在各种扩频方式中，直接序列扩频（Direct Sequencing，DS）和频率跳变（Frequency Hopping，FH）是最为常用的扩频技术。
基于16个网页-相关网页
This paper focuses on some problems in circuit design such as oscillation blocking, frequency hopping and testing blind zone. An offset technology is used to avoid the testing blind zone.
本论文分析了如何解决SAW振荡器的停振问题以及混频检测下的测试盲区等问题,而且提出了一种预偏置技术以避免该检测方法中存在的频率跳变问题。
参考来源 - 声表面波气体传感器电路优化设计·2,447,543篇论文数据，部分数据来源于NoteExpress
观察到锁频，相邻模式间的频率跳变及滞后等现象。
The frequency locking, frequency jump between neighboring modes and the hysteresis phenomenon are observed.
美将会投入更多精力于加密和频率跳变等技术，以保护卫星通讯。
More is also to be spent on protecting satellite communications through encryption and frequency hopping.
根据跳频信号瞬时带宽，将潜在跳频频率点邻域时频图投影到时域，分选潜在频率跳变点集合。
The potential temporal hopping point set is fetched from the temporal projection variance of the adjacent domain time-frequency image according to the instantaneous signal bandwidth.
应用推荐