This paper mainly describes the amplitude and phase errors caused by zero-order holder and the error caused by finite word length of D/A, and computer simulation test of D/A error is also introuced.
针对零阶保持器引起的幅度误差和相位误差，以及D/A转换器有限字长引起的误差进行了较为详细的分析，并进行了D/A误差仿真试验。
The 3-D dynamic thermal simulation test of putting small-size coke around inside wall of BF has been carried out in the laboratory.
在实验室做了边缘布加小粒焦的三维动态热模拟实验研究。
The simulated data tallies with the test data, and the feasibility of the 3-d numerical simulation is verified for fan pneumatic design.
模拟结果与试验结果基本吻合，验证了三维数值模拟对于风机气动设计的可行性。
By means of this method, the 3-D numerical simulation of the test area at Guangzhou Nansha Port is executed, and the results are compared with the test data.
利用该方法对广州南沙港某一试验区进行三维有限元数值计算，并与实测值进行了对比。
By means of this method, the 3-D numerical simulation of the test area at Guangzhou Nansha Port is executed, and the results are compared with the test data.
利用该方法对广州南沙港某一试验区进行三维有限元数值计算，并与实测值进行了对比。
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