frequency modulation

US 
UK 
  • na.【电】调频；调频播送
  • Web频率调制；频率调变；频率灯

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E-E

Web Definition

na.
1.
【电】调频,频率调制;调频播送

Sample Sentence

Definition:
AllAll,调频调频,调频播送调频播送,频率调制频率调制,频率调变频率调变,频率灯频率灯
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard
1.
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。
tiáo pín lián xù bō ( FMCW ) léi dá wǎng wǎng tōng guò duì huí bō xìn hào de jù lí - duō pǔ lè chǔ lǐ lái tí qǔ mù biāo xìn xī 。
www.dictall.com
2.
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。
héng dìng pín lǜ hé biàn pín zǔ hé . chǎn shēng yī gè fù zá de jiào shēng xù liè 。
ezitong.com
3.
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。
jī běn shang , zhèng zhì shì wù jú jú zhǎng xìn hào duō lù fù yòng dào yī gè tiáo pín guǎng bō fāng shì , pín lǜ tiáo zhì de yī gè xiǎo zǔ de zài tǐ 。
zhidao.baidu.com
4.
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。
yì bān de tiáo pín guǎng bō fā shè jī , fā shè pín lǜ shì gù dìng de 。
blog.sina.com.cn
5.
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。
běn fā míng tí gōng le yī zhǒng jié gòu , qí zhōng zhèn fú tiáo zhì mó shì hé pín lǜ tiáo zhì mó shì bèi qiē huàn 。
ip.com
6.
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。
tàn tǎo le hùn dùn pín lǜ tiáo zhì jì shù zài kāi guān biàn huàn qì zhōng yì zhì diàn cí gān rǎo de shí jì xiào guǒ 。
www.dictall.com
7.
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。
kuān dài gāo jīng dù de zào shēng tiáo pín xìn hào zài xiàn dài diàn zǐ gān rǎo xì tǒng zhōng yìng yòng guǎng fàn 。
www.dictall.com
8.
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。
tǎo lùn le jiā lì lüè quán qiú dǎo háng dìng wèi xì tǒng zuì xīn zhuàng kuàng , bǐ jiào le tǐ xì jié gòu hé xìn hào jié gòu 、 pín lǜ tiáo zhì 、 dìng wèi jīng dù děng de chā yì jí yōu yuè xìng 。
www.dictall.com
9.
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。
shí jiān tóng bù bāo kuò tiáo zhì mài chōng de tóng bù hé tiáo zhì pín lǜ de tóng bù 。
www.juyy.net
10.
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。
běn wén jiāng fēi xiàn xìng tiáo pín jì shù yǐn rù yǐn xìn tàn cè tǐ zhì zhōng , lì yòng xiàn xìng tiáo pín bō zuò wéi tiáo zhì xìn hào duì shè pín xìn hào jìn xíng èr cì tiáo pín 。
www.dictall.com
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