frequency modulation
美
英 
- na.【电】调频;调频播送
- 网络频率调制;频率调变;频率灯
英汉解释
英英解释
例句
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。
It is also required that the power station shall be capable of moderating with load peak, frequency modulation.
要求该电厂有调峰、调频的能力。
the pumped-storage power plant is a special power source with functions of peak and frequency modulation as well as emergency backup.
黑启动电源有很多种,抽水蓄能电站是电力系统中具有调峰、调频和事故备用等多种作用的特殊电源。
The Configuration and activity theoretical of the placet frequency modulation glary instrument are introduced in this paper.
本文介绍了一种新型的可调频闪仪的结构及其工作原理。
The performance for the frequency modulation of electrical feedback optical transmitters is presented.
本文研究了电反馈光发射机的频率调制特性。
This approach develops images from linear frequency modulation components that are included in the phase history in every range bin.
该方法利用每个距离单元的相位历程中所含大幅度的线性调频分量进行成像。
Our results show that the frequency-modulation detection scheme is more sensitive to the conventional amplitude-modulation detection scheme.
实验上,我们证实频率调制侦测技术比传统之振幅调制侦测技术具有较高之力灵敏度。
The figure below illustrates a simple frequency modulation architecture.
下面的图表列举了一个简单的调频结构体系。
The simulation of generating Linear Frequency Modulation (LFM) pulse-compression target signals for radar with FPGA is presented.
本课题主要研究利用FPGA实现线性调频脉冲压缩雷达目标信号的模拟。
We emulate the pulse signal radar of linear frequency modulation, The emulation results are presented, analyzed and compared.
研究线性调频脉冲压缩雷达目标仿真,给出了仿真结果并进行比较分析。
Reduction of Conducted EMI in switching power supplies using chaotic frequency modulation scheme (CFMS) is proposed.
利用混沌频率调制技术从噪声产生源头上降低了开关电源传导电磁干扰。
This paper studies the design methods of the nonlinear frequency modulation signal waveform.
研究了非线性调频信号波形设计方法。
A solution of automatic testing for frequency modulation parameter by industrial control computer is realized.
实现了利用工控机自动进行频率调制参数测试的方法。
Whenever there is a frequency modulation of an existing system, there is a certain magnetism that moves out from that system.
无论何时有现有系统频率调制,有自系统而来运行的磁。
The algorithm clearly displays the frequency modulation law of the nonlinear frequency modulation chirp signals at the same time.
同时清楚地展示了非线性调频信号的频率调制规律。
Frequency modulation is not possible with polychromatic light .
多色光不可能调制频率。
This system's high precise frequency modulation and stable operation satisfy the timing demand of printer transducer.
该系统调频精度高,运行稳定,满足了印刷机变频器的调速要求。
The application of the variode in frequency modulation circuit are discussed.
讨论变容二极管在调频电路中的应用。
FM launcher can change navigating audio signal into frequency modulation signal, and playing.
FM发射器可将导航音频信号转换为调频信号播放。
A measurement system based on electrochemical frequency modulation (EFM) technique was developed, which could implement EFM measurement.
研制了基于电化学频率调制(EFM)技术的测试系统,能够实现EFM测试。
Aimed at wide-band linear frequency modulation(LFM) radar, a method of image deception signal generation was put forward.
针对宽带线性调频体制雷达,介绍了一种图像欺骗干扰信号的实现方法。
Then the principle of Pulse Width Modulation and Pulse Frequency Modulation is analyzed in detail.
之后阐述了脉冲宽度调制和脉冲频率调制的工作原理。
Digital frequency modulation called frequency shift keying (FSK), binary frequency shift keying recorded as 2FSK.
数字频率调制又称频移键控(FSK),二进制频移键控记作2FSK。
This would later become more commonly knows as frequency modulation or more simply, FM .
这以后会成为更加简单地通常知道当调频或,FM。
This paper presents a new wideband digital beamforming method using subarrays and Linear Frequency Modulation (LFM) signal.
该文在基于子阵和发射为线性调频信号的前提下,提出一种宽带子阵数字波束形成方法。
This project is exactly based on the research and realization of the frequency modulation(FM) heterodyne transmitter.
本课题进行的正是调频外差式发射机射频前端的研究与实现。
And introduce dynamic load mode to evaluate the benefit of frequency modulation.
为定量评估调频效益,在常规典型日小时负荷模型基础上提出了动态负荷模型;
The invention also provides a system for listening in the frequency modulation broadcast using the Bluetooth device.
本发明还提供一种利用蓝牙装置收听调频广播的系统。
The paper has introduced the properties, principle of operation of CD4046 and the frequency modulation circuit.
介绍了芯片CD4046的特点、工作原理以及由其构成的调频电路。
Linear frequency modulation (LFM) interferences may be a kind of preferred wideband interferences in spread-spectrum.
线性调频(LFM)是扩频系统中常见的一种宽带干扰样式。
The gods who have been in charge here for this last period of evolution use frequency modulation and do not allow freedom of choice.
已经充满这里的众神为这最后周期的进化使用频率调整并且不容许自由选择。