该词条未找到_海词词典

您要查找的是不是：

signal frequency multiplier 信号频率倍增器
A frequency multiplier which multiplies the frequency of an input signal by two. 使输入信号的频率加倍的一种倍频器。
A counter with timing fiducial oscillator acts as a frequency multiplier, and the count value in the prior period is taken as the reference for the current period to give the decimal part of a signal period. 该方法利用带基准时基的数字计数器实现周期内线性细分，当前周期信号将前一整周期的倍频数作为参考构成信号周期的小数部分。
This paper gives a new method of designing low frequency multiplier by expounding the principles and analyzing the characteristics. 文章提出了一种全新的低频倍频器的设计方法，并对其原理及特性进行了阐述与分析。
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。
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。
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 experimental result shows that the frequency muhiplier designed by this method can hardly add noise except the theoretic phase noise loss. In addition,the efficiency of the frequency multiplier is relatively high. 实验结果表明,用这种方法设计的倍频电路,除损失理论上的相位噪声外,几乎不附加噪声,同时倍频效率也比较高。
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。
In this paper,with the help of double balance mixer,design and manufacture of S-band wide-band & frequency multiplier chain is introduced,of which bandwidth is biggerthan 13%,harmonic rejection is bigger than 45 dB,output fluctuation is less than 1 dB. 本文介绍使用双平衡混频器设计制作S波段宽带八倍频链带宽大于13%25，谐波抑制大于45dB、输出波动小于1dB的良好性能。
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。
This paper describes simply the basic property of GaAs dual-gate FET and application in amplifier,frequency multiplier,mixer,oscillator,phase shifter,switch and microwave circuits and so on. 本文简述砷化镓双栅场效应管的基本特性及其在放大器、倍频器.;混频器、振荡器、移相器和开关等微波电路中的应用
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。
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。
If the signal frequency to be measured is low, wide strobe gate is required for high measurement precision. 当被测信号频率较低时，需要很宽的选通门才能得到较高的测量精度。
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 output signal can be converged normally when the designed frequency departs the input signal frequency by 20%. 当设置的初始频率偏离输入信号频率20%25时,输出信号仍可以正常收敛。
step recovery diode frequency multiplier 阶跃恢复二极管倍频器
As the addition of signal frequency, oscillograph will drop to demonstrating ability correctly of signal. 跟着信号频率的增添，示波器对信号的正确显示能力将回升。