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五、记忆示波器在前两讲中讨论了微处理机芯片系列以及外设接口芯片的选择原则,在这一讲中将通过一个实际的例子来讨论这些原则的具体应用。这里选择在医学和其它领域中,有广泛用途的记忆示波器的设计为例。 1.记忆示波器的要求在临床医学中,对生理信号进行监视是个重要问题。由于许多生理信号都是慢变信号,如心电、血压、体温、呼吸等,而且往往是单次性的现象,如突发的一次心脏早搏等,所以实际的技术问题是要捕捉单次的瞬变现象。这类问题在其它技术部门亦常有遇
Five, memory oscilloscope The first two talks discussed the microprocessor chip series and the peripheral interface chip selection principle, in this talk will be through a practical example to discuss the specific application of these principles. Here are some examples of the design of memory oscilloscopes that are widely used in medicine and other fields. 1. Memory oscilloscope requirements In clinical medicine, the monitoring of physiological signals is an important issue. Because many physiological signals are slowly changing signals such as ECG, blood pressure, body temperature, respiration, etc., and often are single-shot phenomena such as sudden cardiac premature beats, etc., the actual technical problem is to capture a single Transient phenomenon. Such problems are also common in other technical departments