文中给出了长线“频域测试法”的理论分析和测试实例。
Besides the theory of test means frequency domain, a test example is illustrated in the text.
论文不仅给出了频域测试结果图还给出了时域测试图,并对两种测试方式的优势和原理进行了介绍。
This paper not only gives the test results of frequency-domain but also gives the test patterns of time-domain, and introduces the advantage and principle of the two test methods.
前一种方法是利用信号在频域的能量分布特征识别目标,实际测试取得约83%的平均识别率。
The preceding method is uses the signal in the frequency range energy distribution trick recognition goal, the actual test obtains approximately 83% average recognition rate.
本文主要论述大型洞库爆炸试验中,现场测试得到的距爆心不同距离上地震波的特点,地震图的正确解释以及波形在频域内的特性。
In this paper, characteristics of seismic waves in different distances from center of explosion are obtained in situ measurement in the experiment of large-scaled chamber's store.
本文结合恒力磨削的研究,基于遗传算法提出了一种可自动地确定测试信号频域特征参数频率计算范围的方法。
In study of constant force grinding, a calculation method, which could calculate frequency range of frequency feature parameter automatically, is presented based on generic algorithm in this paper.
调制域分析已经成为现代测试技术不可或缺的部分,在显现频率变化信号时优于时域测量和频域测量。
Modulation domain analysis has become an important part for modern measurement technology. It is better than time domain and frequency domain measurement when indicating frequency variable signal.
设计制作了直接电流注入异型测试装置,并对装置的时域、频域特性进行了测定。
The testing device of direct current injection is manufactured and tested in space-time and frequency.
通过对测试数据在时域和频域上的分析,得到了人体振动环境的特征。
Through analyzing the data obtained in time and frequency domains, the characteristics of the vibration environment for a wearable computer are figured out.
该系统能对输入信号的频谱进行分析,实时输出连续波频谱或脉冲波的时域频域信息,并已测试成功。
The system which is test successfully can analysis the frequency spectrum of input signal and export spectrum of the continuous wave or the information in the frequency-time of the pulse.
通过频域和时域分析,指出阶跃信号和伪随机信号是一类既有差别又有内在联系的测试信号。
By analyzing time and frequency domain response we found out that they have some internal connections with each other, although the test signals are different.
频域分析借助于快速富里叶变换分析(FFTA)过程,并用由计算机生成的数学模型进行测试。
The frequency-domain analysis is accomplished by fast-Fourier transform analysis(FFTA)procedures and tested with a computergenerated mathematical model.
激光多普勒测振技术具有在频域上对微结构瞬态运动进行分析的优点。是时域上周期运动测试的重要补充。
Laser Doppler vibrator has an advantage of analyzing the motion in frequency domain, and it is the complementarity of measuring periodic motion in time domain.
本文给出测试系统原理图、脉间频率和相位稳定度测量方法以及时域、频域测量结果。
This paper gives the principle diagrams of the measurement system and some methods of measuring the stability of inter pulse frequency and phase. The measurement results in time...
本文给出测试系统原理图、脉间频率和相位稳定度测量方法以及时域、频域测量结果。
This paper gives the principle diagrams of the measurement system and some methods of measuring the stability of inter pulse frequency and phase. The measurement results in time...
应用推荐