The discrete wavelet transform decomposes a discrete time signal into an approximation sequence and a detail sequence at each level of resolution.
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。
A device that is similar to a microprocessor, except that the internal CPU has been optimized for use in applications involving discrete-time signal processing.
一种类似于微处理器的的设备，不同的是它内部的CPU被优化，用于特定的应用，如离散信号处理。
As an important class of hybrid dynamical systems, a switched system is composed of several continuous time subsystems or discrete time subsystems and the switching signal among them.
切换动态系统是一类重要的混合动态系统，它是由几个连续时间子系统或离散时间子系统及作用在其中的切换规则构成的。
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.
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。
Secondly, a DSTFT(Discrete Short Time Fourier Transform )-based demodulation method for the 2FSK signal is studied and algorithms for symbol synchronization and symbol decision are analysed.
重点研究了基于离散短时傅里叶变换解调2FSK信号的方法，分析了几种码元同步算法和码元判决算法。
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.
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。
This paper describes the need to transform the continuous periodic signal in time domain to the discrete signal in frequency domain by using Fourier Series (FS).
讨论了利用傅里叶级数把连续周期时域信号转换成离散的频域信号的必要性。
Operation of discrete convolution and discrete correlation will spend too much time to process a signal in time.
时域离散卷积和相关运算一般耗时太长，对信号进行处理的实时性较差。
An efficient implementation of the discrete form of the wavelet transform on digital signal processors (DSPs) is especially interesting for the analysis of real time signals.
在实时信号分析中，离散小波变换在DSP上的有效应用受到了特别的关注。
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.
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。
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.
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 frequency and amplitude and phase of discrete spectral lines can be calculated through two DFT analyses one after another, which is one complex time domain signal analysis virtually.
相继两次DFT分析（实为一次复时域信号分析）可精确确定诸分立谱线的频率、幅度与相位。
A device that is similar to a microprocessor, except that the internal CPU has been optimized for use in applications involving discrete -time signal processing.
一种类似于微处理器的的设备，不同的是它内部的CPU被优化，用于特定的应用，如离散信号处理。
In many contexts, processing discrete-time signal is more flexible and is often preferable to processing continuous-time signals.
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。
This paper discusses noise-assisted signal transmission in discrete-time systems based on an average signal-to-noise ratio (ASNR) for three representative noises.
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.
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。
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