And then, metal structure with aspect ratio 30 was obtained in our laboratory. eventually, a few micro parts with high aspect ratio were fabricated by liga process under the optimum condition. there were key parts of micro thruster, netlike nickel antielectron modulator, micro copper radiator, stainless steel micro components and many filter mediums with different shapes and dimensions
最後,我們利用liga技術加工的獨特優點,以發展其高深
寬比技術的
實際應用,先後製作了狹縫陣列鎳結構微推進器關鍵部件、薄壁網狀多孔鎳結構正電子慢化體、微型銅結構換熱氣和多種材料不同、尺寸各異的過濾介質,還結合利用liga技術和微細電火花技術的加工優點,製作出了不銹鋼微結構
Real beds with internals and with aspect ratios not much larger than unity should satisfy these requirements rather well.
具有內部構件的真
實床層,其高
寬比1不太大於1時,應該可以相當好地滿足這些要求。
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。
Symbol timing with modified autocorrelation scheme for uwb systems
多徑超
寬帶系統修正自相關符號同步方案的
實現
The wide band network has applied the ip adn atm telecommunication technique, the most advanced in nowadays world. the on - line junction wide band from xinyu to nanchang reaches 22. 5g, which gets to customers via 8, 000 - core km optics cables and wide band switch - in networks. this has speeded uop the information process of this city, providing conditions for the information highway adn entering into " e " age
5g ,通過遍布市內的8000芯公里光纖網、
寬帶接入網及用戶網,能
實現千兆到小區、百兆到大樓,十兆到用戶的高速網際網路接入,為真正
實現通"信息高速公路" ,加快新余信息化進程,積極融入" e "時代創造了條件
The doctor straightens and turns: bushy hair, a heavy square face, a hard big jaw.
大夫挺直身子,轉過身來:濃密的沙色頭發,
寬闊的方臉,結
實有力的大顎。
Tourists like to climb up the hill bare - footed. at the hill - top they may have a birds eye view of the sand dunes which encircle a crystal - clear spring shaped like a crescent moon and then slide down from the hill, accompanied by a roaring sound of the moving sand. at the hill foot they may enjoy a slow riding on camelback
全部到山頂后,俯瞰四周,可見沙山環抱中有一清泉,
寬約45丈,長約1516丈,其水機形狀恰似一變新月,這就是月牙泉,再從山頂溜下,身後響起一陣沙鳴之聲,切
實體會到鳴沙山何以得名,旅遊者在鳴沙山下還可以騎駱駝沿山麓緩行,體驗沙漠駝隊的情趣。
This article discussed ar modeling method, capon method, music method and mn method four kinds of high resolution algorithms principle and has separately made the computer simulation in the ideal situation to the above four algorithms. through the comparison, the beam width of high resolution algorithm is much narrower than conventional beamforming method. then unifies the actual utilization, discussed the influence of time delay unbalance, time domain sampling, plane wave supposition and array element with scope and phase not identically to the beamforming and made the computer simulation
本文首先討論了ar模型法、 capon法、 music法和mn法四種高解析度演算法的原理,在理想的情況下分別對上述四種演算法作了計算機模擬,通過比較,高解析度演算法的束
寬比常規波束形成法窄得多;然後結合
實際運用時的情況,重點探討了延時失配、時域抽樣、平面波假設和基陣的幅相不一致對波束形成的影響並做了計算機模擬。
Based on the analysis of the general situation of teachers group in higher vocational colleges at present, the paper presents that the construction of high quality teachers depends on the efficient countermeasures as follows, that is, carry out the attestation and admittance system ; enlarge the charnels of part - time teachers ; develop core teachers ' to teach in multiple disciplines ; establish a system to encourage advancement and reward excellent teachers ; promote the development of core teachers
摘要文章通過對我國高職院校師資隊伍總體現狀的分析,指出構建高素質師資隊伍,必須採取切
實有效的措施:
實行職業教育教師資格認證與準入制度;拓
寬兼職教師來源渠道;加強「雙師型」教師隊伍建設;建立向關鍵崗位和優秀教師傾斜的激勵機制;加強骨幹師資的人才開發。
