单词frequency-modulation
na.: 【电】调频；调频播送
频率调制
调频
In frequency modulation continuous wave (FMCW) radar, the target information is usually extracted by Range-Doppler processing.
调频连续波（FMCW）雷达往往通过对回波信号的距离-多普勒处理来提取目标信息。
Most bats produce a complicated sequence of calls, combining constant frequencies and frequency modulation components.
恒定频率和变频组合.产生一个复杂的叫声序列。
Essentially, SCA signals are multiplexed onto an FM broadcast by means of frequency modulation of a sub carrier.
基本上，政制事务局局长信号多路复用到一个调频广播方式，频率调制的一个小组的载体。
Abstract : The emissive frequency of the general frequency modulation broadcast transmitter is fixed.
一般的调频广播发射机，发射频率是固定的。
The present invention provides a structure in which an amplitude-modulation mode and a frequency-modulation mode are switched.
本发明提供了一种结构，其中振幅调制模式和频率调制模式被切换。
The paper presents the effectiveness of EMI suppression of switching converters with a chaotic frequency modulation scheme.
探讨了混沌频率调制技术在开关变换器中抑制电磁干扰的实际效果。
Broadband noise frequency modulation signal with high precision is commonly used in modern electronic interference system.
宽带高精度的噪声调频信号在现代电子干扰系统中应用广泛。
The differences and advantages of space structure, signal structure, frequency modulation and its position accuracy are compared.
讨论了伽利略全球导航定位系统最新状况，比较了体系结构和信号结构、频率调制、定位精度等的差异及优越性。
time synchronization consists of pulse synchronization and frequency-modulation synchronization.
时间同步包括调制脉冲的同步和调制频率的同步。
Nonlinear frequency modulation (NLFM) whose modulation wave is the square of a saw wave is introduced into the fuze detection system.
本文将非线性调频技术引入引信探测体制中，利用线性调频波作为调制信号对射频信号进行二次调频。