- 信号调制
- signal: n. 1.信号，暗号；信号器。 2.动机，导火线 (fo ...
- modulation: n. 调整，调节；(声调的)抑扬，变化；【音乐】转调，变 ...
- modulation signal: 调制信号
- control signal ripple modulation: 控制信号波纹调制
- cross modulation signal generator: 交扰调制信号发生器
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signal modulation中文什么意思
- 信号调制
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例句与用法
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- Secondly , we used the dsp assembly language to perform the carrier phase tracking based on a digital processing system . this system is designed according to the idea of software radio . this digital processing system realized the intermediate frequency digitalization . with the diverse configuration of the digital upconverter and digital downconverter in this system , it can carry through many signal modulation modes . and because the carrier phase trac king is performed using software in dsp , it brings great convenience to this system and makes this system available in many digital communication systems
在该数字处理平台上可通过加载不同的软件对平台中的数字上下变频器进行灵活的配置以实现不同的数字调制解调制度，通过将载波的相位跟踪工作放在dsp软件中进行带来了很大的灵活性，能够适用于当前许多种数字通信系统。 - In order to reduce the influence of the laser diode ’ s heat effect , a thermal control device is designed to make laser diode work under a stable temperature . the principle and application of ic - wkn is researched adequately . a signal modulation circuit including d / a converter and chip computer is designed
由于温度变化也会影响到半导体激光器的正常工作,为了减小环境温度变化和激光器的热效应对激光器本身及其输出造成的影响,本文将半导体激光器和温度控制装置设计在一起,使激光器能够在恒温下工作。 - Hfc ( hybrid of fiber and coax ) network is a competitive means to support wide varieties of video , voice and data services . the thesis describes and analyzes the system framework , frequency assignment and signal modulation schemes of hfc . recently hfc and adsl are aggressive among broadband access technologies
本文对hfc网的系统结构、网络拓扑、频谱分配方案和业务信号的调制方式等进行了详细的阐述和分析，并且全面地比较了hfc和adsl的优缺点，总结出hfc具有较高的性价比，是我国宽带接入网的优选方案。 - For phonetic signal modulation , if the pass band range of the band pass filter ( bpf ) is 300hz - 3400hz , the anti - noise properties of laser are approximately independent of bias current and parameters of the cavity ; when the pass band range of bpf increases to a certain degree , modulating bias current and parameters of the cavity can improve the anti - noise properties of laser
对语音调制情况，如带通滤波器的通带范围取为300hz - 3400hz ，则激光器的抗噪声性能基本不依赖于偏置电流和腔内参数；当带通滤波器的通带范围增大到一定程度，调整偏置电流和腔内参数可以实现半导体激光器的高抗噪声性能。 - Another method is based on the multi - resolution property of the wavelet . because different signal modulation has different characteristics at certain resolution , the specific signal information at different resolution are used a vector of signal features to identify signal modulation by rbf neural network . computer simulations show the methods proposed has good performance even in low snr ratio
基于小波的多分辨率特性，在本文中利用小波分解获取信号在不同分解水平下的细节信息，将这些细节信息构成特征向量，由于不同信号类别具有不同的细节信息，于是可以将这些特征向量通过径向基函数（ rbf ）神经网络进行训练与识别数字调制信号。