ID 原文 译文
7194 采用最小图像熵准则选取视线角线性变化区间的ISAR图像作为参考基准,利用图像动态范围压缩、基于全图像匹配的相似度估计等方法,强化算法稳定性并减小计算量。 Using minimum image entropy criterion to select the line of sight Angle linear change interval ISAR image as a reference benchmark, using image dynamic range compression, based on the image matching similarity estimation methods, strengthen the stability of the algorithm and reduce the amount of calculation.
7195 该方法对HRRP数据率要求低,对ISAR成像质量约束小,有利于工程实现。 Requirements for HRRP data rate is low, the method of ISAR imaging quality constraints is small, is helpful for engineering implementation.
7196 仿真实例从摆动和进动两种情况,分析了基准图像的选取和信噪比对算法性能的影响,证明了算法的有效性和高稳定性。 Simulation examples from swinging and precession two situations, analyzes the selection of reference image and signal-to-noise ratio on the algorithm performance, prove the validity of the algorithm and high stability.
7197 在日益复杂的电磁环境中,时常会遇到信号混叠的情况,如何把混叠信号成功高效地分离开来成为近年来研究的热点。 In increasingly complex electromagnetic environment, often in case of signal aliasing will be how to put the aliasing signal successfully separated efficiently is becoming a hot spot of research in recent years.
7198 就逐留存路径处理(per-survivor processing,PSP)算法分离两路同频相移键控混叠信号复杂度较高的问题进行了研究,在前人研究的基础上提出多进制相移键控(m-ary phase shift keying,MPSK)混合信号逐步消除前向干扰的单通道盲分离PSP算法。 Is retained by path processing (per survivor processing, PSP) algorithm to separate the two way with high frequency mixing phase shift keying signal complexity problems are studied, on the basis of predecessors' research put forward the multi-band phase shift keying (m - ary phase shift keying, MPSK) mixed signal phasing out prior to interfere with the single channel blind source separation of PSP algorithm.
7199 仿真结果表明,在大约0.5dB的性能损失下,若以每分离一个混合信号所需遍历的状态数M2(L-1)(其中,M是信号的调制阶数,L是两路混合信号的码间串扰长度)作为衡量PSP算法复杂度标准,所提算法分离两路二进制相移键控混合信号的复杂度较原有的算法降低了4倍,分离两路正交相移键控混合信号的复杂度较原有的算法降低了16倍。 Simulation results show that under the performance loss of about 0.5 dB, if separation in each state of a mixed signal needed to iterate through several M2 (L - 1) (where M is the signal modulation order, L is the intersymbol interference of two way of mixed signal length) as a standard to measure the PSP algorithm complexity, the proposed algorithm to separate two way the complexity of the binary phase shift keying mixed signal has decreased 4 times than the original, and separation of two way photograph shift keying is mixed signal than the original algorithm reduces the complexity of 16 times.
7200 大幅度地降低了混叠信号分离的复杂度,提升了同频相移键控的混叠信号的分离效率。 Greatly reduce the complexity of aliasing signal separation, raised the same frequency aliasing of phase shift keying signal separation efficiency.
7201 舰载机精密进近与着舰的增强引导综合控制技术(maritime augmented guidance with integrated controls for carrier approach and recovery precision enabling technology,MAGIC CARPET)是美国最新的人工着舰控制技术。 Aircraft precision approach and the ship to strengthen comprehensive control technology guide (maritime augmented the guidance with integrated controls for carrier approach and recovery precision enabling technology, MAGIC CARPET) is the latest artificial vessel control technology in the United States.
7202 在综述MAGIC CARPET的基础上,进一步深入分析了MAGIC CARPET的内在机理。 In this paper the MAGIC CARPET, on the basis of further analysis of the MAGIC CARPET of internal mechanism.
7203 一是介绍MAGIC CARPET的发展情况; The development of a is MAGIC CARPET;