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- The definition of the complex signal, real modulation and complex modulation, the complex low-pass signal representation of real bandpass signal, SSB complex mo. 文中介绍了复信号的定义、实调制与复调制、用复低通信号表示带通信号、单边带复调制与解调,以及数字单边带韦瓦复调制在数字化载波机中的应用。
- Create the Exercise Plan that can simulate air control on DRS by real signal. 根据实际信号生成训练计划,生成的培训训练计划可以在DRS98雷达模拟机上进行管制模拟;
- Part I deals with background material in the acoustic theory of speech production, acoustic-phonetics, and signal representation. 第一部分讲述有关语音生成的声学理论的背景知识,声学-语音学,及信号表达。
- The FRFT has signal representation property both in space and frequency domain.The original image and the wate-rmark is transformed with different orders to improve watermarking security. 分数傅里叶变换具有空域和频域双域表达能力,可以对原始图像和水印信号分别进行不同阶次的分数傅里叶变换以增强水印安全性。
- This paper presents a synthesis methodology for ECL circuits based on a mixed voltage-current signal representation and operation denned on the voltage and current signals. 基于混合电压-电流的信号表示及对电流、电压信号定义的运算,本文提出了一种ECL电路的混合综合技术。
- Acquisition method of real signalIn order to acquire real signal as possible, we ensure authenticity of signal through conditioning, acquisition of signal, sampling frequency and precision. 取得的主要研究结果1、信号的获得方法为尽可能获得真实的信号,从信号的调理、获得、采样频率、采样精度方面来保证信号的真实性。
- By dyadic discrete wavelet transform, the real signal is decomposed into several layers every of which is composed of two parts: the lower frequency part and higher frequency part. 利用小波分析技术,在合适的分解层中把车辆振动的非平稳时域异常信号检测出来并使其得到准确的时域定位;
- The modulated signals are added up in a summator 120 to form a real signal, which is filtered by a RF filter 122 for attenuating out-of-band noise and spurious interference. 在加法器120中将调制的信号相加形成实信号,该信号通过RF滤波器122滤波,以衰减带外噪声和伪干扰。
- Complex analytical signal representation 复解析信号
- quadriphase signal representation 四相信号表示法
- A simple test will show if this is real gold. 简单的试验就能证明这是否是真金。
- That's where the real danger lies. 这正是真正的危险所在。
- It is concluded that both of the representations are applicable to study narrowband pulse, but for broadband pulse only rigorous complex analytical signal representation should be adopted. 因此,窄带脉冲光束可以采用复振幅包络和复解析信号两种表示式来研究,而对于宽带脉冲光束,必须采用严格的复解析信号表示式。
- The play is a dramatic representation of a real event. 这出话剧改编出自真人真事。
- That new shopping centre is a real eyesore. 那个新的购物中心真是难看极了。
- That old block of flats is a real eyesore! 那座旧公寓真不顺眼!
- It's a real hassle to get this child to eat. 使这孩子吃东西,真要费九牛二虎之力。
- She sent me a real snorter of a letter. 她给我寄来一封异乎寻常的信。
- Sheila's dad is a real tight wad. 希拉的父亲真是个一毛不拔的铁公鸡。
- What was the real reason for your absence? 你缺席的真正原因是什么?