鎖頻 的英文怎麼說
中文拼音 [suǒbīn]
鎖頻
英文
frequency locking-
Contrapose to the instability of the third - order charge - pump pll system, the loop optimization method is employed in system level design to decide the bandwidth and phase margin, therefore the loop bandwidth locates at the maximum phase margin to guarantee the stability of the system. according to tsmc 0. 35 m sige bicmos model, the sub - circuits in the designed pll and the whole system are simulated and verified by the cadence spectre
5 .根據tsmc0 . 35 msigebicmos工藝模型，利用cadencespectre模擬軟體對所設計的電荷泵鎖相環路中各個模塊及整個系統進行了模擬模擬，模擬結果顯示，在1 . 5v電源電壓下，頻率為200mhz的參考輸入信號，輸出中心頻率為800mhz ，分頻電路採用4分頻，環路帶寬為10mhz ，捕獲時間大約為0 . 92 s ，功耗大約為15mw ，達到了設計指標。As to the critical technological problems of the interlock control of three - car coke oven - oven number identification, accurate contraposition and data transmission, the author proposes solutions respectively - rfid, three - light positioning device, coke oven controller and radio transmission network. these solutions can ensure accurate identification of the oven number. for example, the deviation of the automatic parking position is within 10mm
針對三車聯鎖控制環節的關鍵技術：爐號識別、精確對正和數據通信，本系統採用了射頻識別（ rfid ）裝置、三燈位置檢測裝置、焦車控制器、無線通訊網路等解決方案，可實現無差錯的爐號識別，自動停車定位誤差在10mm以下，通信數據可靠等系統要求。A 45 48 mhz pll frequency synthesizer for cordless phone receiver
接收機鎖相環頻率合成器The core instrument for frequency - following is the pll. the dsp is used to realize the regulating of the dead time on - line
用鎖相環作為頻率跟蹤的核心器件，根據最佳死區的理論，用dsp實現死區的在線調節。Development of hybrid integrated circuit of high linearphase - locked frequency discriminator
混合集成電路高線性鎖相鑒頻模塊的研製In the next place, by studying the change of the resonant frequency of the whole system, this paper designs the circuit to track the resonant frequency of the system by cd4046 mainly. at the same time, in order to improve the efficiency and get better dynamic capability of the converter, we choose pll and fuzzy control after comparing the pll circuit, fuzzy circuit and pll ? fuzzy control circuit. in the end, this paper brings forward the control blue print to realize the drive control circuit of the high frequency converter, using the dsp chip as the key part to realize four routes of pwm drive pulses with dead band of the control system
其次，通過對整個系統諧振頻率變化的分析和研究，設計了以鎖相環cd4046為核心的鎖相環控制電路，同時，在綜合比較鎖相環控制、模糊控制以及模糊控制和鎖相環復合控制三種控制演算法的基礎上，進行了系統模擬，得出採用復合控制可使跟蹤電路既具有鎖相環路較好的穩態性能，又擁有模糊控制較好的動態性能，系統魯棒性能好，同時也提高了逆變器的效率。Design of hardware consists of three pll loops, micro wave sample mixer, fractional - n frequency divider
硬體電路包括三個鎖相環，取樣混頻器，分數分頻器的設計等。In this thesis, firstly, we put forward a new algorithm of the synchronization of carrier reference phase, that is to use the curve synthesizing with the general digital carrier phase looper to have an estimation on carrier frequency within 10 ms so as to meet the need of meteor burst communication. we have done some simulations to get the performance of carrier frequency estimation using two modulation modes ( 16qam and 4 - qpsk ), and had some test on the carrier phase looper in conditions when using different baud rate transmission and when the baud tuning have windage
