3-D cylinder coordinate is established referring to Hitachi prostate ultrasonictherapeutic system and FDTD method is used to resolve temperature fieldnumerically. Influence of space step distance, time step distance on precision ofpressure, energy and temperature.
参照日立公司的超声波前列腺治疗系统建立三维圆柱坐标数值仿真模型,并将超声波非线性传播的FDTD仿真法应用于超声波非线性传播过程中焦点区域温度场的数值解析之中,数值仿真计算、讨论分析空间步距大小、时间步距大小对声压、热量、温度仿真精度的影响。
参考来源 - 高强度聚焦超声治疗温度场的数值仿真研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Stepping motor has certain step distance, have no cumulative error precision.
步进电机有一定的步距精度,没有累积误差。
Stepping motor has certain step distance precision, have no cumulative error.
步进电机有一定的步距精度,没有累积误差。
Such as list, wire rope caliper, groove caliper step distance measuring tools and fixed form such as customs reiteration of the value of measurement appliance.
如内外沟槽卡尺、钢丝绳卡尺、步距规等量具是以固定形式复现量值的测量器具。
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