本底干擾 的英文怎麼說
中文拼音 [běndegānrǎo]
本底干擾
英文
background interference-
Based on emperiment of " 30mm " armor piercing projectile ' s discarding sabot close to gun, study discarding sabot motion and process, and analysis discarding sabot characterstic, the possibility of disturb on sabot f ^ rm main gun under the disturb field of double gun. 2 )
本論文研究工作的主要內容有： 1 ）從30mm脫殼彈膛口脫殼過程試驗，研究30mm脫殼彈出炮口后卡瓣及底托與彈芯的分離過程和分離運動；同時分析30mm脫殼彈的脫殼特性及在雙炮干擾場下彈托對主炮干擾的可能性問題。Three dimensional interaction flowfield over high - speed spinning projectile with lateral jets is numerically simulated in this dissertation firstly. complicated shocks wave patterns is analyzed. several factors concerned such as high - speed spinning, attack angle, base bleed and so on, are studied
本文首次完成了高速旋轉彈丸側噴三維干擾湍流流場的數值模擬，分析了彈丸側噴流場復雜的波系結構，研究了高速旋轉、攻角、底噴等因素對彈丸側噴流場的影響規律，深入分析了旋轉側噴彈丸的空氣動力學特性。We have developed the products after integrating the advantages and shortcomings of various technology and practical application, which completely solve such identification problems as long - distance, big flow, anti - jamming, lowest power consumption and objectives of fast moving and reduces the cost
綜合了各產品技術的優缺點以及實際運用后推出此產品，徹底解決了遠距離、大流量、抗干擾、超底功耗、高速移動的標識物的識別難題，而且成本較以往大大降低。Just like that the core patch which is not adjacent to water and hilly woods has the flat edge, near round shape, high trees diversity and abundant native trees, which can reduce the external disturb and protect the native trees. in addition, the matrix in the landscape is the patch that is flat, not adjacent to water and scatter woods has low fragmentation degree, smooth edge and near ellipse shape, which is adapted to matrix
如，非鄰水山地密林團聚分佈，邊界平滑，呈圓形，樹種多樣性指數高，當地物種豐富，這種格局能顯著降低外部干擾，保護主要當地物種，與核心斑塊的功能相適應；非鄰水平地疏林斑塊邊界平滑，近橢圓形，這種格局有利於分散干擾危險，與本底斑塊的功能相適應。A uniform state ion chamber with double layers has been developed for distinct measurement in various n + y mixed fields in the fast neutron reactor. the cavity material is 6lif + 7lif. the inner wall material is 6lif and the outer wall material is 7lif
根據let效應因子的測量結果和快中子堆y譜、中子譜等基本資料，以及~ 6lif和~ 7lif對中子響應靈敏度有較大差異這一特點，研製了以~ 6lif + ~ 7lif為空腔、 ~ 6lif為外壁、 ~ 7lif為內壁的具有雙層室壁結構的均勻固體電離室，並將其用於快中子脈沖堆n 、混合場區分測量，徹底剔除了熱中子的干擾。In order to decrease the influence of the interference sources during the test and acquire more reliable and more accurate data, this paper has made a comprehensive investigation on the process of performance measurement based on hardware performance monitoring, including main work as follow : ( 1 ) we have investigated the function and bottom implement of the performance monitoring hardware, and deeply studied on the ia - 64 processors with more advanced mechanism of hardware performance monitoring than others, including program counter sampling 、 period statistics 、 invalidated event address sampling and event restriction
本文以減小測試過程中干擾源的影響程度，獲得更可靠、更準確的性能數據為根本目標，對基於硬體性能監視的性能測試過程進行了深入地研究，主要包括以下研究工作: （ 1 ）以ia - 64處理器為例，研究了性能監視硬體的底層實現和功能，並重點研究了ia - 64處理器上較其他處理器先進的硬體性能監視機制，包括程序計數器采樣、周期統計、失效事件地址采樣和事件限制。Firstly, we introduce the basic theory and methods for realization of sofm. subsequently we improve the arithmetic and implement the feature extraction of raw data using k - l translation, select the eigenvector. combining c - avarage and isodata arithmetic, classify the eigenvector, according to the methods of this dissertation, in lower layer, set nerve cell and unite or delete nerve cells in middle layer, to improve the anti - huise - and robust
論文首先介紹了sofm的基本原理和實現方法，接著在其基礎上對具體演算法進行改進，用k - l變換對原始數據進行特徵提取，選取出特徵變量，結合c -均值和isodata演算法對特徵變量進行預分類，按照本文中介紹的方法在底層預置神經元，在中間層對神經原進行合併和刪除，加強了該網路的抗干擾性和穩定性。So in this paper, the principle of electroptical non - invasive dual - ray methods are fist present in detail. in the theorem of simple structure and low power consumption, we select detecter with fitble wavelenth and low power msp430 processor, and design high stable ray - emitt circuit, low noise pre - amplifier, background disturbance counteract circuit, the signal are low - filtered and sent to msp430 " a / d transform directly to digital signal processing
為此，本文詳細分析了光電無創雙光束法測定脈搏血氧飽和度的基本原理，在結構簡單，功耗小的原則下，選用合適發光波長的探頭和信號處理器，設計出光強穩定的發光電路，低噪聲前級，以及本底干擾對消電路，通過兩級低通直接送至ti公司的超低功耗混合信號處理器msp430進行a / d變換得到原始的數字信號。分享友人