A method of Group Delay measurement in Digital Radio System has been introduced in this article.
本文介绍了一种数字微波通信系统的群时延测量方法。
Finally, the algorithm proves effective by analyzing an actual network delay measurement result.
并针对一个实际的网络时延测量结果进行了分析,验证了该算法的有效性。
And the clock synchronization optimization algorithm which improves the accuracy of one-way network delay measurement is deduced based on the optimizing goal.
该文根据优化目标推导了时钟同步优化算法,从而提高单向网络时延测量的精确性。
However, in active network delay measurements, such as for computational considerations, the current measurement techniques are not considered the above-mentioned factors.
但在网络时延主动测量中,出于计算方便等方面的考虑,现有测量技术大多没有考虑上述几个因素的影响。
Since the measurement initiation is controlled by the leading slope of the pulse, part of the pulse is lost and the resulting spectrum is distorted unless some pretrigger delay is specified.
因为测量的引发是由脉冲的前导沿控制的,除非设置一定的预触发延迟,否则会丢失部分脉冲、造成频谱失真。
The time needed to reach the steady value, or the settling time, can be used to determine the proper delay time for the measurement.
达到稳定值所需的时间,或者说是稳定时间,可被用来确定合适的测量延迟时间。
Initial value measurement of antenna delay is very important in range system.
在测距系统中,天线时延初值的测量是很重要的。
The method augments the measurement delay as a state of conventional Kalman filter as a state, and impacts on both velocity and attitude measurements owing to the time delay are also considered.
该方法将主惯导数据测量延迟时间扩展为卡尔曼滤波器的一个状态变量,并同时考虑了测量延迟时间对速度和姿态测量量的影响。
Flexible setup of measurement time, number of data points for each measurement and delay time after flash trigger.
非常灵活地设置测量时间和每次测量数据点的数目及闪光触发后的延迟时间。
The spectrum division technique was used for establishing signal model of delay time measurement, and amplitude frequency characteristics of the signal after spectrum division was investigated.
利用频谱相除技术构建了延迟时间测量的信号模型,研究了频谱相除后信号的幅频特性。
Through the practical measurements of two types of fixed delay line and a tapped delay line, some procedures for increasing measurement precisiOn are obtained.
对两种固定延迟线及轴头延迟进行了具体测试,总结出了一些提高测试精度的方法。
Measurement of the delay between key presses.
测量按键之间的延迟。
The effect of pulse signal dispersion on the measurement of LF time signal delay and field strength is described under certain conditions.
说明在—定的条件下脉冲色散对信号时延和场强测量的影响。
And we modify the SIP transaction period to decrease the handoff delay and increase precision of measurement.
对SIP事务周期的修改大幅度减小了切换延时和提高了测量精度。
A new magnetic field measurement based on the Faraday effect and the measurement of differential group delay (DGD) in fiber grating was proposed.
提出了一种利用光纤光栅中法拉第效应和测量差分群时延(DGD)的直接测量磁感应强度的新方法,给出了理论分析和实验结果。
Analysis of network performance measurement is implemented with researching parameters such as connection, delay, packet loss ratio, bandwidth, flux etc.
该网络性能参数分析通过对连接性、延迟、丢包率、带宽、流量参数等方面的研究实现。
The various courses of how the delay comes into being and the methods of how to correct it rightly in different approaches and conditions of measurement were discussed.
分析了不同测量方式和状态下引进延时的情况;给出正确的修正方法;
To achieve those two goals, the following 3 technical problems have to be solved using available measurement and control parameters: 1. Respond delay of air measurement instrument.
为了满足上述两个目标就必须利用可以测量到的信号和控制参数解决如下三个技术难题:1。空气测量装置的响应滞后;
The uncertainty of evaluation results of delay between channels of linear measurement system by using the least mean square four-parameter sine-wave curve-fit method is described.
介绍了用正弦波拟合法评价测量系统通道间延迟时间差不确定度的分析和评定过程。
Network time-delay simulator with FPGA as the core was designed according to the needs of doing network measurement within laboratory area in this paper.
本文针对在实验室范围内进行网络测量的需要,设计了以FPGA为核心的网络延时模拟器。
Because using the delay line to construct coder, the sensor array can realize large scale measurement.
该传感阵列系统利用不同延迟线构成编码器,可实现大规模的传感器构造。
Based on the MFMM (Mixed Finite Mixture Models), this paper proposes a method that can estimate internal link delay distributions along a single measurement path from end-to-end measurements.
在MFMM模型的基础上提出了一种方法,能够只根据测得的端-端的时延数据,推测单一测量路径上各链路的时延密度函数。
The method of delay chain interpolation is commonly applied in high accuracy time interval measurement, which has the advantages of simplicity and is easy for on chip implementation.
延迟线内插法是一种常用的时间间隔高精度测量方法,具有结构简单、便于片上实现的特点。
By the way of quantifying delay time, an accurate short time interval measurement method can be completed.
根据量化时延原理的短时间间隔精确测量方法,在时频测量领域有着广泛的用途。
The timer can perform functions like frequency measurement, event counting, interval measurement, clock generation, delay timing, and so on.
计时器可以履行功能,如频率测量,事务计数,间隔测量,时钟产生器,延迟时候等。
And then the paper gave the filtering algorithms for solving the problem of in-coordinate interval and measurement delay.
然后在此基础上,提出了采用非等间隔并解决滞后的滤波算法以解决上述问题。
And based on the in-coordinate interval kalman filtering algorithms, the paper gave the scheme of solving the measurement delay.
同时,在该非等间隔卡尔曼滤波算法的基础上,提出了解决量测滞后的方案。
Precisely estimated time delay of acoustic wave signal is very important to implementing the most accurately measurement of temperature using acoustical method in the strong noise environment.
声波信号时延的准确估计是实现强噪声环境下声学法高精度测温的关键。
The MCU is used for the center controller, achieving high accuracy frequency measurement by methods of multi-cycle synchronism and quantization time-delay.
提出了一种高精度频率测量系统的设计方法,应用单片机技术将多周期同步法和量化时延法相结合,实现了频率的高精度快速测量。
At a low steel rolling speed, the traditional AGC feedback control is not very good due to a long time delay caused by the thickness measurement.
在低速轧钢时,由于测厚仪测量值的长时间滞后,传统的后馈控制效果不好。
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