FSP-38 9kHz至40GHz频谱分析仪
罗德与施瓦茨公司的FSP-38频谱分析仪是一种宽带，非常灵敏的接收器。它基于“超外差接收机”的原理工作，该接收机可以将较高的频率（通常高达数十GHz）转换为可测量的数量。接收到的频谱缓慢扫过一系列预选频率，将所选频率转换为可测量的DC电平（通常为对数刻度），并在Rohde＆Schwarz，Inc. FSP-38的CRT上显示频谱。 CRT显示相对于频率（x轴）的接收信号强度（y轴）。
罗德与施瓦茨公司（Rohde＆Schwarz，Inc.）FSP-38频谱分析仪的某些应用包括站点监视：验证发射机频率和信号强度的准确性。干扰：安装系统之前，请使用Rohde＆Schwarz，Inc. FSP-38频谱分析仪来验证未使用（计划的）频率，或者是否有强信号干扰新设置。干扰可能是由许多不同情况引起的。利用Rohde＆Schwarz，Inc. FSP-38频谱分析仪功能的其他测试包括天线隔离，同信道干扰，相邻信道功率，占用带宽，互调，微波或卫星天线对准以及组件表征。
FSP-38 9kHz to 40GHz Spectrum Analyzer
The Rohde & Schwarz, Inc. FSP-38 spectrum analyzer is a wide band, very sensitive receiver. It works on the principle of "super-heterodyne receiver" to convert higher frequencies (normally ranging up to several 10s of GHz) to measurable quantities. The received frequency spectrum is slowly swept through a range of pre-selected frequencies, converting the selected frequency to a measurable DC level (usually logarithmic scale), and displaying the same on the CRT of the Rohde & Schwarz, Inc. FSP-38. The CRT displays received signal strength (y-axis) against frequency ( x-axis).
Some applications for Rohde & Schwarz, Inc. FSP-38 Spectrum Analyzers include Site Monitoring: Verify that the frequency and signal strength of your transmitter is accurate. Interference: Before a system is installed you use a Rohde & Schwarz, Inc. FSP-38 spectrum analyzer to verify that the frequencies (you plan to use) are not occupied or if the presence of a very strong signal will interfere with your new setup. Interference can be created by a number of different situations. Other tests that utilize the Rohde & Schwarz, Inc. FSP-38 spectrum analyzer features include antenna isolation, co-channel interference, adjacent channel power, occupied bandwidth, intermodulation, microwave or satellite antenna alignment, and characterization of components.
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