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- signal frequency side band 信号边带
- The experiment shows that AWG has wide signal frequency band and high resolution. 实验表明,此波形发生器产生的信号频率范围广,分辨率高,具有一定的实用价值。
- The special functions of cepstrum in testing cycle signal and side band identification were fully proved by application. 实践证明了,倒频谱在检测周期信号和识别边频上具有独特的功能。
- In order to divide the signal frequency band in detail and raise the frequency distinguish ability, the anti alias filter is made by using a integrated switched capacitor filter. 为了对信号频率段进行细分 ,以提高频率分辨率 ,采用集成开关电容滤波器制作抗混滤波器。
- The theoretical and experimental results show that accompanying the increase of the interchannel phase difference,the sound image broadens as the signal frequency band width increases. 理论和实验结果表明,随着通路间相位差的增加,声象随信号频带宽度的增加而展宽。
- When there is a modulated signal from transmitter, there are side bands. 只要在发射机中存在调制信号,就含有旁频带出现。
- In pulse code modulation,a spurious signal formed from beats between the signal frequency and the sample frequency. 在脉冲编码调制中,信号频率和取样频率之间的差拍所引起的伪信号。
- The X-ray diffraction (XRD), excitation, emission and phonon side band spectra of the upper and lower parts of crystals were measured. 测定了晶体下部与上部的X射线衍射图(XRD)、激发光谱、荧光光谱以及声子边带谱。
- Double frequency both side band transmission 双频双边带传输系统
- This instrument can measure AC signal frequency either of the single phase voltage or of the tri-phase voltage. 本表既可测交流单相电压信号之频率,亦可测交流三相电压信号之频率。
- The high permeability of the ferromagnetic reeds in a reed relay causes a pronounced skin effect with increasing signal frequency. 干簧式继电器中铁磁簧片的高磁导率会随信号频率的增加而产生很强的趋肤效应。
- Single Side Band Frequency Modulation 单边带调频
- In pulse code modulation, a spurious signal formed from beats between the signal frequency and the sample frequency. 在脉冲编码调制中,信号频率和取样频率之间的差拍所引起的伪信号。
- Single side band signal generaltor 单边带信号发生器
- It has sharp impedance characteristics at desirable frequency and it does affect the signal frequency. 在某一频率区域内,其阻抗值急剧上升,从而在特定的频率内可获得较高的衰减速效果而对信号不产生影响。
- double frequency both side band transmission system 双频双边带传输系统
- A false signal in telecommunication links from beats between signal frequency and sampling frequency. 假信号信号频率和取样频率之间的拍子在无线电通信线路产生的假信号。
- The method tracks signal frequency by LMS algorithm and analyses the phase of output signal. 通过采用最小均方误差自适应滤波算法 ,跟踪信号的单一频率 ,分析输出信号的包络 ,实现PCM/FSK信号的解调。
- Single Side Band Signal Circuits 单边带通信线路
- They can also be helpful if the original signal frequency does not fit in the DUT testing frequency. 如果原始信号频率不适合于DUT的测试频率,信号滤波也非常有用。