ID 原文 译文
20935 最后进行仿真对比实验,实验结果证明了算法的有效性。 Finally, comparison experiments are conducted to verify the effectiveness of the proposed method.
20936 针对电子测量中如何对基频较高而频率变化值较小的动态信号进行高精度频率测量的问题,引入了差频测量的方法。 The numerical validation points out that the proposed method outperforms the existing methods in the design of sparse rectangular arrays. For the problem of high precision frequency measurement of dynamic signals with high fundamental frequency and small frequency change value in electronic measurement, a method of differential frequency measurement is introduced.
20937 该文提出一种新型的动态可调的多级差频电路结构,设计了基于FPGA的快速差频测量系统,通过在FPGA上设计快速傅里叶变换(FFT)算法来实现系统的数据处理功能。 A novel dynamic adjustable multi-stage frequency-difference circuit structure isproposed. The fast differential frequency measurement system based on FPGA is used to design the FastFourier Transform (FFT) algorithm on the FPGA to realize the data processing function of the system.
20938 仿真结果表明,在满足差频条件的基础上,合理设计多级差频电路的结构能够实现高精度频率测量,在进行信号频谱分析时能得到较为准确的结果。 The simulation and experimental results show that the structure of the multi-stage differential frequency circuit can be designed with high precision frequency, and the result can be obtained when the spectrum analysis is carried out.
20939 实验验证了该测量系统能够实现快速FFT运算,相比于MATLAB软件平台,在数据处理效率上有明显的优势; The system can realize the fast FFT operation. Compared with the MATLAB software platform, the system has obvious advantages in the efficiency of data processing.
20940 同时在性能指标满足数据采集要求的前提下,系统可动态调整FFT模型的结构来适应不同规模点数FFT运算的需求。 The structure of the FFT model can be dynamically adjusted to meet the requirements of FFT operation of different scale points, and the system performance index can meet the requirements of data acquisition system.
20941 针对预警雷达情报质量评估中,模糊因素影响评估有效性的问题,该文提出一种基于非对称贴近度的预警雷达情报质量分析评估方法。 Considering the limits of fuzzy comprehensive evaluation on quality of early warning radar intelligence in actual training, a method of quality evaluation on radar intelligence based on the theory of asymmetric proximity and multilevel fuzzy comprehensive evaluation is proposed.
20942 分析预警雷达情报获取、传输和作战运用环境特点,从及时性、准确性、完整性、连续性和客观性等6个方面构建其质量评估指标体系,进而建立因素集、评语集和权重集,利用非对称贴近度对其进行模糊综合评估。 Through the analysis of the producing, transmission, using environmental factors of early warning radar intelligence, the evaluating metric of quality evaluation on radar intelligence integrated for six classes, that are timely, accuracy, completeness, continuity, objectiveness and so on, and then factor set, weight set, and comment set are established, and thequality of the radar intelligence based on the asymmetric proximity with the fuzzy comprehensive evaluation is carried out.
20943 该研究方法和结论可有效分析评判预警雷达情报质量,也能帮助发现影响情报质量优劣的瓶颈与短板,还可为解决复杂作战环境下预警雷达情报质量评估与分析等问题研究提供一定借鉴。 This researching methods and results not only can take comprehensive evaluations of a certainquality of radar intelligence, help for finding out the factors to determine the quality of the radar intelligence,but also can fight for providing certain reference to solve complex environment of radar intelligence ofoperational effectiveness evaluation problem.
20944 针对雷达与电子支援设施(ESM)存在系统误差、上报目标不完全一致等复杂场景下目标航迹关联问题,该文基于高斯随机矢量统计特性,提出一种基于航迹矢量检测的雷达与ESM航迹抗差关联算法。 To address track-to-track association problem of radar and Electronic Support Measurements (ESM)in the presence of sensor biases and different targets reported by different sensors, an anti-bias track-to-track association algorithm based on track vectors detection is proposed according to the statistical characteristics of Gaussian random vectors.