time hopping meaning in English
跳时
Examples
- Spread spectrum communication technology can be classified into four catalogs : direct sequence spread spectrum , frequency hopping , time hopping and chirp
扩频技术种类较多，主要包括直接序列扩频、跳频、跳时和线性调频。 - Still , those who study psychoportation try the impossible , and in some cases succeed with powers such as time hop and time regression
然而，学习心灵传送系的人尝试打破这种不可能，并且某些情况下成功了，例如“时间跳跃”和“时光倒流”异能。 - Then we introduce pulse position modulation ( ppm ) using pn code and analysis its multi - access performance , system capacity and power spectrum density . on the basis of those analyses , we study the pulse shape and the anti - jamming ability of the system . at last , multiple access with pseudochaotic time hopping is introduce
本文首先阐述了uwb脉冲通信系统的基本原理，重点介绍了用伪随机码跳时的ppm (脉冲位置调制)调制，分析了他的多址性能、系统容量和功率谱密度，在此基础上研究了改进性能的发射信号形状和系统抗干扰能力，最后介绍了伪混沌码跳时的多址方式。 - He hopped and bobbed clumsily along on his injured ankle , throwing stones and screaming hoarsely at times ; at other times hopping and bobbing silently along , picking himself up grimly and patiently when he fell , or rubbing his eyes with his hand when the giddiness threatened to overpower him
他拖着受伤的脚腕，一瘸一拐跌跌撞撞地追赶，有时他朝它扔石子，有时嘶哑地吆喝；其它时候他只是跛着腿不声不响地追着，摔倒了就艰难而执着地爬起来，而有时他头晕眼花，就用手揉揉眼睛。