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- Two methods of rapid code acquisition based on FFT are presented, one method is based on fractional multiple sampling rate convertor, and the other is based on decimation. 该文提出两种基于FFT的伪码快速捕获方案,一种是基于分数倍采样率转换器的快捕方案;另一种是基于抽取器的快捕方案。
- Rapid code acquisition 伪码快速捕获
- Computer simulation shows that this algorithm can get rapid PN code acquisition in very low SNR and is easy to be realized in FPGA and DSPs. 实验证明,这种捕获算法易于采用可编程门阵列和数字信号处理器相结合的方式实现,可以在极低的信噪比下实现扩频PN码的快速捕获。
- Treating your users as co-developers is your least-hassle route to rapid code improvement and effective debugging. 把用户像合作者来对待是通往快速改进代码和有效调试的最佳通道。
- A new approach called spatial-temporal correlator (STC) for code acquisition and beamforming weight acquisition is proposed for DS-CDMA systems with adaptive array. 提出了空时相关器 (STC)方法实现使用自适应阵列的DS CDMA系统的码捕获和自适应波束形成权值捕获 .
- A novel noncoherent approach,based on multi-symbol accumulation-to-PN code acquisition and digital matched filters(DMFs),was proposed to solve the problem. 它在传统单次驻留算法的基础上,用多码元累加来提高码相位判决量的信噪比,从而大大降低了低输入信噪比和低恒虚警约束下的平均捕获时间。
- A new code acquisition method based on phase difference correction of FFT is presented to solve the problem of long code acquisition time in high dynamic DSSS receivers having large frequency offset. 针对大频偏下高动态直扩接收机伪码捕获时间长的问题,提出了一种新的基于FFT相位精确估计频偏的改进方法。
- The designers must then follow up to be sure that the design wasn’t compromised for the sake of rapid coding. 然后设计师必须穷追不舍,确保设计不与快速编码妥协。
- Based on the characteristics of correlation between PN sequences and received signals, a new method which combines code acquisition and symbol timing recovery for TDS-OFDM receiver is developed. 摘要提出了TDS-OFDM接收机中一种结合PN序列相位捕获的定时同步算法。
- The designers must then follow up to be sure that the design wasn't compromised for the sake of rapid coding. 然后设计师必须穷追不舍,确保设计不与快速编码妥协。
- A New DSSS Long PN Code Acquisition Algorithm 一种新的直序列长伪码捕获方案
- Study on Code Acquisition in Direct Spread Spectrum 直接扩频码捕获技术的研究
- PseudoNoise(PN) code acquisition 伪码捕获
- two-step pseudo-noise code acquisition 双级捕获
- The sniper snapped off six rapid shots. 狙击手迅速地连放了六枪。
- Childhood is a period of rapid growth. 幼年是生长迅速的时期。
- He made rapid progress in his studies. 他学习上进步很快。
- His rise to power was very rapid. 他很快掌握了大权。
- A noncoherent rapid acquisition way of BPSK Modulated PN Code Acquisition with 1bit quantized BPSK调制扩频码1bit量化非相关快速捕捉方法及实现
- The dictionary is now in rapid preparation. 这本词典现在正在迅速编写之中。