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- 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。
- 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 image forming and disposing time delay of TV tracker and sample frequency affect tracking capability of TV tracking system directly. 由于电视跟踪器图像信号建立、图像处理等原因造成的延时和采样频率直接影响了电视跟踪伺服系统的性能。
- It was proposed that oversampling is necessary by analyzing the influence of different sample frequency on the decomposition of sine wave. 对单频正弦信号的分析结果表明,应用局域波分解对信号进行分析时,要对信号进行过采样。
- Operator-based SPC control charts are optimized for statistically valid sample frequency, sample size, and appropriate chart type. 以作业员为主执行的控制图表,须依据其样本频率、样本大小和相应的图表类别而择优选定。
- The experimental results show that speech signal is acquired at sample frequency of 22 kHz and the pitch period is estimated by finding the distance between the local maximums. 通过计算不同尺度下的相关系数局部极大值之间的距离,能估计出基音周期;
- The relation between decomposition error and sample frequency was revealed and it was also proved that increasing the sample frequency can effectively reduce the error. 研究结果揭示了分解误差和采样频率的关系,验证了提高采样频率可以有效地降低分解误差。
- THIS FIGURE IS OBTAINED BY SUMMING THE SAMPLE FREQUENCY OF POINTS IN EACH OCCUPIED CELL TIMES THE LOG OF THE FREQUENCY. SUCH NUMBERS ARE USED TO ESTIMATE THE INFORMATION DIMENSION. 这个数字是由合计各个被占用的小盒子的点的抽样频率乘上这个频率的LOG值得出来的。这样的数被用到估算信息维。
- 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。
- What I need is nothing but a sample. 我需要的不过是一件样品而已。
- 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。
- The nurse took a sample of my blood for tests. 护士抽了我的血样去化验。
- 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。