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- standard frequency source 标准频率源
- 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。
- The compressor of frequency conversion air conditioning is not to work all the time it is under standard frequency, can be accelerated according to need or decelerate speed. 变频空调的压缩机不是一直工作在标准频率之下,可以根据需要加快或者减慢速度。
- 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。
- Firstly, the responses of some classified speakers were acquired and processed in order to get the standard frequency spectrum of different types of loudspeakers. 首先,对87个类型已知的各类扬声器进行数据采集和数据处理,并计算不同类型扬声器的类标准频谱图;
- 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。
- Use standard frequencies like Daily, weekly, monthly or set up your own custom frequencies eg 4-4-3, every other day, third Monday of the month. 使用标准的频率一样,每天,每周,每月,或成立自己的自定义频率,例如4-4-3 ,每隔一天,第三周一至本月底。
- 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。
- standard frequency and time signal service 标准频率和时间信号业务
- Standard frequency and time signal 校准频率和时间信号
- Standard frequency and time signal station 标准频率和时间信号电台
- Standard frequency and time signals 标频时信号
- Gunn effect solid state frequency source 耿氏效应固态频率发生器
- overvoltage of standard frequency resonance 工频谐振过电压
- Compensation of Opening Frequency Source Output 频率源开机输出的补偿
- There is a standard form of oath used in lawcourts. 法庭中使用的誓词有固定的格式。
- This is one of the standard books on the subject. 这是有关这个问题的权威著作之一。