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- The RF Power Amplifier（PA）in the transmission path which so far have been modelled as frequency independent（without memory effects） show memory effects due to the large signal bandwidth. 在宽带应用中,由于传输信号带宽增加,RF功率放大器不同于窄带输入下的无记忆特性,将表现出与频率有关的记忆非线性特性。
- Characteristic modes and singular value decomposition are used at a small number of frequencies, and a set of frequency independent basis functions is constructed over the entire frequency range. 该方法利用特征模对天线给定频带内少数频率点进行分析，选取这些频率点主要特征模函数组构成降维子空间；
- With the plane Archimedean spiral antenna a calculation of the current on the antenna as well as its radiation is carried out and its frequency independence was verified. 并以平面阿基米德螺旋天线为例 ;计算了天线上的电流分布和辐射特性 ;验证了天线的频率无关特性 .
- He varied the transmission frequency. 他变换了无线电传送的频率。
- A New Method for Implementing Frequency Independent Beam Pointing Direction of Waveguide Slot Array Antenna 波导裂缝阵天线实现恒指向的一种新方法
- A unit of frequency equal to one cycle per second. 赫兹频率的单位，等于每秒一周
- Fatal accidents have decreased in frequency over recent years. 近年来死亡事故发生的频率已经下降。
- We can often correlate age with frequency of illness. 年龄的大小往往与发病率有关。
- Accidents on that highway are happening with increasing frequency. 那条高速公路上车祸发生得越来越频繁。
- frequency independent antenna 定阻抗天线
- He tuned his radio to the police frequency. 他把无线电调到警方的频率。
- He manipulated the frequency dial of the radio. 他开始调拨频率键盘。
- The pitch depends on the frequency. 音调的高低是由频率决定的。
- The resulting frequency varies by a few percent. 最终频率有少许变动。
- I am majored in audio frequency amplifier. 我主修音频放大器。
- Small dissipation factor at high frequency. 高的频率和小的损耗因素.
- Spread the palpitate frequency love till ending. 循着心跳的频率爱到永不分离。
- Wave speed equals frequency times wavelength. 波速等于频率乘以波长。
- As she moved up in frequency, her ascension began. 当她频率增加时，她的提升也就开始。
- Fast frequency hopping avoids interference. 快速跳频避免干扰。
