寬展率 的英文怎麼說

中文拼音 [kuānzhǎnlǜ]
寬展率 英文
percentage spread
  • 率 : 率名詞（比值） rate; ratio; proportion
  1. Based on the real situation of submarine and antisubmarine warfare ( asw ), according to the classical design theory of transducer or transducer array, a sonar will be researched and made, which has the feature of more wider bandwidth, more lower operating frequency, more lager radiation acoustic power, more farther operating distance, more higher researching efficiency and more higher directive accuracy

    本文根據現代潛戰和反潛戰（ asw ）的實際情況，按照經典的換能器和基陣的設計理論，研製聲吶，旨在擴展其頻帶寬度、降低其工作頻率、增大其發射功率、擴大其作用距離以及提高其搜索效率和定向準確度。
  2. The direct application of eftl is flat panel displays. it has several preferences, emissive, wide view angle, quick response, wide working temperature range, high pixel resolution, anti - strike, long life, less number of fabrication process etc. all these properties are better than plasma display fed and lc

    它的主動顯示、平板化、視角大、反應快、工作溫度范圍寬、像素鑒別率高、抗震動、壽命長、工序少等特點，都勝過液晶、等離子體、 lc等顯示技術：第一章介紹了無機電致發光及有機電致發光的發展現狀和存在問題。
  3. The main features of the apparatus are focus on small volume, light weight, no iron core, no magnetic saturation and no ferreous resonance, moreover, related advantages such as the large range of transient and frequency response, excellent electrical magnetic compatibility, oil - free configuration, reliable insulation structure, are all the trends of current transformer in the future. meanwhile, it should agree with the future power gauge and digital, computer, automatic relay protection. it will meet the demand of digital power network

    它具有體積小、重量輕；無鐵芯、不存在磁飽和與鐵磁諧振問題；動態響應范圍大，頻率響應寬；抗電磁干擾性能強；無油化結構、絕緣可靠、價格低等優點；是未來電流互感器發展的方向，是新一代電力數字網發展的需要，適應電力計量和保護數字化、微機化和自動化發展的潮流。
  4. An acoustic-emission pulse contains a very wide range of frequency components, extending up into the megacycle range.

    聲發射脈沖就包含一個很寬的頻率組成范圍，可擴展到兆赫。
  5. With the rapid development of the semiconductor technology, large of the vacuum electronic device has replaced by the semiconductor element from the middle period of the last century. however, the vacuum electronic device owns tremendous prepotency in the exceed - high frequency and wide frequency band and high power field, especially in the exceed - high power field. the complexion won ’ t be changed for a long period

    自上世紀中後期開始，隨著半導體技術的飛速發展，許多真空電子器件逐步被半導體器件取代，但是，在超高頻、寬頻帶、大功率，尤其是超大功率領域，真空電子器件在技術和經濟方面至今仍擁有巨大的優勢，而且在今後相當長的時期內，這種局面也不會改變。
  6. From the middle - later period of the last century, with the rapid development of the semiconductor technology, large of the vacuum electronic device was replaced by the semiconductor element. however, the vacuum electronic device owns tremendous prepotency in the exceed - high frequency and high power field. this complexion won ’ t be changed for a long period

    自上世紀中後期開始，隨著半導體技術的飛速發展，許多真空電子器件逐步被其取代，但是，在超高頻、寬頻帶、大功率，尤其是超大功率領域，真空電子器件在技術和經濟方面至今仍擁有巨大的優勢，而且在今後相當長的時期內，這種局面也不會改變。
  7. Shortwave channel is time varying transmission channel. it has dispersion in frequency and time domains. this characteristics hinds the data transmi - ssion at high speed and the correction of received data. in this dissertation i have analyzed the statistic characteristic of shortwa - ve channel, established the model of shortwave channel and simulated the rayl eigh fading distribution. the technology of spreading spetrum has been proved that it has the capability for anti - multipath and discerning multipath

    在短波通信中，由於通道的時間色散和頻率色散，引起多徑展寬和多徑衰落，前者限制了數據的傳輸速率，後者造成短波數據通信中出現突發錯誤，為了解決多徑效應對短波通信的影響，本文所做工作如下：首先詳細分析了短波通道的統計特性，建立其數學模型；其次分析了擴頻通信的特點，從理論上證明擴頻技術不僅具有抗多徑干擾能力，而且具有分離多徑的能力；介紹了傳統的rake分集合併技術的特點。
  8. The algorithms estimate the doa of the broadband distributed source fron the secondary diagonal elements of the covariance matrices generated from every frequency domain of the received broadband signals, thus avoiding unwrapping of phases

