在许多方面,处理离散时间信号要更加灵活些,因此比处理连续时间信号更为可取。
In many contexts, processing discrete-time signal is more flexible and is often preferable to processing continuous-time signals.
离散子波变换将离散时间信号分解为一系列分辨率下的离散逼近和离散细节。紧支的正交规范子波与完全重建正交镜象滤波器组相对应。
The discrete wavelet transform decomposes a discrete time signal into an approximation sequence and a detail sequence at each level of resolution.
决定性的因素是这种区分是没有根据的样本离散多时间,但它是一个物理作用,使用户会看到一个充满活力,低噪声加速度信号。
The decisive factor is that the differentiation is not based on a sample over a discrete time period, but is a physical effect, so that the user sees a dynamic, low-noise acceleration signal.
正弦信号矢量电压的测量,是可以从取样得到的时间离散信号序列中获取。
The measurement of vector voltage can be got from the discrete sequential data of a sampled singal.
本文经过重新定义增广误差信号,给出了有延时情况下线性时不变离散时间单输入单输出被控对象的模型参考自适应控制系统的超稳定性设计方法。
This paper presents a hyperstable scheme for designing discrete model reference adaptive control system for lineartime-invariant SISO plant, based on a redefined augmented error signal.
在讨论了连续信号循环频率的支撑区及循环矩支撑区的基础之上,给出了连续信号在时间离散化时不发生混迭的条件;
The supports of continuous-time signal's cyclic frequency and cyclic moment spectra are discussed, and the nonaliasing constraints have been established and discussed.
然后从故障检测的角度引入算子,定量考察连续时间未知输入信号和故障信号对离散时间残差信号的影响。
Then an operator is introduced from the viewpoint of fault detection to describe quantitatively the influence of the continuous-time unknown inputs and faults on the discrete-time residuals.
通过这种方法能比较容易地获得非线性系统对于实激励离散信号或模拟信号的响应时间序列。
By this method, for a real excitation discrete signal or a simulating signal, the response time series of a non-linear system can be easily obtained based on the Z-transform technique.
实验的自变量是图形的离散度参数,因变量是单位时间图形信号的视觉通道信息传递量。
The experimental variable was the dispersion of polygons, and the dependent variable was the rate of visual information transfer.
基于低功耗设计考虑,调制器采用有源-无源混合型环路滤波器,并通过离散时间微分技术移除信号求和模块。
Upon the low power design consideration, a hybrid active-passive loop filter is employed and the signal summing block is removed by using discrete-time differentiation technique.
然后根据离散时间双稳态系统,设计了处理常值二进制信号的接收器结构,在一些非高斯噪声下对接收器的检测性能与匹配滤波器进行了比较分析。
The receiver structure based on discrete-time bistable system is designed for the constant binary signal detection, and it is compared with the matched filter in some cases of non-Gaussian noise.
基于一种平均信噪比讨论了离散时间系统中的三种典型噪声辅助信号传输的问题。
This paper discusses noise-assisted signal transmission in discrete-time systems based on an average signal-to-noise ratio (ASNR) for three representative noises.
离散时间系统有采用的方式灵活等特点,但由于离散时间系统需要A/D、D/A转换,处理信号的速度慢等缺点。
The working pattern of discrete-time system is flexible, but it need A/D and D/A, which make that system work slowly.
一段时间后,人们意识到模拟系统的仿真编码其实是一个作用于离散时间间隔的输入和输出样本的数字信号处理系统。
After a while it was realized that the simulation coding of the analog system was actually a DSP system that worked on samples of the input and output at discrete time intervals.
一段时间后,人们意识到模拟系统的仿真编码其实是一个作用于离散时间间隔的输入和输出样本的数字信号处理系统。
After a while it was realized that the simulation coding of the analog system was actually a DSP system that worked on samples of the input and output at discrete time intervals.
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