reference time

This paper researches the adaptive control system of discrete time reference model of input saturation character.

就输入存在饱和特性的离散时间参考模型自适应控制系统进行了探讨。

This paper analyses the daily data of pollutant concentration and meteorological data of Taiyuan in 2003, ex-pounds the relationship among space and time changes of pollutant concentration, pollutant concentration and meteorological conditions, refers reference for lightening and preventing air pollution.

对2003年太原市污染物浓度逐日数据和气象资料进行了分析，阐述了污染物浓度的时空变化和污染物浓度与气象条件的关系，为减轻和防止大气污染提供了参考。

In the framework of general relativity, the definitions and transform methods about basic space time reference are studied, definitions of coordinate time reference and space coordinate reference are presented. 3.

在广义相对论框架下，研究了基本时空参考系BCRS和GCRS的定义及转换方法，给出了坐标时参考系和空间坐标参考系的定义。

The problem of datum about combined algorithms is studied in detail, the coordinate reference datum of basic space time reference system is analyzed, some algebraic constraints used to define the reference datum are studied in detail. 4.

研究了联合解算中的基准问题，分析了基本时空参考系的坐标参考基准，系统研究了定义参考基准的代数约束。

Past tense System that occurred during the past time reference point total at a time before the reference point is usually the time to speak of the time.

过去时制表示事件发生的时间总在某一时间参照点之前，这一时间参照点通常为说话的时间。

Roberts gradient processing is carried out for the input image of joint transform correlator, and at the same time phase shift technique is applied to the reference image and binaryzation is implemented in power spectrum in the frequency domain.

我们对联合变换相关器的输入图象进行Roberts梯度处理，同时对参考图象采取相移技术，并在频域中将功率谱二值化。

The contradiction was settled by adopting the control structure of MCU+ CPLD and the high-speed data acquisition controller and the time reference mark demarcation module were designed with CPLD.

为了解决上述矛盾笔者采用了MCU+CPLD控制结构，用CPLD设计了高速数据采集控制器和时标标定模块解决上述问题。

A 100 MHz 8-channel programmable time mark pulse generator is described. The delay of the time marks relative to the reference time can be changed by means of software.

本文介绍一种100MHz8通道程控时标脉冲产生器，它利用软件方法来改变各路时标对时间基准的延迟，调节灵活方便。

Its physics signification is that geometric parameter varies with reference time proportionately.

其物理意义是几何参数相对于参考时间成比例变化。

By analyzing the reference time bell was found at all stages, bell stage of extensor strength to relatively slow, and the performance of force in the lower stages of the time more power.

通过分析提铃各阶段时间比发现，伸膝提铃阶段用力相对较慢，而发力阶段表现为在较低的时间内完成更多的功。

These signals provide an important reference of the gain of antenna, the time reference, the phase reference and the frequency of carrier wave for generating stimulant echo signal.

这些信号分别为模拟回波信号的生成提供了天线增益大小、时间基准、相位基准和载波频率大小等重要的参考信息。

The reference vector corresponding to basic vector and its role time under linear modulation mode is decided. As well as redundant switches are optimization selected by extreme value method to reduce the switching frequency.

确定了线性调制模式下参考矢量所对应的基本矢量及其作用时间；并提出了极值法对冗余开关状态进行优化选择以降低开关频率。

Testing the multi-function watt-hour meter needs time reference, This paper introduces how to use the GPS OEM receiver as the time reference in the calibration system to realize the test of multi-function watt-hour meter.

多功能电能表的检定需要时间标准，本文介绍采用GPS OEM板作为时钟标准，嵌入多功能电能表的测试系统，以实现对多功能电能表检定的设计思路和方法。