(收音机发出的)报时信号 The time signal is the series of high-pitched sounds that are broadcast at certain times on the radio, for example at exactly one o'clock or exactly six o'clock.
The system as a whole has a quantized concept of time: Time begins at1 and increments every time signals propagate from one layer to the next. 系统作为总体上拥有一个量子化的时间概念:时间从1开始,并且当信号从某层传递到下一层时便会增加1。
However, if you know that the program cannot possibly use the stream that the handler uses at a time when signals can arrive, you are safe. 不过,如果您知道当信号可能到达时,程序不可能使用处理器那个时刻所使用的流,那么就是安全的。
Our experiments indicate for the first time that signals from the opposite sex that are important for mate choice also affect accuracy in women's memory. 我们的实验第一次显示,异性释放的信号不仅在配偶选择方面产生重要影响,还有影响女性记忆力的准确性。
Since its establishment, the time-keeping system of NTSC has greatly satisfied the broadcast of time signals of long and short-wave standard time service system. 多年来,NTSC的守时系统以完美的表现满足了国家大科学装置&长、短波授时系统的发播控制任务的要求。
Line judge, singal please. international time signals 司线员,请打信号。国际无线电对时信号
Being the most unique building within the Compound, the Signal Tower was constructed to provide time signals to ships in the harbour. 报时塔可谓整座水警总部最具特色之建筑,为海港船只报时。
At the time radio signals could travel only a few kilometres, and only one receiver and transmitter could operate in any one area. 当时,电波信号的传输距离只有几公里,在任意一个地点,也只能运行一台可接收机和一台发报机。
In the control system of sampling, signal to be dealt with is the pulse sequence after sampling from the continuous time signals. 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。
A new model of nonlinear denoise is proposed and applied in the detection of chaotic time series signals. 建立了非线性降噪模型,并且应用此模型进行混沌时间序列信号检测。
The measurement of time signals in flight time readout ( TOF) electronics of the third modification project of Beijing Spectrometer ( BESIII) is very difficult according to the very high-resolution request, so we need to strictly test the design of the circuit for time measurement. 北京谱仪(BESIII)的飞行时间读出电子学(TOF)对于时间信号的测量具有非常高的要求,需要对TOF时间测量电路进行严格的测试。
Low pressure multi-wire proportional chamber ( LPMWPC) provides excellent position and time signals for the radioactive beam induced reactions. 低压多丝正比室为放射性束核反应的靶前粒子提供位置和时间信号。
In addition, the precision for determining the time delay difference of CCTV time signals between the direct reception and the indirect reception ( the signals re-relayed by a local TV station) is 0. 1 μ s. 同时测量了地方电视台转播亚太-1A的CCTV信号与直接接收亚太-1A的CCTV信号的时延差值,其测量精度为0.1μs。
Based on Heisenberg's Uncertainty Principle, wavelet transform solves the difficulty of analyzing the local time signals and develops the method of analyzing signals. It has become one of main methods of analyzing signals. 小波变换基于海森堡测不准原理解决了局部时间信号分析的难题,发展了信号分析的方法,成为了当代信号分析的主要工具之一。
The signals of the impact stress wave in time domain were transformed into momentary sequential time signals using Hilbert transform. 冲击样本的应力波信号经Hilbert变换变为连续的瞬态时序信号后,提取时间和峰值等特征信息训练BP神经网络。
We proposed a scheme that processes the discrete time signals by two-pass filter and digital integrator. 提出了信号经双通滤波后再使用数字积分器进行积分的方案。
Extrapolation algorithm of FDTD late time signals and its programming FDTD后时间步信号的外推与实现
A Z-80 CPU single-board microcomputer is integrated therein to generate time signals with CTC interruption. 本装置采用Z80CPU单板微型计算机组成系统,利用CTC中断,产生时标信号。
To get the spectrum of continuous-time signals, high speed A/ D card of PCI-9812 is used for sampling, discrete-Fourier-transform is used for the spectrum analysis. 为得到连续时间信号的频谱特征,采用高速A/D卡PCI-9812对其进行采样,再运用离散傅立叶变换进行频谱分析。
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。
An efficient time signals prediction method combined with two-dimensional finite difference time domain ( 2D-FDTD) method has been proposed for the performance parameters computation of uniform microwave transmission lines. 本文将一种时间序列预测方法与二维时域有限差分(FDTD)法相结合,并应用于均匀微波平面传输线的特性参数计算。
People begin to realize the importance of transmitting time signals and other information in the vertical blanking interval of television signal. 在电视信号的场逆程期间传送电视图文信号及逆程钟信号,得到越来越多的重视。
High precision quartz oscillators were used for the transmission of BPV standard frequency and time signals at Shanghai Observatory. 在上海天文台BPV标频和时间信号的发播工作中,使用了高精度石英晶体振荡器。
Tbe Estimation of Power Spectrum for Short Time Signals with Less Numbers of Sample 小采样数的短时信号功率谱估值
Fixed time signals analysis of linear system with constant parameters 线性定常系统的时间信号分析
Convolution of Continuous-time Signals Using MATLAB 用MATLAB计算连续时间信号的卷积
On the method of calculation of the joint corrections of radio time signals 关于综合时号改正数的订定方法
The network measurement and control system for virtual instrument is applied in the measurement and control system of abrasive belt grinding parameters, the real time signals on grinding parameters can be displayed, analyzed and disposed through PXI controller. 将虚拟仪器的网络化测控系统用于砂带磨削参数测量和控制,它将实时采集的磨削参数,经PXI系统控制器显示、分析、处理。
The stability of switched systems under average dwell time switching signals is obtained. 获得了系统在平均驻留时间切换下的稳定性。
In the pattern classification stage, Hidden Markov Model which is very suitable for modeling the time signals is used in the experiments. 模式分类阶段,本文采用非常适合时序信号建模的隐马尔可夫模型进行分类实验。