我們對兩種正交調制方式（ 16qam和4 - qpsk ）進行了模擬工作並給出了模擬結果，同時討論了碼元同步定時誤差對鎖相環路工作的影響並根據流星通信中使用變速率傳輸時鎖相環路的載波同步性能進行了測試；然後在基於軟體無線電思想的數字處理平臺（該數字處理平臺實現了中頻數字化）上用dsp軟體完成了載波的相位跟蹤。Mcx radio - frequency connectors. part 36 : sectional specification for microminiature r. f. coaxial connectors with snap - on coupling. characteristic impedance 50 ohms type mcx
射頻連接器.第36部分:搭鎖式耦接的微型射頻同軸分規范.特性阻抗50歐姆Radio - frequency connectors - part 36 : sectional specification for microminiature r. f. coaxial connectors with snap - on coupling - characteristic impedance 50 ohm type mcx iec 61169 - 36 : 1996 ; german version en 61169 - 36 : 1997
射頻連接器.第36部分:帶搭鎖耦合器的微型射頻同軸連Luo bin ( optics engineering ) directed by yu xuecai, zong derong based on the laser mode locking principle, this paper focuses on the study of dds acousto - optic mode locker
本文根據鎖模激光原理，進行了dds （直接數字頻率合成器）聲光鎖模器的研製。It is discoverde that with a looped feedback circuit, the dds acousto - optic mode locking has the function of tracking the frequency interval of the laser resonator longitudinal mode, and stabilizing the quality of the laser beams
Dds聲光鎖模器在增加閉環反饋環路后，可以跟蹤激光諧振腔縱模頻率間隔變化，穩定激光光束輸出質量。2. we studied the relationship between the locking bandwidth and the injected signal light intensity and verified that the locking bandwidth is asymmetric. the negative frequency detuning is larger than positive frequency detuning
實驗證實了鎖頻范圍是不對稱的，負失諧范圍大於正失諧范圍，並且注入功率越大，鎖定范圍越大。The principle and structure of pll ( phase - locked loop ), including fll and loop filter, are analyzed and described. the module of carrier synchronization in the all - digit ds - qpsk receiver was carried out in the fpga chip. the problem about the estimation and track of the correlative carrier frequency under high dynamic circumstances was resolved very well
針對某遙測遙控全數字接收機的研製，對相干載波同步中的鎖相環、鎖頻環、 dpll 、本地nco等進行了詳細的分析和優化設計，在fpga上實現了高動態全數字ds - qpsk接收機中的載波同步模塊，解決了大范圍和動態多普勒頻移下接收機的相干載波提取與跟蹤問題。Frequency locking of propagating wave fronts in reaction - diffusion systems
反應擴散系統中波傳播的鎖頻現象The frequency tunable range near the d2 line of rb atom is about 4. 5 ghz
研究了從激光器鎖頻范圍與注入光功率的關系。Under the proper condition, the maximum locking bandwidth of the slave laser is approximately 4. 7ghz
在一定的條件下，測得從激光器鎖頻范圍最大約為4 . 7ghz 。39 % of total conversion efficiency at pump level of 600mw 858nm is obtained experimentaily with our single - resonant, external ring frequency - doubler pumped by tr. sapphite laser at room temperature ( about 21. 50c ). the conversion efficiency is seriously limited by what is called " blura " ( blue light induced infrared absorption ) and thermal effects. yet, up to 137 mw of cw blue light at 429nm at pump level of 565 mw has been achieved and stabilized over a hour when the cavity is locked via pound - drever - hall ( pdh ) technique
泵浦功率為600mw時，由於兩種效應「藍光導致紅外吸收（ bliira ） 」和「熱效應（ thermaleffects ） 」的嚴重影響，室溫下（約21 . 5 ）獲得了39的倍頻轉換效率；採用邊帶鎖頻技術， 565mw的泵浦光獲得137mw的藍光輸出，在沒有外界強烈的干擾下可以鎖定1小時以上而不失鎖。Losing lock frequency, unlocked frequency
失鎖頻率Losing lock frequency unlocked frequency
失鎖頻率分享友人