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- Resolution of Systematic Design Trouble with PLD Interior Phase Lock Loop. 使用PLD內部鎖相環(huán)解決系統設計難題。
- Both incorporation exterior VCO and loop filter could rattling realize celerity Phase Lock function. 結合外部VCO和環(huán)路濾波器可以很好的實(shí)現快速鎖相功能。
- Abstract：The Phase Lock Loop (PLL) Circuits are widely used in electronic systems especially in receivers. 鎖相環(huán)路是在現代各種電子系統中，特別是在接收機中應用廣泛的一種基本電路。
- The coupling visibilities(CV) of temperature sensor heads were measured with phase lock loop technique. 采用鎖相環(huán)技術(shù)測試了各傳感器的分光可見(jiàn)度隨溫度的變化關(guān)系。
- This paper presents a digital phase lock technique for UPS inverter output control to meet the trend of UPS digital control. 針對不間斷電源(UninterruptedPowerSupply,UPS)控制的數字化趨勢,提出了一種應用于數字化UPS的逆變鎖相控制技術(shù)。
- The signals from the REF IN/OUT socket and the SYNC OUT socket can be used to phase lock two instruments where more than 4 channels are required. 信號從參考輸入/輸出接口和同步輸出接口可用于鎖相兩項文書(shū)在4個(gè)以上的渠道是必需的。
- The frequency and phase lock loop has been applied for the carrier recovery of VSB transmission system in high definition TV. 目前，鎖頻鎖相環(huán)在高清晰度電視VSB傳輸系統載波恢復中得到了應用。
- The signal processing circuses, including the low-noise pre-amplifier, the filter and the phase lock loop(PLL) demodulation were designed. 分析并研制了系統的信號調理電路，其中包括低噪聲前置放大、濾波、鎖相環(huán)解調。
- Medium Voltage Inverter, Solid State Soft Starter, Pressure Regulation Water Supply System, Synchronously Switchover, phase lock. 關(guān)鍵詞:中壓變頻器,固態(tài)軟起動(dòng)器,恒壓供水系統,同步切換,鎖相技術(shù)。
- To meet the requirements of the target radio frequency (RF) hardware-in-the-loop simulation of the radio detonator, a method using a special phase lock loop (PLL) is presented. 摘要針對某型導彈無(wú)線(xiàn)電引信目標射頻半實(shí)物仿真的需要，提出了一種特殊的環(huán)路鎖相方法。
- To meet the requirements of the target radio frequency(RF) hardware-in-the-loop simulation of the radio detonator, a method using a special phase lock loop(PLL) is presented. 針對某型導彈無(wú)線(xiàn)電引信目標射頻半實(shí)物仿真的需要,提出了一種特殊的環(huán)路鎖相方法。
- Results show that the phase locking steps occur in the IV-curves. 結果表明，在直流伏安特性曲線(xiàn)上出現了相鎖定臺階。
- One example is the phase comparator of a phase locked loop. 一個(gè)例子是相鎖環(huán)狀態(tài)下的相位比較器。
- Phase locked loop (PLL) has been widely used in communication system. 鎖相環(huán)路在通信系統中得到了廣泛的應用。
- Through the research of direct digital synthesizer (DDS) used as a divider in phase lock loop (PLL), a frequency synthesizer with small frequency resolution ratio and high purity frequency spectrum can be realized. 摘要通過(guò)對直接數字合成器在鎖相環(huán)路中作為分頻器應用的研究，使頻率合成器可以在實(shí)現超細頻率分辨率的同時(shí)達到高的頻譜純度。
- The PLL (phase lock loop) is realized by form of charge pump, its loop filter is passive two-order LPF. Compared to other form of active filter, this CP PLL has less noise, which does some good to its output spectrum. 微波鎖相環(huán)采用電荷泵的形式,其環(huán)路濾波器為無(wú)源二階低通濾波器,相比采用有源濾波器的鎖相環(huán),它不會(huì )附加有源噪聲,而且濾波器結構簡(jiǎn)單,便于調試。
- PLL (phase lock loop) with PFD (phase-frequency detector) have been widely used in recent years.Reason for their popularity include extended tracking range, lower tracking time and low cost. 摘要鎖相環(huán)(PLL)是一個(gè)閉環(huán)相位自動(dòng)控制系統，能夠利用一個(gè)精確且穩定的頻率產(chǎn)生一系列頻率準確的信號，為系統內部的其它模塊提供穩定的高頻時(shí)鐘。
- In order to satisfy the flow measurement precision for big-pipe,multi-paths ultrasonic flow measurement system based FPGA(Field Programmable Gate Array) and phase lock loop(PLL) was developed. 為了滿(mǎn)足大管徑流量的測量精度,研制了基于現場(chǎng)可編程門(mén)陣列器件FPGA和鎖相環(huán)路的多聲路超聲波流量測量系統。
- The phase jitter of output signal of the PLL( phase locked loop) frequency doubler is analyzed. 定量分析了數字式鎖相倍頻器輸出信號的相位抖動(dòng).
- A phase locked wavelength drive prevents peak shifts and peak suppression at high scan speeds. 相位鎖定波長(cháng)驅動(dòng)技術(shù)可以防止儀器在快速掃描時(shí)吸收峰的偏移。
