说明：  :利用数据采集卡构建的数据采集系统一般价格昂贵且难以与实际需求完全匹配。该文提出了一种基于声卡的数据采 集与分析方案,该方案具有实现简单、性价比和灵活度高的优点
(: The use of data acquisition cards to build the data acquisition system in general is expensive and difficult to exactly match the actual demand. This paper presents a sound card based on the data collection and analysis program, which has a simple, cost-effective and flexible advantages of high)