波模型 meaning in English
wave pattern
Examples
- An assumption is verified that the multi - path arrival time differences calculated by ray model is almost the same as that by normal mode model if higher frequencies for the source are used ( e . g . , frequencies range between 600hz and 1600hz ) . hi other words , the calculation of the multi - path arrival time differences by ray model is reliable . 2
该方法的研究结果验证了一个重要的假设：当信号频率较高时(例如600hz 1600hz ) ，用声线模型计算多途到达时延差与简正波模型得到的结果基本一致，并且声线模型计算多途到达时延差具有较高的可信度。 - According to the radar - absorbing model , the performance of rams of various absorber - volume - percentage with various frequency and the radar obsorbing performance of which in various thickness is predicted . according to the radar - absorbing model , the prerequisites of microwave electromagnetic parameters and the border curves for a single - layer homogeneous absorbing coating backed by a perfectly conducting plate to produce zero specular reflection are obtained by the steffensen speedup approach to solve the complex transcendental equation
以吸波模型为依据，用计算机求解了单层均匀各向同性吸波材料的阻抗匹配条件，通过数值模拟得到了吸波材料阻抗匹配时电磁参数边界曲线的数值模拟等式和阻抗不匹配时宽带吸波材料电磁参数的合理搭配规则和频散特性。 - Super - resolution spatial spectrum estimation is applied in this dissertation to realize bearing resolution by utilizing the different bearings between targets and first - order sea echoes . the simulation of radar echoes in one resolution cell is presented based on the theoretically analyzing hf sea clutter sea clutter reflection characteristic and sea echo spectrum stretching mechanics
本文从分析高频海杂波反射特性以及平台运动引起海浪展宽机理入手,建立便于理论研究的一阶展宽的海杂波和二阶海杂波模型;在分辨单元上对雷达回波信号进行了仿真。 - Following an iterative reduced - dimensional strategy , the problem of " dimension curse " can be solved effectively . in the last section of this chapter , a cascade wavelet model , which is combined with a static wavelet submodel and a dynamic linear submodel , is presented to identify the dynamic nonlinear systems
最后，提出一种串联小波模型，将现有的静态小波模型与动态线性子模型串联，可以很好地辨识非线性动态系统，而且避免了动态神经网络中非线性与记忆混合的复杂性。 - The paper includes four sections followed here : the first section studies the modeling of signals of pulse doppler radar seeker , and establishes a radar signal simulation model , including radar emitting signal model , receiving signal model , receiving echo signal model , clutter model , noise model , sum channel directional pattern of antenna model , difference channel directional pattern of antenna model , sheltering model , rcs model , glint noise model , etc . the second section studies signal processing of pulse doppler radar seeker , and establishes radar signal processing mathematical model and data processing mathematical model for simulation , including windowing , doppler filtering , envelope demodulation , pdi , cfar , centering , velocity tracking , angle tracking , a - b filtering , etc . the third section studies the modeling of modified proportion guiding , and establishes guiding model , then dynamic simulation results is provided
论文的主要工作包括四部分：第一部分研究了脉冲多普勒雷达导引头的信号建模问题，建立了雷达信号模型，主要包括：发射信号模型、接收信号模型、目标回波信号模型、杂波模型、噪声模型、和差通道天线方向图模型、遮挡因子模型、接收机噪声模型、目标雷达截面积统计性模型、目标角闪烁模型等。第二部分研究了脉冲多普勒雷达导引头的信号处理模式，建立了信号和数据处理模型，主要包括：加窗和多普勒滤波、包络检波、检波后积累、频域cfar处理、速度定心、速度跟踪、角跟踪、 ?滤波等，然后给出了信号处理流程。