2) sine FM
正弦调频
1.
Performance research on anti-noise FM jamming of pseudo-random code phase modulation and sine FM combined fuze
伪码调相与正弦调频复合引信抗噪声调频干扰性能研究
2.
The purpose of this paper is to research the anti-noise AM spot jamming performance of pseudo-random binary code phase modulation and sine FM(PRBC-SFM) combined fuze based on the criterion of signal to jamming ratio(SJR) gain.
以信干比增益作为衡量标准来研究伪码调相与正弦调频(PRBC-SFM)复合引信抗瞄准式噪声调幅干扰性能。
3.
The spectral correlation function(SCF) of the reconnaissance signal combined sine FM and interpulse pseudo-random code PM was deduced.
推导了正弦调频和脉间伪码调相复合体制信号的谱相关函数(SCF),基于谱相关特征给出了对该复合体制侦察信号的自动识别算法。
3) Sinusoid frequency modulation
正弦调频
1.
,sinusoid frequency modulation and linear frequency modulation signals,the simulation result shows that the characteristic of frequency modulated can be extracted effectively in SNR=5dB.
研究了FM-AM转换时频分析的理论及其实现方法,利用高斯滤波器设计了调频信号的调制特征分析滤波器组,并以正弦调频和线性调频两类调频信号为例进行了数字解调分析,仿真结果表明,在信噪比为5dB时,利用FM-AM转换时频分析技术,可以有效提取调频信号的特征信息。
2.
As example,the digital demodulation is done to two special signals as example,sinusoid frequency modulation and linear modulation frequency signals.
研究了FM-AM转换时频分析的理论及其实现方法,利用高斯滤波器设计了调频信号的调制特征分析滤波器组,并以正弦调频和线性调频两类调频信号为例,进行了数字解调分析。
4) Cosine modulation
余弦调制
1.
Sub-band filtering to test response signals is achieved with a filter bank implemented by Cosine modulation.
将测试响应经余弦调制实现的数字滤波器组完成子带滤波,随后对各子带滤波序列进行能量计算和相关分析,实现模拟响应的数字特征提取。
5) sine modulation
正弦调制
1.
Study of laser measurement system for plane based on sine modulation
基于正弦调制的激光平面测量系统的研究
2.
This paper discussed mainly about Gauss pulse based on sine modulation and Meyer wavelet pulse.
主要讨论了正弦调制高斯脉冲和Meyer小波脉冲,通过MATLAB仿真分析研究,发现它们与高斯脉冲相比,具有一些优点,可以满足某些特定的要求,能够改善超宽带无线通信系统的性能。
3.
In this paper,a sine modulation method used to estimate the bandwidth in FOG design and assembly phase is presented.
提出了一种在陀螺设计和装配阶段采用正弦调制法测量光纤陀螺带宽的方法。
6) sine frequency modulation
正弦调频
1.
,the first frequency mixer filters the carrier wave and side band power extraction and the second time frequency mixer filters out the sine frequency modulation signal.
提出了伪码调相与正弦调频复合脉冲串引信,给出了复合信号形式,根据其频谱函数的特点,提出了利用复合脉冲信号的边带功率,通过二次混频得到视频(伪码)信号的方法,即第一次混频滤除载波,边带提取和第二次混频滤除正弦调频信号,从而得到含多普勒信息的伪码信号。
补充资料：调弦
1.弹奏弦乐器。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条