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- Precision Frequency Source 精密频率源
- Abstract: PLL is a close loop control system,it is used to high precision frequency and phasic conatrol. 内容提要：锁相环路是一个闭环控制系统，用于高精度的频率和相位控制。
- QUARTUS used by the compiler, and other precision frequency, I am wrong. But there are several warning (not affect design). I graduated from the design ah! ! ! 用QUARTUS编译通过的等精度频率计，我错误，但有几个警告（不影响设计）。我的毕业设计啊！！！
- These practices shown that the phase-lockd loop has made it possible to offer a stabilized frequency source for high speed spinning of the POY Dacron filament. 实践表明,它解决了涤纶长丝高速纺丝变频电源的频率稳定度问题。
- Electronic Support Measure (ESM) system has the function of threat detection and the area monitor to locate and identify the Radio Frequency Source (RFS). 电子支援措施(ESM)系统执行威胁探测和区域监视功能，以确定周围辐射源的类型和方位。
- Whatever it is radar, ECCM equipment, communication equipment or instrument, frequency source with high stability is needed to guarantee the quality of carrier signal. 无论是雷达、电子对抗，还是通信、仪器设备等都需要高稳定度的频率源，以保证载波信号的质量。
- The frequency source in Global Positioning System (GPS) receiver has a great many influence on the whole performance of the receiver. GPS(Global Positioning System)接收机中参考频率源的性能对接收机整体性能有着诸多影响.
- Phase noise is the key character in direct digital frequency synthesizers (DDS) applied in the high stable frequency source. 摘要相位噪声是制约DDS用于高稳定频率源的的关键指标。
- The switching solution should have as a minimum the bandwidth of the DUT, and preferably equal to the bandwidth of any higher frequency source and measurement equipment. 切换方案的最小带宽应该为DUT的带宽，最好是等于任何高频源和测量设备的带宽。
- equal precision frequency measurement 等精度测频
- First, this paper introduces the background and block diagram of this frequency source, and then introduces the scheme of the sub-harmonic sampling phase-lock loop and push-push DRO. 本文首先介绍了该频率源的设计背景及电路方案,然后介绍了锁相环路、电调谐介质谐振器稳频振荡器(Vt-DRO)的设计过程。
- identical precision frequency measurement 等精度测频
- The precise frequency will be determined by the HKMAs risk assessment of the institution. 至于实际的审查次数,金融管理局会视乎其对有关机构的风险评估而决定。
- Stereo 7-band graphic EQ allows precise frequency correction of monitor or main outputs! 高品质7段均衡器,每频段均提供指示灯。指示灯可显示反馈点监视!
- A wetness measurement system based on cavity perturbation method is designed for precise measuring,including automatic frequency tracing system and equal precision frequency measurement system. 以汽轮机内蒸汽湿度的准确测量为目的,设计了基于微波谐振腔微扰法的蒸汽湿度测量系统:自动频率跟踪系统和等精度频率测量系统。
- Each satellite contains four" atomic clocks," which vibrate at a precise frequency, according to the laws of the quantum theory. 每颗卫星都装有4个“原子钟”，它们根据量子理论法则，以精确的频率振动。
- Could versus signal passing programme came realize frequency demultiplication, could realize precise frequency synthesis output. 可以对信号通过编程来实现分频，从而可以实现精确的频率合成输出。
- The diagram had been copied with great precision. 该图表的复印件很精确。
- Gunn effect solid state frequency source 耿氏效应固态频率发生器
- Aim for more precision in your style. 写东西时要力求准确。
