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Variant变量可以在COM/DCOM接口方法中传递(传入、传出)不定长结构数组,但是需要打包和解包,效率比较低。这个例子使用了size_is指定长度的方法,本是从MSDN上看到的,但是MSDN上给出的例子不够具体,所以费了些时间摸索,最后试通,给刚接触COM的朋友分享(老家伙们可以直接无视)。本例子由于是工作需要做得试验程序,因此其中存在少量冗余代码,大家注意一下就行了,还有,减少传递的参数个数时,所传递的实时(随机模拟)数据只是减了最后一个(没有减去相对应的),这个Bug不妨碍大局,因此存
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平面波是一种理想的电磁波,许多复杂的电磁波能分解成均匀平面波的叠加形式,研究平面波的传输问题有很强的现实意义,本文利用场匹配法和等效传输线法对平面波入射分成介质问题进行分析,计算出总的反射系数,并利用Matlab软件对频率在0-10GHz的平面波进行了仿真对比,加深了对平面波传输的理解。-Plane wave is an ideal electromagnetic waves, many of the complex electromagnetic waves can break down in
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C#创建线程与循环的例子,此为演示代码,创建新线程,并创建ThreadStart委托对象,消息传输方法AddMsg,在方法中使用循环实现传输功能,在循环中创建线程,在循环中创建并使用线程,传输一行,并将该行删除,点击测试按钮“传输”即可完成测试。-C# to create a thread and circular example, this is the demo code, create a new thread, and create a ThreadStart delegate obje
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根据透射反射曲线求解超材料介电常数 磁导率 阻抗 折射率-calculating the permittivity、permeability、impedance andrefraction indice of metamaterial based on transmission and reflectance coefficient.
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基于kaiser窗的双谱线插值FFT谐波分析,信号处理中的旋转不变子空间法,计算一维光子晶体的透射特性和反射特性。- Dual-line interpolation FFT harmonic analysis kaiser windows, Signal Processing ESPRIT method, Calculated transmission characteristics and reflection characteristics of the one-dimensional ph
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传输线故障测距,可行性高方法简单易于理解,(The transmission line fault location method is simple, easy to understand and feasible)
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采用此方法计算简单易行,方法简单,容易理解(The transmission line fault location method is simple, easy to understand and feasible)
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Traditional distance protections mainly use a
lumped parameter model and perform poorly under high-resistance ground fault and/or for long-distance transmission line.
In order to overcome the defects, this paper presents a new
distance protection met
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This article presents a new method for identification and classification of
faults based on wavelet multiresolution analysis (MRA). Daubechies eight (D-8)
wavelet transforms of the three phase currents on a transmission line are used.
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蒙特卡罗法用于三导体传输线串扰分析,最终给出图像,很好的模拟了结果(The Monte Carlo method is used to analyze the crosstalk of the three conductor transmission line, and the image is finally given, and the results are well simulated.)
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