    該類演算法首先將陣列接收的寬帶信號變換到頻率域，然後對于每個頻率形成陣列接收信號協方差陣，最後由該協方差陣的次對角線元素估計寬帶分佈源的到達角，其主要特點是避免了相位展開。
  9. Here the hsc of sompa is achieved through adding super - effective water reducer, fined slag and silicon fume, and decreasing the water / cement ratio. by varying the area ( spacing ) of tension bars, compressive bars, vertical links and distribution steel and embedding steel fiber and polypropylene fiber we try to improve the behaviors of reinforced high performance concrete one - way spanning slabs in bending, so that its ductility be greater than 5. with the same arrangement of steel the width of bending member is varied to observe the effect of the width / depth ratio on the ultimate compressive strain of concrete

    通過變化受拉筋含筋率和受壓筋、箍筋（鉤筋、分佈筋）含量，或摻加纖維使之成為鋼纖維高強混凝土（ sfrhsc ）和聚丙烯纖維高強混凝土（ pfrhsc ） ，對高強混凝土雙筋截面梁、板的受彎性能進行了試驗研究，試圖改善高強混凝土受彎構件的延性，使其延性比大於5 ；並在相同配筋情況下，通過變化截面寬度，研究了高強混凝土受彎構件的寬高比對壓區混凝土極限應變的影響；並對試驗構件的裂縫發展情況進行了觀測。
  10. The effect of overburden separation dynamic development under key stratum on grouting for bed separation space was analyzed, in order to deal with the problem that the current bed separation growing technology can not prevent the key stratum from breakage, put forward the isolated section - grouting technology for overburden bed separation space, integrated the virtue of growing for bed separation space and partial extraction, the bed separation grouting bodies, key stratum and isolated section pillars were made to constitute the load - carrying body all together, and to reach the purpose of reducing subsidence effectively, increase the coal seam extraction ratio, and accelerate the development of isolated section - growing technology for overburden bed separation space

    摘要分析了關鍵層下離層動態發育對離層充填的影響，針對目前離層區充填工藝不能阻止覆巖關鍵層初次破斷的問題，提出了「覆巖離層分區隔離注漿充填」技術，它綜合離層充填與條帶開采技術的優點，通過離層區充填置換或減小分區隔離煤柱寬度，使「離層區充填體關鍵層分區隔離煤柱」形成共同承載體，從而達到有效減緩地面沉降的目的，提高了煤層采出率，促進了覆巖離層充填減沉技術的發展。
  11. But airborne radar will face highly complicatied clutter environment. the complexities of clutter back ground mainly embody in large amplitude interference of ground clutter, clutter spectrum spread caused by platform movement effect

    但由於機載雷達的應用面臨非常復雜的雜波環境，雜波功率很強，載機的平臺運動效應使雜波譜展寬。
  12. Our results show that pmd induces pulse broadening randomly in high bit - rate optical fiber communications ; the synchronous amplitude modulation control may correct directly any position change of timing jitter and soliton interaction, so the transmission distance and pulse quality will increase further

    研究結果表明對于高速率傳輸系統， pmd對脈沖的影響在時域上表現為脈沖形狀的展寬，這種展寬是隨機的；而同步幅度調制是在時域上，將發生形變的脈沖通過振幅調制，恢復原形，從而提高脈沖的傳輸性能。
  13. We have calculated and plotted the curves of the refractive index, group velocity index, lowest - order and second - order dispersion indexes as a function of wavelength. the lowest - order and higher - order dispersion - induced broadening and deforming of light pulses is analyzed for various pulse shapes, such as gaussian, super - gaussian and hyperbolic secant pulses

    給出了折射率、群速指數、低階和二階色散系數隨波長變化的關系曲線，研究了高斯脈沖、超高斯脈沖和雙曲正割脈沖等超短脈沖在clbo晶體中傳播時，由於低階色散和高階色散引起的脈沖展寬和形變。
  14. According to the working principle of thermo - electrode, we demonstrate the structure of enlarged reflection area and the structure of step broaden waveguide to improve the switch ' s performance and bring down the driving power. according to the fabricating condition of our lab, we proposed simple wet - etching method to fabricate the oversized waveguides and peeling - off method to fabricate the electrode

