频谱分析仪，是一种较昂贵的测试测量设备。主要用于射频和微波信号的频域分析，包括测量信号的功率，频率，失真产物等等。
... frequency selector 选频器 frequency spectrograph 频谱仪 frequency-sweep generator 扫描频率发生器 ...
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... audiofrequency choke 声频扼流圈 audiofrequency spectrometer 频谱仪 Audiofrequency electrotherapy 等幅正弦中频电疗法 ...
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声频频谱仪 audio-frequency spectrometer ; frequency spectrometer
中子频谱仪 neutron spectrometer
无线电频谱仪 radiospectrograph
零场顺磁共振频谱仪 zero-field paramagnetic resonance spectrometer
数字频谱仪 digital spectrometer
中等分辨率成像频谱仪 MERIS
吸收频谱仪 absorption spectrometer
射电频谱仪 [天] radio spectrograph
声频谱仪 [声] acoustic spectrograph ; audio frequency spectrometer
These Days, with the gradual perfection of Spectrum Analyzer, phase noise measurement in frequency domain has played an important role in the measurement of short term frequency stability.
近年来因为频谱仪日臻完善,频域相位噪声的测量技术在频率短稳测量方面已占主要地位。
参考来源 - 基于等效鉴相频率的相位噪声测量系统的研究The principle of spectrogram analysis, hardware structure and software design of the digital voice signal spectrometer based on TMS320C50 is introduced in this paper.
介绍了信号频谱分析的原理及智能语音信号频谱仪的硬件结构和软件设计。
参考来源 - 基于TMS320C50的语音频谱分析仪·2,447,543篇论文数据，部分数据来源于NoteExpress
介绍了基于IEEE488接口卡的虚拟频谱仪系统。
The thesis introduces the virtual spectrum analyzer system based on the IEEE488 interface card.
介绍了用零中频技术将扫频仪改造成频谱仪的一种方法。
This paper presents a new method for Sweep Oscillator transform to the Spectrum Analyzer by Zero-IF technique.
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。
At last, correction method of low level signal measurement is discussed duo to effect of spectrum analyzer floor noise.
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