Power efficient receiver

一个直接序列扩展频谱接收机取样一个输入信号并将此取样储存在存储器中。之后电源被阻止加到该接收机的调谐器，以降低功耗。当需要处理该信号而不再捕获信号时，可以从储存器读出该取样。可以有选择性地控制接收机其它部分的电源以降低功耗。这样的一种接收机在全球定位系统(GPS)信号处理中是有用的，在那里该接收机具有一个受到限制的电源。 A direct sequence spread spectrum receiver samples an incoming signal and stores the sample in memory. Power is then inhibited to the tuner of the receiver to minimize power consumption. The signal sample may be read from memory when necessary to process the signal without further signal acquisition. Power to other receiver sections may be selectively controlled to minimize power consumption. Such a receiver is useful in global positioning satellite (GPS) signal processing where the receiver has a limited power supply.