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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. 文中介紹了復信號的定義、實(shí)調制與復調制、用復低通信號表示帶通信號、單邊帶復調制與解調,以及數字單邊帶韋瓦復調制在數字化載波機中的應用。
- Create the Exercise Plan that can simulate air control on DRS by real signal. 根據實(shí)際信號生成訓練計劃,生成的培訓訓練計劃可以在DRS98雷達模擬機上進(jìn)行管制模擬;
- Part I deals with background material in the acoustic theory of speech production, acoustic-phonetics, and signal representation. 第一部分講述有關(guān)語(yǔ)音生成的聲學(xué)理論的背景知識，聲學(xué)-語(yǔ)音學(xué)，及信號表達。
- 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. 分數傅里葉變換具有空域和頻域雙域表達能力,可以對原始圖像和水印信號分別進(jìn)行不同階次的分數傅里葉變換以增強水印安全性。
- 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. 基于混合電壓-電流的信號表示及對電流、電壓信號定義的運算,本文提出了一種ECL電路的混合綜合技術(shù)。
- 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. 取得的主要研究結果1、信號的獲得方法為盡可能獲得真實(shí)的信號，從信號的調理、獲得、采樣頻率、采樣精度方面來(lái)保證信號的真實(shí)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. 利用小波分析技術(shù)，在合適的分解層中把車(chē)輛振動(dòng)的非平穩時(shí)域異常信號檢測出來(lái)并使其得到準確的時(shí)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中將調制的信號相加形成實(shí)信號，該信號通過(guò)RF濾波器122濾波，以衰減帶外噪聲和偽干擾。
- Complex analytical signal representation 復解析信號
- quadriphase signal representation 四相信號表示法
- A simple test will show if this is real gold. 簡(jiǎn)單的試驗就能證明這是否是真金。
- That's where the real danger lies. 這正是真正的危險所在。
- 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,窄帶脈沖光束可以采用復振幅包絡(luò )和復解析信號兩種表示式來(lái)研究,而對于寬帶脈沖光束,必須采用嚴格的復解析信號表示式。
- The play is a dramatic representation of a real event. 這出話(huà)劇改編出自真人真事。
- That new shopping centre is a real eyesore. 那個(gè)新的購物中心真是難看極了。
- That old block of flats is a real eyesore! 那座舊公寓真不順眼！
- It's a real hassle to get this child to eat. 使這孩子吃東西，真要費九牛二虎之力。
- She sent me a real snorter of a letter. 她給我寄來(lái)一封異乎尋常的信。
- Sheila's dad is a real tight wad. 希拉的父親真是個(gè)一毛不拔的鐵公雞。
- What was the real reason for your absence? 你缺席的真正原因是什么？
