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- Analysis and simulation showed that the method not only has good performance in frequency synchronized situation, but also solves the GPS bit synchronization problem with high frequency offset. 经过理论推导和仿真验证,该方法不仅在频率同步的情况下具有很好的检测性能,而且解决了以往方法在频率未同步的情况下无法进行比特同步的问题。
- high frequency offset 大频偏
- Carrier frequency offset is one of the key problems in OFDM system. 摘要载波频率偏移是OFDM系统实现的关键问题之一。
- Small dissipation factor at high frequency. 高的频率和小的损耗因素.
- High Frequency Switch-mode Rectifier for. 通信用高频开关整流器。
- High Frequency and Temperature Stability. 高频及高温稳定。
- The results indicate that frequency offset can be obtained robustly. 海量实验数据证明,对应的数据是鲁棒的。
- Linear and Stable High Frequency Characteristics. 稳定的线性高频特性。
- Provides high Q characteristics in high frequency. 在高频率时提供高的品质因数(Q)值特性.
- Antistatic 50W high frequency power quick clean. 防静电50W高频功率,清洗效果显著。
- Dolphins produce a high frequency sound. 海豚可以发出高频音。
- Yadong High Frequency Welding Steel Manufacture CO. LTD提供钢卷和其他产品。
- Feature:low dissipation factor at high frequency. 特征:高频率,低损耗;容量稳定;自愈性能佳,适合高阻 Recommended Application: Timing, tuned, Oscillator circuits;
- 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。
- VHFJ? Very High Frequency Jammer? 甚高频干扰台?
- The simulation for QPSK shows that the algorithm can estimate the carrier phase and frequency offset accurately and reduce the system BER effectively. 结果表明,用该算法可以精确估计载波相位和频差,有效地降低系统的误码率。
- The ways of estimating the frequency offset and Doppler spread width in WCDMA system are studied in this paper. 本文主要研究了WCDMA(宽带码分多址)系统中频偏和最大多普勒频偏的估计方法。
- Therefor it is becoming the focus technology of wireless communication.The fucus of the research of OFDM is easily to be affected by frequency offset and the high Peak to Average Power Ratio(PAPR). OFDM系统的研究的重点是易受频率偏差的影响和存在较高的峰值平均功率比 (PAPR)问题,这使得OFDM通信系统的性能大大下降甚至直接影响实际应用。
- It has previously been shown that PCC substantially reduces the sensitivity of OFDM to carrier frequency offset. PCC能够显著地降低OFDM对载波频偏的敏感性。
- A novel scheme of estimating the carrier frequency offset in CDMA system with the continuous pilot channel is proposed. 摘要本文针对存在载频频偏的CDMA系统,提出了一种新的估计该固有频偏的方法。
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- 农业及相关产业增加值 - the added value of agriculture and related industries