As the core component of spectrum analyzer, the LO has a decisive bearing on the performance of the whole device.
本振作为频谱仪的核心部件，其性能的好坏对频谱仪的整机性能起着决定性作用。
For development work, a spectrum analyzer is indispensable. But for production testing, it offers more measurement power (and expense) than needed.
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。
A method of how to measure the signal 's phase noise by spectrum analyzer is introduced.
本文介绍利用频谱分析仪测量信号相位噪声的方法。
The thesis introduces the virtual spectrum analyzer system based on the IEEE488 interface card.
介绍了基于IEEE488接口卡的虚拟频谱仪系统。
The Agilent Technologies Inc. ESA-L1500A spectrum analyzer is a wide band, very sensitive receiver.
安捷伦科技公司的欧空局L 1500 A频谱分析仪是一种宽带，非常敏感的接收器。
This paper describes some methods, steps and attentions using a spectrum analyzer in phase noise measurement.
本文叙述了用频谱分析仪测量相位噪声的方法，步骤和应注意的问题。
The spectrum analyzer is a very important instrument in measuring and analyzing the signals in frequency domain.
频谱分析仪是对频域信号进行测量和分析的一种重要的测量仪器。
At last, correction method of low level signal measurement is discussed duo to effect of spectrum analyzer floor noise.
最后，讨论了频谱仪本地噪声对低电平信号测量影响的修正方法。
The microstructure of the brazed joint was analyzed by means of a scanning electron microscope and an energy spectrum analyzer.
用扫描电镜和能谱分析仪对钎焊接头的显微组织进行了分析。
The principles and experimental results of a frequency spectrum analyzer for all types of single transient processes are described in this paper.
本文叙述了一个适用于各种单次瞬态过程的频谱分析仪的工作原理和实验结果。
For the problem of the traditional manual calibration spectrum analyzer calibration need long time, low efficiency, easy to introduce human error.
针对传统手工校准频谱分析仪存在校准时间久、效率低、容易引入人为误差等问题。
After further investigating the theory of spectrum analyzer, the author proposes the application of spectrum analyzer to satellite communications.
文章从频谱分析仪的原理出发探讨了其作为测试仪器在卫星通信中的应用。
The first part includes zoom transform, cepstrum analysis, Hilbert transform, and the data transfer between the spectrum analyzer and the computer.
前一部分包括细化变换、倒谱技术、希尔伯特变换和谱分析器与计算机之间的数据传输。
The series spectrum analyzer in measuring speed, dynamic range, accuracy and resolution power, have established performance standards for similar priced products.
该系列在测量速度、动态范围、精度和功率分辨能力上，都为类似价位的产品建立了性能标准。
This article introduces the principle and method how to measure phase noise with spectrum analyzer, and discusses the uncertainty factor and its evaluating method.
对基于频谱分析仪的相位噪声测试原理和方法进行了介绍，并对引起测试系统不确定度的因素及其评定方法进行了讨论。
The paper introduces application of spectrum analyzer in network analysis with two examples-the mixer and the reflectivity of absorbtive material measuring systems.
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。
Virtual Instrument technology is used in the design of the general wave recorder, impact analyzer, spectrum analyzer, stable and transient signal analyzer and so on.
系统软件使用虚拟仪器技术，设计了通用数据记录仪、浪涌分析仪、频谱分析仪、稳态和瞬态信号分析仪等多种虚拟仪器。
This paper simply describes characteristic of MATLAB language, then especially introduces the emulation of oscilloscope and spectrum analyzer applying MATLAB language.
本文简单叙述了MATLAB语言的特点，并介绍了如何用MATLAB语言编写程序，实现示波器和频谱仪的仿真。
The frequency pseudocolor-coded speech spectrogram is then obtained by means of a sampling narrow slit placed at Fourier plane in white-light optical spectrum analyzer.
然后在白光光学频谱分析系统中，利用放置在傅里叶频谱面上的取样狭缝得到按频率假彩色编码的频谱图。
The method of impact excitation testing with Fast Fourier Transform (FFT) based on spectrum analyzer to determine the dynamic characteristics of a heald frame is introduced.
介绍了通过基于快速傅立叶变换（FFT）的谱分析确定综框的动态特性。
In this paper, a real time power spectrum analyzer of low frequency random signal based on digital filters is introduced, and a design method of real time arithmetic is given.
文中介绍了基于数字滤波的低频随机信号实时功率谱分析仪的实现方法，并给出了实时算法的设计要点。
Because of the complex operation and lots of the measuring items, traditional methods of measurement and calibration of spectrum analyzer are time-consuming and effort-consuming.
在对其进行计量和检定的过程中，由于操作复杂，需要测试的参数多，手动测试相当耗时耗力。
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.
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。
Spectrum of the amplitude-modulated wave is observed by a radio frequency spectrum analyzer and amplitude values of every spectrum are recorded at the upper sideband or lower sideband.
用射频频谱分析仪观测一个已调波的频谱成分，记录上边带或下边带中各条谱线的幅度值，从而可以根据有关算式计算出调制信号（音频信号）的失真度。
Error correct formulae of low signal to noise ratios measurement are derived on a spectrum analyzer, the experiment results are reported to verify the correctness of theory calculation.
导出了频谱仪测量低信噪比时的误差修正公式，并用实验结果验证了理论计算的正确性。
The design method is simple and feasible, which can be used as low-cost data acquisition module, or a little improvement as a simple digital oscilloscope or spectrum analyzer equipment.
本次的信号采集系统设计方法简便可行，可作为廉价的信号采集模块，或者稍加改进作为简易数字示波器。
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.
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。
From frequency field Angle the phenomenon of signal distortion is analyzed, and the principle of observing and measuring the micro-distortion of signal by using spectrum analyzer is explored.
从频域角度分析了信号失真现象，并探讨了频谱分析仪观测微小失真度的原理及若干问题。
From frequency field Angle the phenomenon of signal distortion is analyzed, and the principle of observing and measuring the micro-distortion of signal by using spectrum analyzer is explored.
从频域角度分析了信号失真现象，并探讨了频谱分析仪观测微小失真度的原理及若干问题。
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