This paper refers to several creation in compatibility with large volume of fed display and conversion of different video signal. it firstly used special central chip al300, designed correlative circuits, successfully developed vga full - color fed console system, compatible with resolution 1280 1024, achieved functions such as multi - video signal conversion and interleaving, met vga ’ s resolution of fed. it firstly designed and fabricated vga interface and separated video interface - - s - video, converting several video signals to 24 bits full - colored digital image signal in fed driving system, achieved separation of luminance signal and chromatism signal, enhanced the bandwidth of luminance signal
首次採用平板顯示專用控制晶元al300 ,設計並製作了相關配套電路,支持的最高解析度是1280 1024 ,
實現解隔行和多種視頻格式轉換的功能,滿足了fed顯示屏對vga解析度的要求。首次在基於fpga的vga級彩色fed控制系統中設計並製作了vga介面和分離電視信號s - video介面,可以將多種視頻信號變換為fed驅動系統可用的24位彩色數字圖像信號,
實現亮度信號和色差信號的分離,提高了亮度信號的帶
寬。
According to these questions, we could find the material countermeasures : scientific property rights should base on the stock reforming, control the agent ' s " seeking rent " behaviour, eliminate the controlling of state stock ; bank should firmly circumfuse operational, informatics, normal objects, make out rigid interior institutions ; considerated our financial material situations, the institution of supervision should integrate the interior supervision and exterior supervision and leave on indirect supervision. we should fast establish a leading supervision system without changing the segre gation situation, so as to support a better environment for innovation and also better keep away innovation risk
針對這些原因,提出了如下對策:科學的產權制度應對商業銀行
實施徹底的股份制改造,減少內部人控制現象,克服國有股一股獨大現象;商業銀行應緊緊圍繞「操作性目標、信息性目標、合規性目標」三大目標,建立互相制衡、有力約束的剛性的內控制度;考慮我國金融業的具體情況,新的監管制度以間接監管為主、內外監管相結合,建立由央行為首的「牽頭監管模式」 ,統一金融監管,給銀行業務創新提供一個較為
寬松的環境並且
實現對業務創新的風險的有效防範。
The fact is, st. clare indulges every creature under this roof but his own wife.
老
實說,除了對他自己的妻子之外,聖克萊亞對家裡什麼人都
寬厚。
If he chose to confess, there might be some undeveloped reasons for clemency.
如果他肯認罪,說不定有什麼還沒有發現的理由可以對他
實行
寬大。
On one hand, is the product of beam waist radius and half divergence angle, wavelength is not involved. so there is possibility to compare the acutal focusing ability among laser beams with different wavelength. on the other hand, is a calculated result by measuring experiment, and it is more brief and persuadable than m 2factor, since the latter one is a ratio with basic mode gauss beam
論文研究論證了用值評價激光光束質量的
實際意義在於兩個方面,一方面它僅僅包含了光束束
寬和發散角,不涉及波長的因素,使不同波長激光束的可加工能力具有可比性;另一方面,值是根據對光束傳輸路徑上不同位置處束
寬實際測量結果的計算值,比其在與基模高斯光束進行比值計算得到的m2因子更簡潔、更有說服力。
The high - finesse cavity can be used to measure the laser linewidth due to its narrower cavity linewidth, with which the linewidth of dbr laser is measured as 1. 49mhz
由於高精細度腔窄線
寬特點,它可用來測量激光線
寬。
實驗中用它測量dbr激光器線
寬為1 . 49mhz 。
Pulse duration control by laser induced plasma switch
激光誘導等離子體開關控制脈
寬實驗研究
Ip multicast is a traditional solution by which the group communication can be implemented. compared with unicast, it can avoid duplicate transmission in many links, and can save the network bandwidth
Ip組播是傳統的組通訊
實現方案,它能夠避免在鏈路上傳輸重復報文,節省網路帶
寬,
實現高效的組通訊傳輸。
Extending thought on innovation of practical education with undergraduate virtual fictitious company
本科生虛擬公司拓寬實踐教學改革思路