ID 原文 译文
26485 仿真结果表明，理论误差与实际非常吻合，提出的优化融合处理方法提高了目标方位估计的精度，降低了估计误差随方位角度变化波动的程度。 Simulation results show that correspond with the actual theory error, put forward the optimization of the fusion processing method to improve the precision of target bearing estimation and reduces the degree of estimation error fluctuates according to azimuth Angle change.
26486 在对沙漠地区地形图进行数字化的过程中，图中的各种沙地类型符号对等高线等地图要素的自动矢量化构成了严重干扰，影响了数字化效率。 In the desert areas in the process of the digital topographic map, in the figure of the map elements such as symbols of contours of different types of sand automatically vectorized constitutes a serious interference, affect the efficiency of digital.
26487 针对扫描地图图像中沙地符号的去除问题，通过分析不同沙地符号的特点，在对地图图像进行二值化和细化处理的基础上，利用形态学去毛刺的方法去除沙地符号。 To scan the map image sand symbol removal problem, through the analysis of the characteristics of different sand symbol, in the map image binarization and refining processing, on the basis of the method of using morphological deburring removing sand symbols.
26488 对于较复杂的沙地符号，采用分级去毛刺的方法进行去除。 For more complex sand symbol, adopt the method of classifying deburring for removal.
26489 实验结果表明，提出的算法能够有效地去除多种沙地类型符号，为地图要素的自动矢量化创造条件。 The experimental results show that the proposed algorithm can effectively remove a variety of sand type symbols, create conditions for automatically vectorized of map elements.
26490 阵列语音增强中，传统的后滤波算法大多采用固定带宽的谱估计。 After array speech enhancement, the traditional filtering algorithm USES mostly fixed bandwidth spectrum estimation.
26491 推导了固定带宽谱估计后滤波算法的一般表达式及其估计器的概率密度函数，首次从理论上分析了在随机信号模型下采用固定带宽谱估计存在的问题，指出后滤波的频率分辨率应由噪声谱的结构特性决定，并提出了一个新的噪声谱结构特性驱动的自谱和互谱估计的后滤波算法，该算法在增加噪声抑制量的同时能避免更多的语音失真。 Fixed bandwidth spectrum estimation is deduced after the general expression of filtering algorithm and estimator of probability density function, analyzed theoretically for the first time under the random signal model with fixed bandwidth spectral estimation problems, pointed out that after filtering frequency resolution should be decided by the structure of the noise spectrum characteristics, and puts forward the structural characteristics of a new noise spectrum driven since spectrum and cross spectrum estimation filter algorithm, the algorithm increases in the amount of noise suppression and can avoid more speech distortion.
26492 测试实验证明，本文算法在段信噪比提高以及噪声抑制等方面都优于传统后滤波算法，尤其是噪声抑制量方面相比传统方法提高了6dB。 Testing experiments show that this algorithm improve the signal-to-noise ratio, and the segment after is better than the traditional aspects such as noise suppression filter algorithm, especially the amount of noise suppression in rose by 6 db compared to traditional methods.
26493 在分析相位编码准连续波雷达回波遮挡问题的基础上，提出了一种长短码结合载波频率随码型同步交替切换的波形设计思路和基于回波遮挡率的波形参数计算方法。 Shade on the analysis of the phase encoding quasi-continuous wave radar echo problems, on the basis of a length of code combination carrier frequency alternating with type synchronous switching waveform design train of thought and shade rate based on the echo waveform parameter calculation method.
26494 不仅能够解决近距离回波严重遮挡的问题和实现对远近目标的同时探测，而且有效地增加了信号的工作带宽和提高了发射信号波形的复杂程度，增强了信号的电子反干扰能力(electronic counter-countermeasures，ECCM)，降低了信号的被截获概率。 Can not only solve the problem of serious shade close echo and the implementation of distance target detection at the same time, and effectively increase the signal bandwidth and improves the emission signal waveform complexity, enhance the signal electronic anti interference ability (electronic counter - countermeasures, ECCM), reduce the probability of being intercepted signal.