利用频谱校正技术使频谱测试结果在准确性上得到了提高。
The spectrum testing results have higher accuracy by the technology of spectrum emendation.
在技术成熟阶段,雷神的干扰机将进行研发测试,以确保频谱精度、功率、反应速度和定向能力。
In the technology maturation phase, Raytheon's jammer will be developed and tested to ensure spectral precision, power, reactive speed and directivity.
不同于频谱分析仪,功率分析仪被优化成适用于高产量测试和带有非常大的动态功率测量范围。
Unlike a spectrum analyzer, an RF power analyzer is optimized for high-volume production testing and features a wide dynamic power measurement range.
提出了一种实用的应用于现有无线通信直放站的具有频谱检测、自激检测和隔离度测试功能的单元设计方案。
This paper proposes a practical plan for a unit with functions of spectrum monitoring, self-excitation detection and isolation degree test, which is suitable for current wireless relay station.
对于研发工作,频谱仪是不可缺少的,但对于生产测试,其测量能力远远超出了需要,造价也更高。
For development work, a spectrum analyzer is indispensable. But for production testing, it offers more measurement power (and expense) than needed.
频谱分析法的核心是FFT, FFT方法进行谐波分析会出现谱泄漏现象,影响失真度的测试精度。
The core of spectrum analytical method is FFT, which generally brings spectrum leakage in course of analysis, and affects the precision of distortion measurement.
传统的频谱分析仪功能单一、价格昂贵、使用不灵活,已不能满足现代测试信号的分析要求。
The analysis requirement that the traditional virtual spectrum analyzer which has unitary function and expensive price and has not flexible use can not already satisfy modern test signal.
分析表明倒频谱在识别边频及测试系统传递函数的影响方面具有显著的特点。
The analysis indicates that the inverse spectrum has a noticeable feature to distinguish the influence of the side frequency as well as the transfer function in measuring test system.
分析表明倒频谱在识别边频及测试系统传递函数的影响方面具有显著的特点。
The analysis indicates that the inverse spectrum has a noticeable feature to distinguish the influence of the side frequency and identify the transfer function of the testing system.
采用频谱分析法对桥梁进行动力测试,得出由于该桥预制横梁斜交角度不足,从而引起桥梁动力特性发生变化。
The construction elements of a bridge defects in dynamic testing, using spectrum analysis. Precast bridge beams by the lack of oblique angle, causing the bridge dynamic characteristics change.
最后给出了FPGA实现的数字下变频器在测试中产生的波形和频谱,作了测试结果分析。
At the end of this paper, waves and spectra generated by FPGA DDC during tests are given and test results are analyzed.
通过对CM OS存储器idd频谱图形测试过程的介绍,测试及试验数据证实CM OS存储器idd频谱图:形测试是可行的。
This paper introduced the realization procedure of IDD spectrum graphics. Test and experiment data proved that CMOS memory IDD spectrum graphics test is work.
熟练使用各种通用测试测量仪表,如频谱仪、信号源、示波器等。
Proficiency in the use of common test measuring instruments, such as frequency spectrum, signal source, oscilloscope, etc.
使用CVI软件设计了一种基于虚拟仪器的频谱分析仪,并将其运用于喷气织机振动传感器输出信号测试与分析中,建立了整个测试系统。
VI-based spectrum analysis instrument using CVI software is designed and it is used to test and analyze sensor output signal of jet loom vibration. The whole testing system is established.
使用CVI软件设计了一种基于虚拟仪器的频谱分析仪,并将其运用于喷气织机振动传感器输出信号测试与分析中,建立了整个测试系统。
A VI-based spectrum analysis instrument using CVI software is designed and it is used to test and analyze sensor output signal of jet loom vibration. The whole testing system is established.
本论文来源于“863”计划重点课题——“动态频谱资源共享技术评估与测试”。
This thesis comes from the National High-Technology Research and Development Program ("863"Program):The evaluation and testing of Dynamic Spectrum Sharing technology.
通过实验测试,频谱分析系统使用简便直观,只要接到信号源与示波器之间,即可观察信号的频谱。
The using of spectrum analyses system is easy and visual, after testing in lab. Only interfacing it between the signal and oscilloscope, then you can observe spectrum of signal.
能与实时频谱分析功能完美结合的测试仪表。
And real-time spectrum analysis function of the perfect combination of test instruments.
本文根据正态分布的规律,提出了对频谱分析仪参考电平测量结果扩展不确定度的一种估计方法,对其他计量测试项目的不确定度分析有一定参考价值。
According to the normal law, we put forward an estimate method of the measuring result uncertainty for Spectrum Analyser. It is useful for uncertainty analysis of other calibrations.
本文搭建了一个用于精确测试光学薄膜位相特性的色散式白光频谱干涉仪。
A dispersive white-light spectral interferometer for precise measurements of the phase properties of multilayer thin film structures is built.
仪器功能全面,完成了振动测试中通用的数据采集、频谱分析等功能,并添加了模态分析功能。
As far as the function of software is concerned, it completes most of general functions in vibration test, such as data acquisition, frequency spectrum analysis, and so on.
本文重点介绍了应用于一种相噪测试系统中的频谱估计及误差校正等数据处理方法,以及该系统相噪测试主机系统软件的研制。
This article is concentrated on data processing, mainly including spectrum estimation and error compensation, and system software developing which applied in a kind of phase noise measurement system.
本文就实际工程中遇到的信号频谱恶化问题提出了解决的方案,达到改善发射信号频谱的目的,并用实际的测试结果进行了验证。
This paper proposes a scheme to improve the quality of frequency spectrum of transmitted signals, and also validates the method by the actual test result.
系统的构成、对测试环境的要求、FFT在微型计算机上的实现,以及在实际工程中振动频谱分析的应用。
It Contains system construction, measurement environment requirement, FFT application in microcomputer, and spectrum analysis for vibrations in practical engineering.
泰克公司还致力于RFID测试需求的研究,将实时频谱分析仪应用于RFID测试,为RFID测试人员提供了非常方便的测试手段。
Also, Tektronix committed to the demand for RFID testing, and put real-time spectrum analyzer into the application of RFID testing, that provides a convenient means of RFID testing.
提出了易于在DSP以及QPSK的直接序列扩展频谱系统中实现的方法,并在测试中达到了较好的性能。
We put forward a method which can easily be realized in DSP and direct sequence spread-spectrum system based on QPSK, it achieved a good performance in tests.
惠普安捷伦4195a,网络频谱分析仪,是一种符合成本效益的解决方案,为开发和生产测试的模拟装置。
The HP Agilent 4195a, Network Spectrum Analyzer, is a cost effective solution for the development and production testing of analog devices.
在实验室内用频谱振幅比较法模拟测试了储集层岩石在高温高压下的弹性波振幅衰减值。
Attenuation of wave amplitude of reservoir rock at simulated high temperature and pressure is measured with spectrum-amplitude comparison mediod in laboratory.
对SQ 6450轻型汽车进行了噪声测试,通过对噪声信号的频谱分析和相干分析,找出了主噪声源,并提出了降噪措施。
In this paper the main noise source of SQ6450 type light car was judged by means of spectrum and correlation analysis of noise signal. The corresponding proposal reducing noise was presented.
本文通过混频器测试和吸波材料反射率测试两个实例,介绍了频谱分析仪在网络测试中的应用。
The paper introduces application of spectrum analyzer in network analysis with two examples-the mixer and the reflectivity of absorbtive material measuring systems.
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