    針對全內反射和熱電極的作用特點，在全內反射型熱光開關的設計中提出了擴大反射區結構和漸變展寬結構，理論模擬和實驗結果表明該方法能有效地提高了開關性能，降低了驅動功率。
  15. Based on it, a new kind of helix slow - wave structure named elliptical helix slow - wave structure used in helix traveling wave tubes has been detailedly investigated. by studying the rf characteristics of this slow - wave structure, it ’ s found that higher operation frequency and interaction impedance will be obtained by increasing the eccentricity of helix or decreasing it of the shield. meanwhile, great potential of improving system bandwidth has also been found if the eccentricity of helix or shield or the two are properly choosed

    本文對近幾十年大功率行波管的研究進展進行了簡單討論，並在此基礎上研究了一種可應用於螺旋線行波管的新型的螺旋線慢波結構，即橢圓螺旋線慢波結構，通過對該螺旋線高頻特性進行詳細分析，我們初步認為，選擇適當的螺旋線和屏蔽筒離心率，可以提高系統工作頻率，增加系統耦合阻抗，並且具有改善系統帶寬的潛力。
  16. When tested with two saw filters whose center frequencies are 155mhz and 163mhz respectively, the ic completed the summing function of input signals, while the 5db bandwidth expands by about 10mhz. and the variation of the matched impedance caused by the ic is small enough to be ignored

    在對中心頻率分別為155mhz和163mhz的聲表面波濾波器進行加權控制的測試中，該電路實現了信號的疊加功能，輸出信號的5db帶寬展寬約10mhz ，且電路引起阻抗匹配的變化小。
  17. Data transmission in mobile channel with high speed and reliability is required in future mobile communication system. the 4th mobile communication system is expected to provide high - quality broadband services using the minimum possible resources ( power, bandwidth, complexity ). toward this end, an appropriate transmission technique that matches the mobile channel characteristics is required

    在移動通道環境中可靠、高速的傳輸數據是移動通信技術發展的目標和要求，並且第四代移動通信系統要求能夠以最低的代價（帶寬、功率、復雜性）來為各種用戶提供高質量的寬帶業務，這就需要有適于移動通道的傳輸技術來支持。
  18. However, as the development of data and multimedia services represented by the internet services continues and the situation of telecommunications operation changes, the environment of traffic transfer has change a lot. in providing packetized and new services, the traditional sdh transfer network has disadvantages such as complex service assignment, low bandwidth efficiency, high cost and poor network expandability

    但是可以看到隨著以internet為代表的數據業務和多媒體業務的不斷發展，電信運營格局的變化，業務的傳送環境發生了很大變化，傳統的sdh傳送網對于基於分組化的業務和新的業務提供方式，存在著諸如業務指配處理復雜，帶寬效率低，成本高，網路擴展性差等缺點。
  19. Bandwidth expansion ratio

    帶寬擴展率
  20. Its main characteristics include the following parts : ( 1 ) the trait of matching of network, as it manages the information of peers by grouping according to their location in the internet ; ( 2 ) easy to implement, as it distributes the video data according to the need of peers, and does not have to maintain a complex global structure ; ( 3 ) robust and resilient, as it can adapt the complex and dynamic environment of network very well ; ( 4 ) good expansibility, as it has better performance with the increase of users ; ( 5 ) high utilizing of bandwidth, as it can control the peers according to the change of bandwidth of them and make good use of their bandwidth ; ( 6 ) low delay of peer to peer, as it considers the delay among peers sufficiently besides the bandwidth, and makes the delay of peer to peer is low

    該視頻流媒體網路模型在網路帶寬效率、延遲和可靠性之間做出了很好的平衡，它的主要特點有: （ 1 ）網路匹配特性，使用終端用戶的網路位置信息來對節點進行分組管理，對節點間的鄰近度進行優化; （ 2 ）易於實現，根據數據的流向來分發視頻流媒體數據，不需要維護復雜的數據結構; （ 3 ）適應性強，能很好的適應復雜變化的網路環境; （ 4 ）擴展性好，加入視頻流媒體網路中的用戶越多，性能越好; （ 5 ）帶寬利用率高，及時對每個節點的帶寬變化情況進行控制，充分利用空閑帶寬; （ 6 ）端對端延遲小，通過在帶寬和延遲之間達到平衡使得端對端延遲減小。
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