您要查找的是不是：
- carrier frequency protection 载频保护
- 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。
- Aviation industry unites on frequency protection issue. 航空业界就频率保护问题团结一致。
- An oscillator for generating the carrier frequency of a transmitter. 主控振荡器产生载波频率的振荡器
- There are numerous patented technologies which can be piggybacked individually or collectively onto a carrier frequency to elicit all kinds of effects. 在一个载波频率上有着众多的专利技术，它能个别偷偷的或集体的引起所有种类的影响。
- The modulating signal is a slowly varying signal - as opposed to the rapidly varying carrier frequency. 调制信号是一个缓慢变化的信号作为反对以快变载波频率。
- This paper proposes a heter-cycle abutted CP structure and a two-step OFDM carrier frequency calibration algorithm. 摘要设计了一种具有异周期毗邻结构的新型循环前缓，提出了相应的OFDM频偏估计算法。
- 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。
- Using the new tri-coaxial-cable as connecting cable in high frequency protection channel to improve the anti-jamming ability of high frequency protection was suggested. 提出了用新型三同轴电缆作高频通道连接电缆可提高高频保护抗干扰能力的建议。
- Current GPS receiver search strategies are based on the sequential search of the C/A code phase and carrier frequency. 摘要当前GPS接收机的搜索策略是基于C/A码相位和载波频率的串行搜索。
- The frequency protect of overload. Call technical severs at once. Don't start the hoist before check the account. 变频器自动过载保护，立即通知专业维修人员，在查明原因前，不得启动升降机。
- Carrier frequency and modulation scheme are two key issues in the system design of automotive anticollision radar. 工作频段和工作体制是防撞雷达系统设计的两个主要问题。
- When the DLC system design, research, and to select a carrier frequency, the smallest difficulties and loopholes. 当 DLC 系统被设计的时候, 研究是运行到选择将运送者频率减到最少的与困难有关的洞。
- A new scheme to suppress carrier frequency deviation for PCM/FM telemetry digital receiver is presented. 摘要讨论了一种PCM/FM遥测数字接收机的载波频偏抑制方法。
- Comparison variations of correlation and covariance for carrier frequency as varing prmeter. 比较关联与关联变异随载波频率之变化。
- The offset of carrier frequency can cause interference between subchannels in a multicarrier system. 对于多载波系统,载波频率的偏移会导致子信道之间产生干扰。
- FM DC with high accuracy of carrier frequency for testing pagers and receivers fitted with digital squelches. 调频直流精度高的载波频率测试呼叫器和接收器配有数字squelches 。
- Baseband is a network technology in which only one carrier frequency is used (such as Ethernet). 之间的区别是什么基带和宽带？
- 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。
- The misoperation of high frequency protection caused by the electromagnetic disturbance was analyzed and the bad anti-jamming ability of existing coaxial-cable which is an important reason of misoperation in high frequency protection was pointed out. 摘要对电网高频保护通道受电磁干扰发生不正确动作现象进行了分析，指出现有同轴电缆抗干扰性能差是高频保护不正确动作的重要原因。
