由于数据传输系统的日益精细,传输设备的日益庞大,故只传输有用信息的要求极为重要。这可用一个只传送具有实际意义的数据点到数据使用者的适应数据系统来实现。这些适应数据系统,利用某种方法只把关键部位的数字样品传送到接收端,能克服现今系统的许多缺 Due to the increasing sophistication of data transmission systems and the growing number of transmission equipment, the requirement to transmit only useful information is of paramount importance. This can be done with an adaptive data system that sends only meaningful data points to the data user. These adaptive data systems, using a method that delivers only digital samples of critical locations to the receiving end, can overcome many of the current system’s shortages