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- The PLL part, made of PD, Loop Filter, Voltage Control Oscillator, is the key circuit of the system to produce steady and continuous frequency scanning signal. PLL鎖相環(huán)路部分主要由鑒相器、環(huán)路濾波器、電壓控制振蕩器構成，產(chǎn)生穩定連續的頻率掃描信號，它是本系統的關(guān)鍵電路。
- In communications,a continuous frequency voltage or electromagnetic wave capable of being modulated or impressed with a second signal which carries the information to is transmitted. 通信技術(shù)中一種連續的電壓或電磁波,可用另一個(gè)攜帶有傳送信息的信號調制或疊加。
- In communications, a continuous frequency voltage or electromagnetic wave capable of being modulated or impressed with a second signal which carries the information to is transmitted. 通信技術(shù)中一種連續的電壓或電磁波,可用另一個(gè)攜帶有傳送信息的信號調制或疊加。
- The readout principle and test method of high frequency signal of CD are introduced. 介紹了CD光盤(pán)的高頻(HF)信號的讀取原理和測試方法。
- The match strobe gate is presented to improve the measurement precision of low frequency signal. 文中提出使用匹配選通門(mén)提高低頻信號頻率測量精度。
- The output of common ultralow frequency signal generator has only a few fixed waveforms which can not be changed. 常用超低頻信號發(fā)生器的輸出只有幾種固定的波形,不能更改。
- High quality REC of video frequency signal and big area communion of video frequency resources are the important parts of Instruction Multimedia Resources. 其中,視頻信號的高質(zhì)量錄制、視頻資源的大范圍共享,是多媒體教學(xué)資源建設的重要組成部分,成為教育界所關(guān)注的重點(diǎn)。
- The DFT phase detection method can take out frequency, phase and magnitude of the base frequency signal from a random synchronization signal. 離散傅里葉變換可以從任意信號中抽取基準頻率倍頻次信號的相位、頻率和幅值,可以解決諧波對外同步信號的影響,從而實(shí)現周期控制鎖相環(huán)對諧波的識別。
- It is during these hours when the transmitter was implanted, and when, I awoke I had a searing high frequency signal at about 100 db in my skull. 在這幾小時(shí)的時(shí)間里，芯片在那時(shí)被植入，并且在那我醒過(guò)來(lái)的時(shí)候，在我的頭骨里，有一種大約在100分貝的灼熱的高頻信號。
- Operating in the heavy congested SW band, HF radars use a quasi-random step frequency signal to avoid the interference bands. 高頻雷達工作在電磁環(huán)境十分惡劣的短波段,為避開(kāi)干擾嚴重的頻段,采用一種準隨機跳頻信號。
- Can be output voltage, current, millivolt, frequency signal output of 24V DC power distribution circuit to provide power for the transmitter. 可輸出電壓、電流、毫伏、頻率等信號24V DC配電輸出為變送器提供回路電源。
- The high frequency signal can be decomposed, and the frequency field can be divided into tinier ones with the emerging of wavelet packets. 摘要小波包的方法能對高頻信號進(jìn)行小波分解，給出了頻域帶更精細的劃分。
- Can control audio frequency signals remotely，the volume can be modulated. 可對各路音頻信號進(jìn)行遠程操控，音量可調；
- In the data process the measured complex time signal is converted into frequency signal by DFT to get vibration information regarding frequency and amplitude of the rotor. 在數據處理中,對所得到的復雜時(shí)域振動(dòng)信號進(jìn)行了離散傅里葉變換(DFT),從而在頻率域獲得了轉子的振動(dòng)頻率和振幅信息。
- It is an important application of superconducting devices to achieve the spectral information of high frequency signal by using the Josephson junctions. 摘要利用約瑟夫森效應獲取電磁信號的頻譜信息是超導電子學(xué)的重要應用之一。
- The study also includes a series of high frequency signal compensation, highfidelity processing method, practice proves the fidelity, resolution andsignal-to-noise improve much. 在本次處理方法研究中還采用了一系列的高頻信息補償、振幅的高保真處理措施,處理結果的保真度、分辨率和信噪比較以前的資料有很大提高。
- constant band-width continuous frequency analysor 固定帶寬連(續音)頻分析器
- IP data transmission, the high definition figure video frequency signal are transmitted in real time and some other multimedia information could be transferred at the same time. 利用衛星IP數據傳輸可以在實(shí)時(shí)傳輸高清晰度數字視頻信號的同時(shí)傳輸遠程教學(xué)所需的其他多媒體信息。
- continuous frequency band spectrum 連續頻(帶)譜, 連頻譜
- Owing to the phenomenon of "target splitting" of multi-scatter motion target range profile of the stepped frequency signal, it brings difficulties in target identification. 頻率步進(jìn)信號對運動(dòng)的多散射體目標成像時(shí)會(huì )出現“目標分裂”現象,給目標識別帶來(lái)困難。
