signal frequency range

LFM Fuze launch the same range of frequency modulation continuous wave signal, and use the substract frequency of the emission signal and the return siganl to determine the distance between the shells with the target.

调频无线电引信发射调频等幅连续波信号，其发射信号的频率按调制信号规律变化，利用回波信号与发射信号的频率差确定弹与目标间的距离。

The Wigner Ville time frequency analysis in conjunction with properly selected OFDM parameters is applied to evaluate the signal dynamic range performance over the low voltage power line network.

为了研究OFDM信号在低压电力线上的传输情况，运用基于维格纳分布的时频分析方法对电力线上的信号进行分析。

As an indispensible signal generator, it has a wide frequency range range of applications.

它具有很宽的频率范围,使用范围很广,是一种不可缺少的通用信号源.

When sinusoid signal is inputted, we measured the frequency response range of this circuit.

利用正弦波作为输入信号时, 测出了此驱动电路的频率响应范围.

For the same line with obstructor at the user's terminal the attenuation of carrier signal is weak, when transferring distance is 30km, the applicable frequency range is 0.1~ 200kHz.

当用户处有阻波器时，载波信号衰减很小，在30km范围内可用频段为0.1～200kHz。

Then, based on the energy distribution of mixed signal across frequency channels, the T-F units that are considerably corrupted by noise in high frequency range are located, and they are removed from target streams.

然后，基于混合信号在频率通道的能量分布，在高频区域找出被噪声干扰严重的时频单元，并将它们从目标听觉流中去除。

The receive frequency range is 0~ 30MHz band-pass signal. The system consists of two parts: analog part and digital part. As for the analog part there are analog audio input, analog high-frequency input, and DA analog output.

本设计可以接收信号的频率范围为0～30MHz带通信号，分为模拟部分和数字部分：其中模拟部分有模拟音频输入，模拟高频输入和DA模拟输出；

Because of utilizing high-speed optoelectronic converter and flash sample technique, the system can process Moir é signal with wide frequency range.

由于采用了高速信号处理和闪烁采样技术，采用该方案的系统能处理宽动态范围的莫尔条纹信号。

This paper discusses the sampling criteria of the intermediate frequency signal in the linear frequency modulated continuous wave radar, and analyses the spectrum leakage phenomena that exist in its discrete spectrum and the features of the maximum distinguishable range that should be limited.

本文探讨了对线性调频连续波雷达的中频信号采样所需遵循的准则，分析了其离散频谱具有的频谱泄漏现象和需要限制可分辨最大作用距离的特性。

Next, it is discussed how to obtain the range and velocity information of targets from the modulated frequency stepped radar signal through sliding time window method and two-dimension FFT algorithm.

分析了利用滑动时间窗方法和二次FFT算法提取目标信息的原理，给出了获得目标的距离谱和速度多普勒谱的方法。