We should choose the suitable sweep signal and good test method to improve the precision and accuracy of frequency. 为提高扫描过程中频率的精度和准确度需要选择合适的扫描信号和检测方法。
The corresponding frequency of the key parts of the poplar particle presswood pallet at maximal transmissibility was determined by frequency sweep test. 采用扫频试验得出振动台对托盘关键部位最大传递率所对应的频率。
The linear sweep voltammetry is used to confirm the deposition potentials and test the process of deposition. 利用线性伏安法考察了电沉积溶液的电化学性质,确定合适的沉积电位,并记录电沉积过程的伏安特性。
The test method of RF impedance of bonding strap based on the sweep frequency/ T type insertion loss principle is analyzed. The test method is modified by canceling the distributed inductance between the bonding strap under test and the bottom plane. 对搭接条射频阻抗的扫频/T形分流器插入损耗法测试方法进行了理论分析,提出了抵消搭接条和测试装置之间分布电感的测试方案。
A Sweep Method of Measuring and Parameters Test of Microwave Oscillators 一种扫频调试与测量微波振荡器的方法
The sine sweep method that make use of the sine sweep test measure the responds curve of the equipment and identify the dangerous frequency; 正弦扫频法以正弦扫频试验为基础,测量设备的响应曲线以识别危险频率;
Scalar network analyzer is a kind of intelligent instrument based on frequency sweep test technology that used to measure the amplitude-frequent cy characteristic of linear system. 标量网络分析仪是一种基于扫频测量技术,用于测量线性系统幅频特性的智能化仪器。
In this paper several dynamic testing methods of electrohydraulic servo systems are introduced, including stochastic noise test, hammering test and sweep frequency test. 本文介绍电液伺服系统的几种动态测试方法,包括随机噪声测试,锤击法测试和扫频测试。
White noise sweep test shows that the effect of clearance and contact constraint between tube and antivibration bar is insignificant, the global fundamental frequency component is absolutely dominant, and the higher frequency components only affect the local vibration in different locations. 白噪音扫描表明,间隙和管子与防震杆间的接触约束效应不明显,整体基频分量占绝对优势,较高的频率分量仅影响不同部位处的局部振动。
Frequency sweep generator is short for frequency characteristic test instrument. 扫频仪是频率特性测试仪的简称。
The system determined the length of output waveform and data sampling frequency, referring to different testing bandwidth and precision, then completed the automatic sweep test. 系统对于不同的测量带宽与精度等要求,确定发射信号的长度和数据采样频率,完成自动扫频测量。
According to the sweep frequency test method, we fix on the overall framework of the test module. 设计中根据扫频测试法的原理确定了测试模块的整体框架。
Sinusoidal sweep signal generating methods are discussed, two kinds of suitable methods used for earthquake simulation test are proposed. 3. 通过分析对比,探讨了正弦扫频信号的生成方法,得到了两种适合地震模拟实验输入的实用方法。