To solve this problem, a new method of large step code fast acquisition is proposed. The probability of a false alarm,the probability of detection,and average acquisition time are discussed in detail.

• 针对该问题；提出了一种大步进伪码快速捕获方法；并给出了大步进伪码快速捕获的原理和实现方法；详细分析了该方法的检测概率、虚警概率和平均捕获时间.