Mechanism of the influence of low frequency modulating magnetic field on brain wave rhythm 低频调制磁场对脑电节律的影响机理
Direct measurement of ch4 absorption spectrometer by means of tunable frequency modulated diode laser 激光频率调制光谱法测量甲烷的吸收光谱
Radio broadcasting systems - very high frequency , frequency modulated , sound broadcasting transmitters ; english version ets 300384 : 1995 无线电广播系统.甚高频调频的声音广播发射机
In order to obtain high range resolution , the chirp signal is used as subpulse to form stepped frequency modulated radar signal 摘要为了获得高距离分辨率,将线性调频信号作为子脉冲构成调频步进雷达信号。
Radio broadcasting systems - very high frequency , frequency modulated , sound broadcasting transmitters in the 66 to 73 mhz band ; english version ets 300750 : 1997 无线电广播系统.甚高频调频. 6至75mhz无线电广播电台
This paper puts forward the signals transmission method combining the msk technique with the radio technique of frequency modulated ultra - short waves 文章提出了采用最小频移键控( msk )技术与调频超短波无线电技术相结合传输信号的方法。
Frequency modulated continuous wave synthetic aperture radar ( fm - cw sar ) can be miniaturized , and it is fit for light - duty flight platform wonderfully 调频连续波合成孔径雷达可以实现小型化,能非常好地满足轻型飞行平台对成像设备的要求。
Equipment and components used in cabled distribution systems primarily intended for television and sound signals general specification for frequency modulated stereo and monotonic modulators 电视和声音信号的电缆分配系统设备与部件调频立体声和单声道调制器通用规范
The united signal for the isar signal processing is called the cross - range dimension signal . the cross - range dimension signal of the target with nearly tangent motion is a linear frequency modulated signal 由推导的准切向运动目标的方位向信号的相位表示式可以看出,此信号近似为线性调频信号。