超声视频图像需要实时地采集并在处理后在显示器上重建，图像存储器就必须不断地写入数据，同时又要不断地从存储器读出数据送往后端处理和显示[11]。为了满足这种要求，可以在采集系统中设置2片容量一样的SRAM，通过乒乓读写机制来管理。任何时刻，只能有1片SRAM处于写状态，同时也只有1片SRAM处于读状态。工作期间，2片SRAM都处于读写状态轮流转换的过程，转换的过程相同，但是状态错开，从而保证数据能连续地写人和读出祯存.-Real-time ultrasound video images need to collect and deal with the reconstruction after the display, image memory must be continually write data, while at the same time continuously sent from the memory读出数据back-end processing and display [11]. To meet this requirement, you can set up collection system capacity of two different SRAM, read and write through the ping-pong mechanisms to manage. At any time, can only have a SRAM in write state, but also the only one at a time the state of SRAM. Work, two SRAM read and write are in the process of converting a state of rotation, the conversion process of the same, but the state staggered to ensure that data can be continuously written and read out Qizhen depositors.