor, radiation, and dielectric, therefore, they are not suitable to be used in millimeter wave applications and couldn ’ t compose high q passive components

    微帶線作為一種平面電路結構，適合於系統的混合集成，但是這種結構也存在一定的缺陷，由於導體損耗、輻射損耗和介質損耗的存在，使得它不適于工作在毫米波波段，也無法構成高q值的部件。
  12. The isospin effect and k production in intermediate and high energy heavy ion collisions ( hics ) are hot topics in the nuclear physics. based on the isospin - dependent quantum molecular dyanmics ( iqmd ) model and self - consistent relativistic boltzmann - uehling - uhlenbeck ( rbuu ) model, we have studied them and obtained some interesting results. as for the study of isospin in intermediate energy hics, we ' ve investigated how both stength ( q ) and density dependence of symmetry potential ( sp ) affect many measurable observables, such as the yield, phase - space, and isospin distributions of fragments, as well as the correlations between intermediate - mass - fragment ( imf ) multiplicity n and charged - particle multiplicity n, light - charged - particle ( lcp ) multiplicity n, and neutron multiplicity n,

    在中能重離子碰撞的同位旋研究方面，分別研究了對稱勢的強度（ c _ s ）和其密度依賴形式對中能重離子核反應各類碎片產物產額、相空間、及其同位旋的分佈，中等質量碎片多重數（ n _ （ imf ） ）與帶電粒子多重數（ n _ c ） 、輕帶電粒子多重數（ n _ k ） 、中子多重數（ n _ n ）的關聯等多種實驗觀測量的影響，以獲取對稱勢中該兩方面的信息，尤其著重於研究如何分別獲取有關該兩方面的信息的途徑。
  13. Diode pumped solid - state q - switched laser is a good source of pulse laser with high peak power and high repetition rate

    而ld泵浦的固體調q激光器是產生高峰值功率脈沖激光的優質光源。
  14. It was found that self - assembly films of napss / pdda showed low impedance, good linearity and high sensitivity. impedance of sensors with 25 bilayers of napss / pdda composite film changed linearly for four orders of magnitude ( 10 - 10 q ) over the range of 20 % rh ~ 95 % rh. furthermore it was found that organic / inorganic nanocomposite films exhibit faster response than organic / organic composites

    發現： napssrpdda體系具有阻抗低、響應線性度好、濕滯小、響應快、靈敏度高等優點，其中雙層數為25的濕敏元件在20 rh95 rh濕度范圍內具有良好的線性響應，阻抗變化近4個數量級』 l 』 q卜靈敏度高。
  15. With good experience r d engineers and high quality employees taiwan filler start the business. we treat all customers the v. i. p, no matter the scope of project, we do our best to all details. the team in taiwan filler with strictly control from offering, management producing, q. c and shipping. what we are focus in provide best product and reliable performance

    喬泓實業股份有限公司專精食品飲料罐頭包裝等一系列從規劃設計製造服務，經營團隊均有數十年之實戰經驗，秉持豐富的技術研發設計製造永續經營及周全之服務，為業界提供最佳的平臺。
  16. Then in this article resonance method is adopted. the paper analyzes the usual measurement methods of complex permittivity, then analyzes and chooses te0np circular cavity based on the methods of the te01n high - q circular cavity, uses the mode purifying and cavity dimension optimizing techniques. the resonant frequencies of varies modes in the resonant cavity have been drawn by using matlab software, which makes our work more rapid and convenient

    本文首先分析了復介電常數的常用測試方法，然後分析並選用了基於高q腔法原理的te0np圓柱腔，應用模式凈化和腔體優化技術，利用matlab這一運算性能強大的工具軟體編程，作出諧振腔中各個模式的頻率分布圖，使系統的設計工作清晰、便捷。
  17. By using the projective covering method and projective covering probability, fractal and multifractal dimensions of different types of landform sueface above are computed. results show that all the studied landform surface are not simple fractals, but multi - range scaling fractals, and the fractal dimensions increase with the landform type from basin to mid - low mountain and high mountain. nevertheless, different type landscapes perform different dq - q curve shapes. which the dq value has the widest range in the high mountain type, the second one is the mid - low mountain type, and then the basin type

    對不同時段地震形變場圖象多重分形特徵的研究表明，震源區及近震源區強震前垂直形變圖象都出現信息維降低，多重分形譜曲線dq變陡，值域范圍變寬的特徵，說明在強震前地殼垂直形變出現了局部化、不均勻性增強的行為，這些對地震預報都有重要的實際意義。
  18. The goal of this subject is to sum up and exploit our technique how to produce low phase noise wideband vcos, through investigating and studying the basic theory and recent research fruits, combining national condition, and produce our low phase noise wideband vcos. using high q components, such as : coaxial resonator, dielectric resonator, makes bandwidth of vco become narrower, so that recently common wideband vcos generally make inductor and capacitor ( lc ) as resonators, combining varactors with wide range tunable capacitance, and achieve the wideband

    本課題旨在通過對低相噪寬帶vco的基本原理、國內外在這方面的進展，結合國內的實際情況進行研究，總結和開發出自己的方法，形成自己的理論。並把它運用於實踐，以製造出低相噪的寬帶vco 。由於加入高q元件，如：同軸諧振器、介質諧振器等，會導致振蕩器帶寬比較窄，目前的寬帶vco一般採用電感電容（ lc ）作為諧振元件，輔之以大變容範圍的變容二極體，達到寬帶的目的。
  19. At present the manufacture of surface acoustic wave use the technology of the final submicron. a series of the devices of low insertion loss, high q saw rayleigh surface acoustic wave resonators or stws that insertion loss has less than 5db, load quality factor ( ql ) is more than 1000 on the quartz piezoelectric with zero of first temperature factor in the research. these difference frequencies are 60mhz, 280mhz, 739mhz and 1ghz of normal frequency and at also surface acoustic wave. using 1. 25db noise factor amplifier, careful design curcuit, good setting printed curcuit board, and using the 1ghz surface transverse wave resonator as frequency element, researching the low phase noise surface acoustic wave with sideband phase noise near ? 120dbc / hz deviating 1khz on carrier, spurious suppress with 80db

    本研究採用一階溫度系數為零的壓電石英基片上製作出損耗小於5db 、有載品值因素（ ql值）超過1000的一系列低損耗、高q值聲表面波rayleigh波或stw諧振器，頻率分別為60mhz 、 280mhz 、 739mhz和1ghz等不同頻率的高性能聲表面波諧振器。並採用噪聲系數為1 . 25db的低噪聲系數放大器，精心設計電路，優化設計布置印製電路板，用標稱頻率為1ghz的聲表面波諧振器為頻率控制元件，製作出在偏離載頻1khz處的單邊帶相位噪聲近- 120dbc / hz 、雜波抑制達80db以上的低相位噪聲聲表面波振蕩器。
  20. To date, most research on cmos rf circuits is focused on cmos rf front - end including some key building blocks such as low - noise amplifier ( lna ), mixer, bandpass filters, voltage control oscillators and power amplifiers. in si rf 1c, inductors need be realized on a silicon substrate along with all of the other devices in a single chip. in fact, the need for high q integrated inductors in rfics is increasing

    在無線通信技術對cmos射頻集成電路需求的大背景下，本論文在大量深入調研的基礎上，圍繞射頻集成電路中必不可少的、有多種應用的無源器件?硅集成電感及其相關的cmos射頻集成單元電路，先後在上海冶金所微電子分部工藝線上及利用上海市科委的多目標晶元項目（ mpw ）在無錫華晶上華半導體有限公司進行了大量的實驗研究，得到了一些新的結果。
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