tolerance on size 中文意思是什麼
tolerance on size
解釋
尺寸公差-
The relationship between wave - front aberration and focal spot size was researched roundly, and the essential connection between focal spot energy shape and wave front gradient distribution was discovered, and a smarter parameter to evaluate wave front aberration was founded. based on this, the wave front aberration tolerance confined by focal spot size requirement was obtained through calculation and statistics method. 2
比較全面地分析了系統內部波前誤差與光束焦斑尺寸之間的關系，找到了波前梯度分佈與焦斑能量分佈之間的本質聯系，提出了一個與焦斑尺寸關系最密切的波前誤差參數，並採用數值模擬和統計的方法得到了焦斑尺寸限制條件所要求的波前誤差限制條件； 2 -
In developing the planar lightwave circuits, the coupling loss between a waveguide with a high refractive index difference and a single mode fiber is considered. a novel spot - size converter based on a y - branch structure is proposed and numerical simulation results indicate that it can reduce the coupling loss effectively with low polarization dependent loss and good fabrication tolerance
在平面波導光器件研製中，提出了高折射率差二氧化硅波導與光纖的新型低損耗連接，與現有波導單側變窄的結構相比較，有效的降低了連接損耗，同時具有偏振相關損耗低，工藝容差性好的優點。 -
The matching rate of the suggested two methods were compared for the assembly size chaims with different number of the forming links, with different number of the forming link parts, and with different deviation distribution types on the assumption that the closing link tolerance of the selective assembly is a tenth of that calcalated by the extremum method
以不同組成環數、不同組成環零件數、不同偏差分佈類型的裝配尺寸鏈為研究對象，取選擇裝配的封閉環公差為按極值法計算所得封閉環公差的十分之一，以匹配率為評價指標，比較了兩種方法的優劣。 -
Abstract : the attention has focused on quantifying the capability of nondestructive testing ( ndt ) system for guaranteeing structural safety through damage tolerance analysis. a method of reliability assessment for engine blades ndt is presented, which can determine exactly the probability of flaw detection （ pod ） and assess the probability of flaws missed （ pom ） in the engine blades, as well as control the largest size of the flaws missed at inspections with high probability of flaw detection and confidence level. this method also raises the flaw detection probability and prevents the flight accidents caused by the missed flaws in engine blades
文摘:提出了一種發動機葉片無損檢測可靠性分析方法，利用該方法可以有效地提高葉片中裂紋（缺陷）的檢出概率（ pod ） ，並能對裂紋的漏檢概率（ pom ）進行準確地評估和控制，使因葉片裂紋漏檢而引起發動機故障的可能性降至最低程度，從而確保發動機的安全運行；該方法簡單方便，易於工程實施和應用。 -
Pneumatic and automatic separator of injector valve and orifice is based on pneumatic measurement and 8051 mcu, which is used for data processing and control. it can automatically separate injector valve and orifice, whose nominal size is 6 and tolerance is + 10u, with the interval of 1u, accuracy of 0. 5u and speed of twenty pieces per minute around. the automatic separation system of injector valve and orifice has low cost, high separation accuracy, high separation speed and easy operation
使用氣動噴油嘴偶件針閥、針閥體自動分選系統能實現對公稱尺寸為6 、公差為10的噴油嘴偶件針閥、針閥體按1分選間隔、 0 . 5分選精度的自動分選，分選時的速度可達每分鐘20件左右。 -
Multimode interference ( mmi ) couplers based on the self - imaging effect are rapidly getting popular because of the advantage of low loss, compact size and large fabrication tolerance. the thesis studied the principle of the mmi coupler. the optical field distribution in the multimode wave - guide is modeled by eim and mode propagation analysis method ( mpa )
本文介紹了矩形多模干涉耦合器的基本原理，採用有效折射率方法和導模傳輸分析方法模擬了多模波導中的光場分佈，設計並模擬1 2 ， 1 4對稱干涉型光功率分配器、 2 2配對干涉型光功率分配器，得到了比較均衡的功率輸出。
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