A novel method of calibration and measurement of swept frequency dual six-port network analyzer is given by authors in this paper.
本文介绍了作者研究的一种新颖的扫频双六端口网络分析仪校准与测量技术。
Two calibration method programming ideas of piecewise linear and piecewise frequency are given which can improve the accuracy of detection of non-linear mini-two and partial resolution.
分别给出了分段线性化和分段变频率两种定标方法的编程思路,可提高非线性模拟量检测的精度和局部分辨率。
In this paper, a dynamic calibration method using a finite duration impulse excitation source is presented, which can be used to calibrate the frequency response of high-pressure transducers (HPT).
本文提出了用任意时限脉冲作激励源的一种动态校准方法,用于校准动压传感器的频响特性。
The properties of the seismometer are tested by calibration, such as its sensitivity, frequency response, linearity, noise, SNR, transversal effect, dynamic range and so on.
通过电动式标定和振动台标定对地震计的灵敏度、频率响应特性、线性度、横向效应、噪声特性和动态范围进行了测试。
Post stack cross equalization generally consists of time shift calibration, amplitude calibration, phase calibration, frequency calibration and waveform calibration.
叠后互均化处理通常包括时移校正、振幅校正、频带校正、相位校正和波形校正。
This edition of BS 5099 introduces a clause on calibration frequency, together with an associated annex on the procedure for checking the efficacy of the method of spark testing.
此版本的BS 5099在附件里增添了火花试机的校准周期以及校准的方法和程序。
During the radiometric calibration of the low frequency UWB SAR system, the scattering model of the calibrators should be regarded as the low frequency resonance scattering.
低频超宽带合成孔径雷达辐射定标过程中,定标体的散射特性表现为低频谐振散射特性。
The Taguchi method is studied to derive calibration formulae of frequency and amplitude modulation of digital signal generator in whole range in this paper.
文中在校准应用研究中采用田口方法,根据数字信号源的频率、调幅及调频试验典型值推导出全量程校准公式。
A low frequency vibrating standard apparatus is developed for calibration of low frequency vibrating sensor.
本文介绍了为校准低频振动传感器而研制的低频振动标准装置。
This paper introduces the method of clock calibration to VCXO in system, based on GPS and CPLD. It can solve the problem of frequency offset because of Crystal worse behavior in Long-term use.
本文还给出了基于GPS芯片和CPLD,对系统压控晶振时钟进行校准的实现方法,有效解决了由于长时间使用,晶振自身特性变化,造成的频率偏移现象。
Waveform distortion of super low frequency standard shaker is an important factor which influences the calibration precision.
波形失真度是影响超低频振动计量校准精度的重要因素。
A calibration technique based on LMS algorithm has been proposed to the question of antenna array channel mismatch independent of frequency.
本文针对天线阵通道之间与频率无关的恒定通道失配问题,提出了一种基于LMS算法的易于工程实现的通道校正技术。
In this paper the distortion of image collimating system is analyzed, and then an on-line self-calibration method with double-frequency laser length measuring result as length datum is presented.
通过对图像瞄准系统中的畸变分析,提出以激光长度测量值作为长度基准的成像系统在线自标定方法。
With the consideration of the characteristics of the low frequency UWB-SAR system, the radiometric calibration, polarimetric calibration and the motion status CAL.
本文充分考虑低频uwb - SAR系统的特点,从辐射校准,极化校准和运动状态校准等方面展开深入的研究。
Based on the principle of micro frequency changing phase shift, a new approach for RF phase calibration is proposed.
根据微差变频移相原理,提出了一种射频相位校准的新方法。
Firstly, with the consideration of the frequency and aspect Angle dependent parameters of the low frequency UWB-SAR, the radar equation for calibration is proposed.
首先充分考虑了系统参量的频率和方位角特性,提出了适合低频uwb -SAR校准的雷达方程。
According to wavelet analysis theory, a signal picking up algorithm based on wavelet analysis is proposed to solve problem of passive CNS initial frequency calibration.
根据小波分析理论,针对无源北斗导航定位系统初始校频问题,提出了一种基于小波分析的信号特征提取算法。
Many dynamic calibration apparatus in the frequency domain can not give the phase-frequency response of the tested system.
许多频率域动态校准装置只能给出被校系统的幅频特性,缺乏相频特性。
The polarimetric calibration methods for low frequency UWB-SAR are studied in chapter 4. Firstly, polarimetric electromagnetic scattering characteristics of the calibrators are studied.
第四章研究了低频UWB-SAR系统的极化校准问题。首先研究了定标体的多极化电磁散射特性。
The calibration of four-terminal-pair(4TP) impedance meters at their working frequencies requires the knowledge of 4TP standard capacitor frequency characteristic.
对四端对阻抗测量仪在其使用频段内进行校准,须确定四端对标准电容器的频率特性。
The radiometric calibration methods of low frequency UWB-SAR are studied in chapter 3.
第三章研究了低频uwb - SAR系统的辐射校准问题。
On the receiving end, mainly studies the key technologies of Calibration frequency difference, Synchronization and adaptive equalization, of which adaptive equalization has been emphasized the most.
在接收端主要研究了频差校准、位同步和均衡等关键技术,其中重点放在了均衡技术上。
On the receiving end, mainly studies the key technologies of Calibration frequency difference, Synchronization and adaptive equalization, of which adaptive equalization has been emphasized the most.
在接收端主要研究了频差校准、位同步和均衡等关键技术,其中重点放在了均衡技术上。
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