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ula 英'ju:lə美'ju:lə COCA⁹¹⁰¹⁵BNC¹⁰⁴⁵⁸⁴⁺⁶ 基本例句 =gums齿龈 A novel Direction Of Arrival DOA estimation method is proposed with Uniform Linear Array ULA when mixed sources are presented. 提出了一种基于均匀线阵的混合源波达方向 DOA估计的新方法。 ceaj.org A quick and accurate algorithm of generation of the scanned body of the cutting tool in three- head NC milling em ula tion system for rose cutter is given. 针对球头铣刀给出了用于三轴数控铣削仿真系统的一种快速、精确的刀具扫描体生成算法; chemyq After the acquisition of AACTIVE, ULA service capability was enhanced, and the function was improved too. 在完成收购 AACTIVE后, ULA在美国的服务能力大幅提高,功能进一步完善。 blog.sina.com.cn As the raising of China Sourcing Center's prestige, more purchasers accept ULA's Service. 随着美中采购中心在美国当地知名度的提高,更多采购商接受 ULA的服务模式。 blog.sina.com.cn Computer simulation results show that for small spacing the UCA yields higher channel capacity than ULA. 仿真结果表明,天线间距较小时,采用均匀圆阵比均匀线阵的系统信道容量要高; cnki Fifth, we derive the mathematical equation of the instantaneous DOA, when the target moving in line and in the same plane as ULA. 第五,根据目标运动轨迹,通过数学推导得出目标在线阵平面内做直线运动时的瞬时波达方向表达式。 cnki For many methods that have been raised, the array errors in the uniform linear array ULA are difficult to estimate and the number of the signals is restricted hard. 针对一般方法对均匀细阵误差测不准、对信源数限制较严等问题,提出了一种利用遗传算法来估测阵列幅相误差的方法。 cnki For most methods that have been raised, the array errors in the uniform linear array ULA are most difficult to estimate and the number of the signals is restricted hard. 针对均匀线阵误差测不准、一般方法对信源数限制较严等问题,本论文对幅相误差估计方法作了一些研究。 cnki In this paper, DOA is estimated with non- uniform linear antenna array NULA instead of ULA, so as to achieve a much larger aperture with the same amount of antenna elements. 本文采用阵元间距不等的非均匀线阵代替均匀线阵进行测向,从而在相同阵元数的前提下得到更大的孔径。 cnki In this paper, the DOA of sources are estimated using MUSIC algorithm by a vector- hydrophone ULA Uniform Linear Array to improve the DOA estimation resolution. 本文采用矢量水听器均匀线阵研究了利用 MUSIC算法对声源进行方位估计,以提高对源方位的估计精度。 cnki Objective To observance the clinical feature and function change of patient with ran ula in various age. 目的探讨不同年龄段舌下腺囊肿的临床特点与对功能影响的变化。 cnki United Launch Alliance ULA, a joint venture between Boeing and Lockheed, has publicly promised to be ready in four years. 波音与洛克希德合资的企业“联合发射联盟公司 ULA”,已公开承诺将在四年内准备好。 ecocn ULA's multinational sourcing system was being formed as the domestic purchaser team was gradually mature. 国内采购团队逐渐成熟, ULA的跨国采购体系正在形成。 blog.sina.com.cn |