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In addition,the data stability of VFC running in the high full scale output frequence and high sampling frequency conditions are analysed and some useful conclusions are obtained. 此外，分析了VFC型模数转换在高输出频率、高采样率情况下数据的稳定性，并得出了有益的结论。
Cascade connection of two same systems is used to obtain 2 Ms/s sampling frequency. 介绍了如何利用两个相同系统级联的方法获得2Ms/s的采样频率.
Sampling frequency and time constant of phase-locked amplifier were increased by using microcomputer. 采用计算机采样，提高了采样频率和锁相放大器的时间常数。
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 data would therefore import to FREQ software estimate the best sampling frequency for monitoring wells. 前述资料取得后，引入FREQ程式中分析，并拟定最佳之监测频率。
If the sampling frequency is less than this, we can expect a serious distortion of output frequency which is generally referred to as aliasing. 如果取样频率小于此数，那么输出频率就要产生严重畸变，通常假频指的就是这种情况。
Author suggests that increasing number of measurement taps and prolonging sampling time and enhancing sampling frequency will decrease signals aliasing and leakiness. 并提出在进行压力脉动试验时，应增加测点、延长采样时间、提高采样频率以避免信号遗漏和信号混叠等现象的发生。
As a result, the quantization bit rate of 12 -17 bits in an A/D converter, and the sampling frequency of 22 GS/s are required. 得出结论为: A/D转换器的量化比特位数应为12-17位,最小采样频率应为22GS/s。
The nonuniformly sampling has following advantages: alias-free、sampling frequency need not obey the Nyquist limit、and higher frequency resolution. 该文提出一种基于非均匀采样和最小二乘法的间谐波检测方法。
Through simulation test, the sampling frequency of the board can reach 250 MSPS, while storage capacity can achieve 1 GByte. 通过仿真和测试，该数据采集卡采样率可达到250MSPS，存储容量可达1GByte。
In opto-electric systems, moire artifacts will occur when viewing periodic targets containing spatial frequencies exceeding half of the sampling frequency. 光电成像系统对周期目标欠抽样成像时, 由于频谱混淆将产生莫尔条纹式的赝像。
It can detect the value and phase of the signal and export it as the form of direct current, so can reduce the requirement for the sampling frequency of the A/D sampler. 利用该技术能把信号的幅值和相位分别检测出来,以直流的形式输出,可以大大减小对A/D采样器的采样频率要求。
In the sending side, we discuss how to send signal by using IFFT and introduce how to choose sampling frequency and how to realize the continuity of signal phase. 并就采样频率的确定以及如何实现信号相位连续进行了介绍。
The sampling frequency of PMU is constant because of the synchronization of its phasor measuring.As system frequency changes, the error of measuring phasor is avoidless. 由于相量测量装置(PMU)对相量测量同步性的要求，其采样频率应保持为常数，当系统频率变化时，相量的计算会出现误差。
Since the higher the sampling frequency ,the higher order of mixed high harmonics , the amplitude smaller, the impact to useful information aliasing is smaller. 留学解答资讯网:由于采样频率越高则混入高次谐波的阶数越高，幅值越小，对有用信息混叠影响越小。
The use of phase-locked loop technology makes the sampling frequency synchronously follow the signal frequency and improves the calculation accuracy of sampling data. 运用锁相环技术使采样频率同步跟踪信号频率,提高采样数据计算的准确性。
The OFDM inner receiver design should take account of synchronization issue, such as symbol boundary, carrier frequency offset and sampling frequency offset. 内接收机所要考虑的问题有符码边界偏移、载波频率偏移和取样时脉偏移等同步问题。
The required signal bandwidth is 1.25MHz.This modulator uses MASH2-1-1mbit architecture with 4 bit quantizer in the last stage and OSR of 16 which means 40MHz sampling frequency. 调制器信号带宽要求为1.;25MHz，结构采用MASH2-1-1mbit结构，最后一级采用4位量化，过采样率为16，采样频率为40MHz。
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。
A method of frequency measurement based on HSI(High Speed Input) of 80C196 is proposed. It is discussed that voltage sampling frequency tracks signal frequency according to the reasult of frequency measurement. 提出了一种基于 80 C196单片机 HSI的频率测量方法 ,并依据测量的频率来改变电压的采样时间间隔 ,实现频率跟踪功能。