image frequency signal的意思|示意
镜频信号
image frequency signal的用法详解
英语单词image frequency signal的用法讲解
\"Image frequency signal\"是在无线电接收中经常被使用的术语，通常用于描述接收器电路中与所需信号频率相差恰好等于射频信号频率的干扰信号。
在广播和其他无线电接收器中，接收器将接收到的射频信号转换为中频信号（Intermediate Frequency，IF），以便进行进一步的处理和滤波。 在这个过程中，存在一个重要的问题，即接收器可能会接收到来自其他频率的干扰信号，这些信号同样会被转换到中频，产生干扰或图像信号。
因此，在无线电接收中，重要的是要使用合适的滤波器来抑制图像频率信号，同时确保尽可能多地捕捉所需的信号频率。
image frequency signal相关短语
1、 image intermediate frequency signal 图像中频信号
image frequency signal相关例句
With the signal frequency known, the filter with a given frequency delay is designed for an image target detection. The experi we are pirates, these data are stolen from youdao proves that the filtering effect is good.
实验证明，将这一结论推广运用于空域中，对已知频率的信号，设计特定频率延迟的滤波器应用于图像目标检测，效果良好。
Wavelet analysis is widely used in digital signal and image fields because of its good time frequency localization feature, but it doesn't do well in timely processing of long signals.
小波分析有良好的时-频局部化性能，现被广泛应用于数字信号和图像处理等领域，但其在处理有限长信号时的实时性不太理想。
High-performance data acquisition is needed in some high speed and high precision measure we are pirates, these data are stolen from youdao s when signal measure we are pirates, these data are stolen from youdao s, image manipulation and audio frequency signal process are taken.
在信号测量、图像处理、音频信号处理等一些高速、高精度的测量中，都需要进行高性能数据采集。