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- low detectable structures 隐身结构
- Results indicate that after the optimization, the RCS of the low detectable wing structures is radically reduced. 研究结果表明，经过优化设计后，在方位和频域上能显著降低翼面隐身结构RCS。
- A rational way is presented to determine the objective function in the low detectable design using radar cross section (RCS) distribution information of the aircraft. 摘要根据飞行器的雷达散射截面(RCS)分布，合理确定飞行器隐身外形优化设计中的目标函数。
- The lowest detectable content was 10-5%(W/W) for above each element. 采用挥发分离基体，探讨了高铼酸铵基体的干扰及其消除办法。
- The low detectable design problem of a generic unmanned combat air vehicle (UCAV) is used for investigating the effect of different objective functions on optimal results in low detectable design. 然后，以一个典型飞行器隐身外形优化问题为例，分析不同目标函数对隐身外形优化结果的影响。
- In this paper, a wing structure with low detectability is illustrated. 本文首先阐述了一种典型的翼面隐身结构方案。
- In fact, the SSC approach can be used to detect structural changes and quantify modal relations. 事实上，本法可以用来检测结构体的变化。
- It covers geometrically 86% of the 4t solid angle and has very low detection thresholds. 整个探测器系统轴向对称排列，工作在真空中。
- There are several problems that low detection veracity rate, slow detection speed and bad self adaptability in traditional IDS. 传统的入侵检测系统存在着检测准确率低、检测速度慢和自适应性差等问题。
- It is shown that the lowest detectable limit of CD_4 by gas chromatography-quadrupole mass spectrometer method is 40 times of pulse injection QMS method. 研究表明:气相色谱-四极质谱(GC-QMS)法对CD4的探测下限约是脉冲进样QMS法的40倍。
- Ion mobility spectrometry (IMS) is a gas phase electrophoretic technique with the advantages of speed, low detection limits and low cost. 摘要离子迁移谱技术是一种气相环境下的电泳检测技术，具有快速、灵敏、运行成本低等特点。
- The use of HEP-2 cell lysate as antigen in CIE yielded a low detection rate for SS-B antibody(2/20). 以 HEP-2细胞为抗原作 CIE;SS-B 抗体的检出很低(2/20).
- The optimization design based on the surrogate models is a valid strategy for reducing the RCS of wing structure with low detectability. 基于代理模型的优化策略是一种有效的隐身结构低RCS优化策略。
- Fluorophotometry was preferred for beer with low-content of oxalic acid such as calcium-added beer because of its low detection limit. 荧光光度法由于检测限较低，非常适合于低草酸含量啤酒（如加钙啤酒）的测定。
- Temperature changing sensor which can detect structure’s temperature has been studied. 4．According to CFCC and CFFCC’s Piezoresistivity we studied self-detecting on structure’s deformation. 研制了在役试样的温差传感器，可进行结构的温差自检测。4、利用碳纤维机敏混凝土的压敏性，对混凝土结构的变形自检测做了有益的探索。
- A lot of facts have show that the preconcentration has been used for trace analysis with satisfactory result and low detection limit. 大量文献表明预富集技术用于痕量分析取得满意的效果，降低了检测限，提高了灵敏度。
- The government is trying to keep a low profile on this issue. 政府力图在这个问题上保持低姿态。
- The singer forced his low notes. 那位歌手勉强唱出低音。
- It is problems that the integral initial values are unknown and how to eliminate the error with the numerical integral in reversion for detecting structure damage. 积分初值的未知、消除数值积分引入的误差是结构损伤反演计算中信号处理的难题。
- He because of bashful but low head. 他因羞愧而低下了头。
