提出了一种用于对不连续压力采样序列的傅立叶分析方法。
Fourier analysis method is proposed for analyzing the discontinuous time series of pressure.
频率估计公式包括采样序列DFT、相位差计算和频率计算。
The set of formulas consists of DFT of sampled data, phase difference calculation and frequency calculation.
几何校正过程实质上是由均匀采样序列插值得到非均匀采样序列的过程。
The geometric correction is substantially the process to get a non-uniform sequence by interpolation from a uniform sequence.
等效采样系统通过对该信号多次触发,用多个等效采样序列重建输入信号。
The input signal is reconstructed with several random sampling series by multi-trigger.
数字式频率引导采用对接收信号采样序列进行FFT运算处理实现对目标的频率捕获,具有显著的优越性。
While digital frequency leading implements capture of target frequency through the operational processing of received signal sample sequence by FFT, it has obvious superiority.
然后对窄带雷达回波采样序列进行相位匹配变换,搜索匹配函数的最大值,从而得到质心位置参数的估计值。
The phase matching transform is performed on the sample series. of narrow-band radar echo, and the centroid position parameter is estimated by searching for the maximum value of the matching function.
当白噪声干扰方向控制器时,可以用采样数据建立时间序列的自回归模型。
When a white noise interferes with the controller, a time series autoregressive (AR) model is built using the sampled experimental data.
信号序列的DFT本身就是信号频谱的采样集,所以DFT可直接用于分析信号的频谱。
Signal sequence DFT is a signal frequency spectrum sampling sets, therefore DFT can be directly used for analysis of signals frequency spectrum.
视频序列的时域亚采样对于低比特率信道上的视频传输和存储空间受限条件下的视频存储具有十分重要的意义。
The temporal sub-sampling technique of the video sequence is very important for the video transmission in the low-bit-rate channel and the video storage in the limited storage space.
当白噪声干扰电流变传动器时,利用采样数据,建立时间序列的自回归模型。
When a white noise interferes with the device, a time series model, proposed as AR (autoregressive) model, is conducted by using the sampled experimental data.
基于软件无线电的思想,论述了直接序列扩频接收机的数学模型,进而建立了一个宽带中频采样直扩系统接收机的实现框图。
On the basis of software radio, a mathematics model about DSSS receiver is described, and a realization diagram of wide_scope intermediate frequency sampling DSSS receiver is builded.
采样控制系统中,所处理的信号是连续时间信号经采样后所得到的脉冲序列。
In the control system of sampling, signal to be dealt with is the pulse sequence after sampling from the continuous time signals.
通过获得的一个心动周期的心脏运动序列图像,得到采样节点的位移和速度。
The displacement and speed of the sampling node is obtained by obtaining one cardiac cycle heart movement sequence image.
在此基础上,加入多时间序列的融合算法可以将有效采样率成倍提高,精度也得到相应的改善。
Furthermore, on applying Time Fusion algorithm based on sampling sequence, the effective sampling rate can be multifoldly increased and the precision of result greatly improved.
对输出的模拟混沌信号进行过采样和最优量化,可得到性能优良的扩频序列。
Afterward, we can gain spread spectrum sequence by sampling and quantizing the analog chaotic signals.
粒子滤波算法(PF)中,序列重要性采样引起采样点贫化,进一步经过重采样后造成分集度损失。
In particle filters (PF), sequential importance sampling will result in sample impoverishment and further the loss of diversity after resampling.
并将该方法应用于15分钟和5分钟采样周期的实测交通流时间序列中,计算结果表明交通序列中含有混沌特性。
Then, we use this method into the real time series of traffic flow with sampling period of 15 and 5 minutes, the results indicate that there are chaos in the traffic flow.
使用MD5算法对上述采样值序列做运算,生成256位的索引值。
Then we use MD5 to compute the sampling sequence and get the index value, which is 256 bits.
使用MD5算法对上述采样值序列做运算,生成256位的索引值。
Then we use MD5 to compute the sampling sequence and get the index value, which is 256 bits.
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