A method for measuring the dynamic frequency characteristics of a system with 8031 single chip microcomputer was presented, the circuit diagram was given and the software designing was introduced.
提出了用8031单片机及相应接口电路来完成系统动态频率特性测试的方法,给出了硬件的电路原理图,介绍了软件设计。
A method for direct measuring the frequency of a free electron laser using AC Josephson effect is presented.
提出一种利用交流约瑟夫森效应直接测量自由电子激光频率的方法。
Measurement for rotative velocity of full-closed compressor by the method of measuring vibration frequency is discussed.
讨论了用测量振动频率的方法对全封闭式压缩机进行转速的测量。
This article introduces the method of humidity control used with Philips humidity-sensitive capacitance sensor, and the basic principle, measuring circle, work frequency, response time etc.
本文介绍了飞利浦湿敏电容传感器进行湿度控制的方法,包括它的基本原理、测量电路、工作频率、响应时间和滞后现象。
The circuit and method for obtaining equal measuring accuracy and response speed in a wider frequency signal range are discussed in this paper.
本文探求在较大的被测频率信号范围内获得相同的测量精度与响应速度的测量方法及电路。
Based on the engineering practice, the composition, function and design of baseband equipment are explained detailedly, a method for measuring the time delay and frequency is introduced.
结合工程实践,从综合基带的设备组成、功能、设计上进行了详细阐述,并介绍了一种时延测量和频率测量的方法。
Reverse-spread spectrum device, time sequence inspection device, channel evaluation device and method for measuring frequency faults.
逆扩频装置,时序检测装置,信道估计装置和频率误差测量方法。
This paper presents a detailed discussion of the method for measuring low frequency noise in operational amplifier devices as well as an analysis of some key problems in the measuring process.
本文中详细给出了运放器件低频噪声的测试方法并对测试过程中的若干关键问题进行了深入剖析。
The compute method and error analysis of intersection frequency as well as the measuring principle and designing concept of hardware and software of two methods via single-chip computer are focused.
重点介绍了交点频率的计算方法和误差分析,提供了用单片机实现这两种方法的测量原理和硬软件设计思路。
The common method of measuring a power system operating frequency is easily affected by the noise and harmonics.
常规的测量电源系统工作频率的方法易受噪声和谐波的影响。
Methods the sound level and frequency were measured according to the corresponding health criterion and measuring method at big production equipment, crush room, control room and workshop.
方法是根据有关卫生标准及检测方法对生产设备、休息室、控制室等作业场所进行声强和频谱的测量。
A wetness measurement system based on cavity perturbation method is designed for precise measuring, including automatic frequency tracing system and equal precision frequency measurement system.
以汽轮机内蒸汽湿度的准确测量为目的,设计了基于微波谐振腔微扰法的蒸汽湿度测量系统:自动频率跟踪系统和等精度频率测量系统。
A method of measuring TD-SCDMA signal frequency error based on virtual instrument is proposed.
提出了一种基于虚拟仪器的精确测量TD - SCDMA信号频率误差的方法,并给出了系统设计。
When traditional method is used for measurement at low frequency range, measuring precision can not be guaranteed and measuring is time-consuming.
传统的频率特性测量方法,在低频时,测量精度较差,且非常费时。
Aiming at the shortage of traditional method of measuring power frequency parameters of overhead transmission lines, measurement of power frequency parameters by non power frequency is put forward.
为了解决输电线路在高感应信号下,准确方便地测量线路的工频参数,针对架空输电线路工频参数传统测量方法的不足,提出了异频法测量线路工频参数。
The filter processes input discrete sampling signal to recover continuous signal and suppress harmonic noise, and the zero-crossing frequency measuring method is improved.
该滤波器通过处理输入离散采样信号获得连续信号并抑制谐波噪声,改进了过零测频方法。
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。
The measuring method of the frequency characteristic of harmonic losses in convertor transformers is presented. The measuring results in a convertor transformer are given and are analyzed.
介绍了一种实际测量换流变压器谐波损耗频率特性的方法,给出了在一台换流变压器上的实际测量结果。
This paper presented a novel motion-blur-based method for measuring the amplitude of high-frequency vibration.
介绍了一种新的根据图像的运动模糊信息测量高频振动振幅的方法。
After measuring the transfer characteristic of the PT, the wide frequency model of the PT can be set up with the synthesis method.
当PT的传输特性被测量后,就可以利用该综合方法建立该PT的宽频传输模型。
The method of measuring absolute distance with the optical frequency comb of a femtosecond laser was proposed.
提出使用飞秒激光器的光学频率梳测量绝对距离的方法。
Cable force is important in cable-stayed bridge 's design and construction. The method of measuring frequency of its own to estimate cable force is widely used in bridge engineering.
索力是斜拉桥设计和施工的重要依据,根据测得的固有频率估算索力的频率法在桥梁工程中广泛应用。
A method for measuring the phase characteristics of ultrahigh frequency modulating light by optical phase shift is proposed. It has the properties of high precision and strong practicability.
提出采用光学移相办法测量超高频调制光相位特性的一种方法。它具有精度高、实用性强等特点。
A method for measuring the phase characteristics of ultrahigh frequency modulating light by optical phase shift is proposed.
提出采用光学移相办法测量超高频调制光相位特性的一种方法。
Position measuring instrument and method, navigation instrument and method, information service and audio-frequency information transmit-receive method.
位置测量仪器和方法,导航仪器和方法,信息服务及声频信息收发方法。
When frequency sweeping method being used properly for measuring amplitude-frequency characteristics, the analysis and estimation of errors in measurement results could be avoided.
正确使用扫频法测量幅频特性,可以避免大量测量结果中误差的分析与估算。
This paper introduces the principle and tested results of measuring nodulizing grade by audio frequency method.
介绍了音频法检测铸件球化级别的原理及试验结果。
For testing daily frequency drift of rubidium frequency standard, this paper used the method of time difference, designed daily frequency drift measuring equipment for rubidium frequency standard.
针对铷频标日频率漂移率的指标测试要求,文中采用时差法,设计了铷频标日频率漂移率测量装置。
This paper mainly studies the measuring method for the thickness of plating layer ofthe eddy-current sensor in the case of the multi-frequency and multi-parameters.
主要研究了电涡流传感器在多频率多参数下镀层厚度的测量方法。
This paper mainly studies the measuring method for the thickness of plating layer ofthe eddy-current sensor in the case of the multi-frequency and multi-parameters.
主要研究了电涡流传感器在多频率多参数下镀层厚度的测量方法。
应用推荐