ID |
原文 |
译文 |
9364 |
研究结果表明,捷联导引头隔离度的存在会削弱制导系统稳定性、降低制导精度,特别在寄生回路正反馈时影响更为严重; |
The research results show that the existence of strapdown seeker isolation will weaken guidance system stability, reduce the guidance accuracy, especially in the parasitic effect is more serious when the positive feedback loop; |
9365 |
所提出的基于MM的隔离度在线补偿方法可较好地实时估计出作用于系统的刻度尺误差,并有效实现了对刻度尺误差引起的隔离度的在线抑制,具有较好的鲁棒性和自适应性,达到了改善制导性能,提高制导精度的目的。 |
The proposed isolation degree online compensation method based on MM can better real-time estimate the effect on the system, the scale of error and effective implementation of scale error caused by isolation degree online, has good robustness and adaptability, to improve the guidance performance is reached, the purpose of improving guidance accuracy. |
9366 |
互素谱分析是辨别稀疏样本谱成份的有效途径,然而当前的互素谱分析设计方法存在容易导致频谱泄漏和效率低的缺陷。 |
Relatively prime spectrum analysis is an effective way to identify spectrum sparse sample composition, however the current relatively prime spectrum analysis design method is easy to cause the spectrum leakage and the defects of low efficiency. |
9367 |
本文提出基于全相位滤波的高效设计法,首先,分析指出抑制互素谱泄漏的关键在于拓宽原型滤波器的高阻带衰减的频带范围和提升边界频率控制的精度; |
In this paper, based on all phase filter and efficient design method, first of all, the analysis shows that the inhibition of relatively prime spectrum leakage is the key to broaden the prototype filter of high stopband attenuation band boundaries and enhance the precision of the frequency control; |
9368 |
其次,将基于两种对称频率采样的全相位滤波理论引入到原型滤波器设计中,并推导出滤波器系数解析表达式和与边界频率有关的参数配置公式; |
Secondly, based on two symmetric frequency sampling theory of all phase filter is introduced in the design of the prototype filter, filter coefficients and deduces the analytical expression and the parameters related to the boundary frequency allocation formula; |
9369 |
最后,将边界频率参数代入到解析表达式中即可实现高性能互素谱分析的高效设计。 |
Finally, the boundary frequency parameters into the analytical expressions of effective design of high performance relatively prime spectrum can be realized. |
9370 |
仿真实验表明,相比于现有的基于等波纹最佳逼近的互素谱设计方法,本文提出的基于全相位滤波的互素谱设计法可更彻底地抑制频谱泄漏,从而提高稀疏样本谱成分的识别准确性。 |
Simulation results show that, compared with the existing based on moire spectrum relatively prime design method of optimal approximation, this paper puts forward the relatively prime spectrum based on all phase filter design method can be more thoroughly inhibition spectrum leakage, so as to improve the recognition accuracy of sparse sample spectrum components. |
9371 |
围绕机会阵雷达(opportunistic array radar,OAR)阵列动态机会组阵的资源管理问题,以面向多任务为应用需求背景,针对机会布置在平台3D空间多个区域内的天线单元,提出了一种基于现代数学不确定性理论中的相关机会约束规划方法用于机会阵方向图综合。 |
Around the opportunity array radar (opportunistic array radar, OAR) in resource management problems, dynamic opportunity set of array for multitasking application requirements for background, for the opportunity to decorate on the platform of various regions in 3 d space antenna unit, put forward a kind of based on the theory of modern mathematics uncertainty in chance constrained programming method is used to array pattern synthesis. |
9372 |
该方法建立在不确定性理论和模糊数学基础上,考虑OAR大量天线单元空间位置分布的不确定性和各单元激励(开/关)状态的不确定性,用模糊随机变量来刻画不确定环境中的模糊性和随机性,在天线资源受约束的不确定条件下,建立不确定规划模型来实现方向图综合。 |
The method based on uncertainty theory and fuzzy mathematics, considering the OAR large antenna unit uncertainty and space distribution of each unit excitation (on/off) of the state of the uncertainty, using fuzzy random variables to depict the fuzziness and randomness in uncertain environments, the antenna resource constrained uncertain conditions, the uncertain programming model is established to implement the pattern synthesis. |
9373 |
并设计将遗传算法和模糊随机模拟算法相结合的智能混合优化算法以获得模型的最优解。 |
And design combining genetic algorithm and fuzzy random simulation algorithm of the intelligent hybrid optimization algorithm to obtain the optimal solution of the model. |