基于射线声学的虚源法，通过具体算例，分析了典型声源声聚焦引起的测量误差。
Here the measurement errors due to acoustic focusing of typical sound sources are analyzed by detailed examples based on the method of image sources in the Ray Theory.
基于波数积分声场模型和虚源方法，开发了可计算海底掩埋物体三维散射声场的模型软件。
Combining the wavenumber integral model and virtual source method, a software for 3d scattering field from the buried target was developed.
源端口：分配给启动连接的主机上虚连接的端口号。
Source port: the port number assigned to the virtual connection on the connection-initiating host.
函数设置目标的实部分量为源值。函数设置目标的虚部为0。
The VI sets the real component of the destination to the source value. The VI sets the imaginary component of the destination to 0.
函数将目标值的实部设置为源值三个颜色分量的平均值，并将目标值的虚部设置为0。
The VI sets the real portion of the destination value to the average of the three color components of the source, and it sets the imaginary portion of the destination to 0.
函数将目标值的实部设置为源值三个颜色分量的平均值，并将目标值的虚部设置为0。
The VI sets the real portion of the destination value to the average of the three color components of the source, and it sets the imaginary portion of the destination to 0.
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