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- In order to solve such problem,a FFTbased fast method to compute the periodic correlation function is presented. 为了解决大运算量问题,论文基于FFT给出了一种快速计算周期相关函数的方法。
- The periodic correlation function is an important index to evaluate direct sequences. 周期相关函数是评估直扩序列相关性能的重要指标。
- This paper presents a new periodic correlation signal,which is perfect ternary sequences Pairs.The properties of the perfect ternary sequences pairs are studied.Moreover,PSTP are constructed. 提出了一种新的周期相关信号,即最佳三元序列偶,研究了它的性质以及最佳三元序列偶的几种构造方法。
- By means of the good period correlation of pseudorandom code and using the synchronism technology, the data transmission ability of the spread spectrum communication system is effectively improved. 提出了一种多幅扩频技术,利用伪随机码良好的周期互相关性,采用同步技术,有效地提高了扩频通信系统数据传输能力。
- That period was a bright page in the history of Chinese literature. 那个时期是中国文学史上光辉的一页。
- Let us hope that the period of this injustice will be over soon. 让我们希望这个不公正的时期很快结束吧。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- He consulted the chronicles of the period. 他参考了这一时期的编年史。
- He had to decide within a given period. 他得在一定时间内作出决定。
- She has a detailed knowledge of this period. 她对这段时期的情况了解地相当详细。
- In that period auto sales hit a14-year low. 这时期汽车销售量达到14年来最低水平。
- In this period, unemployment reaches record levels. 这段时间的失业人数又达到了创纪录水平。
- Which period of history are you studying? 你正在学哪一段历史?
- Can you tell me the time period when it was stolen? 能不能告诉我大概什么时候被偷的?
- Chaucer wrote in the late mediaeval period. 乔叟写作的时代是中世纪末。
- She'll be away for an indefinite period. 她将离开一段时间,何时回来未定。
- This was the most difficult period of his life. 这是他一生中最艰难的时期。
- The meeting finally came to a period. 会议终于结束了。
- A period signals the end of a sentence. 句号表示一个句子结束了。
- She is publishing a history of the war period. 她有一部战争时期的历史著作正在印行。