prototype tests 中文意思是什麼
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A cascade asi experimental prototype with instantaneous control strategy is accomplished. all the guide lines attain the expected request in the all - sided tests
製作了一臺瞬時值控制的級聯型航空靜止變流器，進行了系統的電氣性能測試，各項指標都達到預期性能。 -
Taking the reinforced soil retaining wall ( rsrw ) of heyuan - longchuan highway as the prototype, the structural characteristics of stepped rsrw were investigated by model tests
摘要以河龍高速公路加筋土擋墻為原型，對臺階式加筋土擋墻的結構特性進行了模型試驗研究。 -
Unsteady separated flow, produced during the gate - opening period in the reverse radial gate tunnel of a high - lift shiplock, is characterized by negative pressure and high velocity as well as their intense fluctuations in space and time and could easily result in various harmful phenomena such as cavitation, gate vibration and sonic boom, which have been observed and confirmed by prototype and physical model tests
高水頭船閘輸水反弧閥門開啟過程中，后廊道內發生急變分離流，負壓、高速水流以及壓力與流速的劇烈時空脈動變化容易誘發空化空蝕、門振和聲震等有害現象已被原型觀測和物理模型試驗研究證實。 -
A new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source
本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述，展現了新的先進設計體系在民用通風機上的成功運用，其研製特點是： （ 1 ）在葉片氣動設計中為了降低葉根及葉尖區二次流損失，採用可控渦扭向規律設計，樣機實測的高性能驗證了這種方法的可行性和高效性； （ 2 ）在設計方法中採用較精確的數值反驗算，獲取最優設計方案，大大提高設計的準確性和成功率，並縮短了設計試制周期； （ 3 ）在設計過程中發展了計算機輔助三維葉片造型新方法，可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型，這些造型對減小各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。 -
Abstract : a new aerodynamic design system developed by authors for draft fan with enhanced efficiency, suppressed noise, enlarged flux and high load. the new design system features : a twist regulation for vortex control is employed in designing to lessen the secondary flow loss in the blade tip and hub ; the feasibility and high efficiency of this procedure has been verified by the tests of the prototype fan ; a new computer - aided 3d blading is used to optimize the blade ; numerical inverse checking is adopted to enhance accuracy in designing and cut down the period of the designing and production. this design system can make the optimized blade with " forward inclination ", " inclining sweep ", " bending sweep ", to minimize the various secondary flow losses, to expand the steady working range of the fan, and to suppress the aerodynamic noise source
文摘:本文通過對一種新型高性能礦用局部通風機的設計、製造及試驗全過程的綜述，展現了新的先進設計體系在民用通風機上的成功運用，其研製特點是： （ 1 ）在葉片氣動設計中為了降低葉根及葉尖區二次流損失，採用可控渦扭向規律設計，樣機實測的高性能驗證了這種方法的可行性和高效性； （ 2 ）在設計方法中採用較精確的數值反驗算，獲取最優設計方案，大大提高設計的準確性和成功率，並縮短了設計試制周期； （ 3 ）在設計過程中發展了計算機輔助三維葉片造型新方法，可以根據設計需要簡便快捷地對葉片進行「前傾」 、 「傾掠」或「彎掠」造型，這些造型對減小各種二次流損失、擴大穩定工況范圍和控制葉輪機氣動噪聲源起到了非常好的作用。 -
The results of the model tests both in scour and deposit are basically similar with the prototype, and the movable bed tests of some good excavating schemes have been finished
模型經放水驗證，沖淤情況與原型基本相似，並完成了幾個較好開挖方案的動床試驗。 -
Centrifuge model test possesses the unique advantage that it can externalize time effect while other model tests can " t. on basis of the principle of centrifuge model test, consolidation time is 1 / n2 times of prototype " s, seepage time 1 / n3 times of prototype " s
根據離心模型試驗的基本原理，可以推導出在離心模型上的固結時間是原型的1 / n ~ 2 ，離心模型上的滲流時間是原型的1 / n ~ 3 。 -
Finally, two novel control schemes, exciting voltage control and full conducted current chopping control, are discussed in detailed and proved by tests of srg prototype system
在理論分析的基礎上，完成了基於dsp控制和全硬體控制的開關磁阻發電系統控制電路，並且進行了原理樣機實驗。 -
It will be the last prototype build specifically for long term structural fatigue tests
它是用來做靜力試驗的原型機，就像02號一樣。 -
Though the pseudo - static test of three prototype - modal sandwich wall with angled - steel column, seismic behavior are discussed. based on the concrete nonlinear analyzing theory, this paper constructed the finite element modal by ansys program and proved the modal by test result. designed & further improved methods are presented on the conclusion of tests and calculations
本文通過對三個角鋼邊框復合剪力墻板的原型擬靜力試驗，研究了角鋼邊框復合剪力墻的抗震性能，同時在現有混凝土非線型分析理論的基礎上，採用ansys有限元分析程序建立了墻板的有限元模型，結合試驗數據對模型進行了驗證。 -
On the bases of fea results and one - order constant coefficient nonlinear differential equations, a steady analysis method for the motor system ’ s running steadily is proposed. and a primary research work has been done on some steady characteristics of the system, such as phase current, field flux, inductance, voltage, output torque. all these are verified by some tests applied on prototype
在有限元計算結果及系統模態方程的基礎上，構建了系統穩態運行模擬模型，對系統穩態運行過程中的電流、磁鏈、電感、電勢、輸出轉矩等穩態特性進行了初步的研究，並通過相關試驗進行驗證。 -
It also presents a hybrid approach on the basis of the synergetic network and texture spectrum, which utilizes the advantages of both the top - down synergetics and the traditional down - to - top classifying methods to construct the multi - classifier. the first level classifier is based on snn, in which a novel prototype selection algorithm on the basis of texture features instead of pixels is presented and the second level the texture segmentation algorithm based on the global texture spectrum. finally, it tests the multi - classifier with a great
在筆跡鑒別多分類器模型的構造中，本文將協同神經網路與紋理譜概念相結合，由自上而下的協同方法和自下而上傳統分類識別方法相結合構造多分類器，第一層分類器基於協同神經網路，其中，在原型模式的選擇演算法上，本論文提出了用紋理特徵替代象素的協同模式識別演算法；第二層分類器基於全局紋理譜的紋理分割演算法。
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