Clues for the formation of filaments, when a perturbed high intensity laser beam travels inside the nonlinear Kerr medium, has been suggested by using the spatial spectral analysis method.
采用空间频谱分析法探讨了在非线性介质中传输的受调制的高功率激光束形成高亮度细丝的可能性。
Sweeptime-bandwidth relationship in the spectrum analyzer;
频谱分析仪中扫描时间和相关参数的解析
Design of IF bandwidth for spectrum analyzer;
频谱分析仪中频带宽的设计
Study of auto verification/calibration system for spectrum analyzer;
频谱分析仪自动检定/校准系统的研究
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。
swept IF type spectrum analyzer
扫中频式频谱分析仪
high resolution low frequency spectrum analyzer
高分辨率低频谱分析仪
micro wave all-pictrue frequency spectrum analyzer
微波全景频谱分析仪
microwave pulse spectrum analyzer
微波脉冲频谱分析仪
three-dimensional dynamic spectrum analyser
三维动态频谱分析仪
swept front end type spectrum analyzer
扫前端式频谱分析仪
real-time digital spectral analyzer
实时数字频谱分析仪
real-time all-digital spectrum analyzer
实时全数字频谱分析仪
high resolution LF frequency spectrum analyzer
高分辨率低频频谱分析仪
Design of Real-time Spectrum Analyzer Based on Virtual Instrument
基于虚拟仪器的实时频谱分析仪设计
double-channel digital low-frequency spectrum analyzer
双通道数字式低频频谱分析仪
The Circuit Design of Digital IF Used in Spectrum Analyzer Based on FPGA
频谱分析仪数字中频电路的FPGA实现
real-time high-resolution spectrum analyzer
实时高分辨率频谱分析仪
Test methods of spectrum analyzers
GB/T11462-1989频谱分析仪测试方法
Generic specification of spectrum analyzers
GB/T11461-1989频谱分析仪通用技术条件
A Scheme of Frequency Spectrum Analyzer Based on Dummy Technique
基于虚拟技术的频谱分析仪器方案
fast-Fourier-transform spectrum analyzer
快速傅里叶变换频谱分析仪
Research of Speech Spectrograph Based on DSP;
基于DSP的语音信号频谱分析仪的研究