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wucha_mian
说明: 阵列存在幅相误差条件下的DOA估计算法仿真(Simulation of DOA estimation algorithm with amplitude and phase errors in array)
- 2020-05-06 02:13:57下载
- 积分:1
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zhaomingdagonglvfaguanerjiguan
根据传热理论, 建立了大功率发光二极管的有限元模型. 选择了4 种键合材料( 高导热导电
银胶、纳米银焊膏, 大功率芯片键合胶、Sn70Pb30) , 4 种基板材料( Al2O3、A lN、A-l SiC、铜钼合金) .
采用ANSYS 有限元热分析软件进行了温度场仿真, 得到了大功率发光二极管封装材料的最优选
择. 研究了基板厚度、芯片输出功率及外接热沉时对发光二极管结温的影响.(Heat transfer theory, the finite element model of the high-power light-emitting diode. Choose four kinds of bonding material (high thermal conductive silver glue, nano-silver paste, high-power chip bonding glue Sn70Pb30) substrate material ( Al2O3, A lN, Al SiC, copper molybdenum alloy). temperature field simulation using ANSYS finite element thermal analysis software, the optimal choice of high-power light-emitting diode packaging materials. substrate thickness, chip output power and external heat Shen light-emitting diode junction temperature.)
- 2012-10-25 13:22:30下载
- 积分:1
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MagneticInduction
计算磁铁在线圈经过时,感生电压和磁铁位置的关系,即电磁感应系数(when a magnet passes by a coil, to calculate the induced voltage)
- 2018-05-28 22:28:36下载
- 积分:1
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Frequency_field_extend
重力频率域位场延拓。将观测面的位场数据(a20_mag.gtd)向上延拓3.3m,之后与已知的理论值(a53_mag.grd)进行比较,计算其均方误差;反之,将观测面的位场数据(a53_mag.grd)向下延拓3.3m,之后与已知的理论值(a20_mag.grd)进行比较,计算其均方误差。(gravity frequency field extend)
- 2011-12-15 22:27:07下载
- 积分:1
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fft
说明: 实现快速离散傅里叶变换,即FFT,很有用的程序(Fast discrete Fourier transform, namely, FFT, very useful program)
- 2008-10-31 13:46:14下载
- 积分:1
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GA
说明: 遗传算法用来求解带容量的车辆路径问题,用c++完成的代码(The genetic algorithm is used to solve the vehicle routing problem with capacity. The code is completed by c++.)
- 2019-06-19 16:30:06下载
- 积分:1
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Volterra
可是实现产生均匀分布的混沌序列,可以用于均匀分布的伪随机发生器(uniform distribution of the chaotic sequence)
- 2012-11-15 14:57:58下载
- 积分:1
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usercreep
编制了theta映射法的ansys蠕变子程序(a creep subroutine of ansys that considered the theta-projection method)
- 2018-06-19 14:19:39下载
- 积分:1
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1
说明: 3跨每跨35米桥梁响应的车桥耦合程序,使用Fortran编写(3 cross each bridge 35 meters across the bridge coupling procedures to respond)
- 2011-05-19 23:22:47下载
- 积分:1
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hybrid_pseudo_L
高超声速飞行器上升轨迹优化计算。采用勒让德伪谱法直接优化方法。(trajectory optimization of hypersonic craft program with legendre method)
- 2013-08-28 18:26:44下载
- 积分:1