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- The frequency measurement and direction finding are realized separately in traditional ECM field which the frequency obtained by frequency measurement receiver, and the direction finding is implemented using Interferometer etc. 传统电子对抗的测频、测向是独立完成的,即先由测频接收机测得信号频率,且由测向天线采用如相位干涉仪方法完成测向。
- instantaneous frequency measurement receiver 瞬时测频接收机
- IFM instantaneous frequency measurement receiver 瞬时测频接收机
- Hindrance of Noise on Instantaneous Frequency Measurement Receivers 噪声对瞬时测频接收机性能的影响
- frequency measurement receiver 测频接收机
- Ciliary beat frequency measurement of cultured human nasal epithelial cellsSONG Xiao-hong, et al. 体外培养的人鼻腔黏膜纤毛摆动频率的测量。
- The signal environment of ECM is more and more complex, so frequency measurement methods must be high-speed and precise in broad frequency band. 面对日益复杂的电子战环境，要求必须在很宽的带宽范围内，对频率信息进行快速、高精度的测量。
- In conclusion, the trend of power system frequency measurement is naturally educed. 最后对电力系统频率测量的发展趋势提出看法。
- The measure received a majority. 这一议案以过半数票而通过。
- Circle Center Fitting (CCF), a phasor method of frequency measurement, is innovated and proved, and it has the practical value of engineering. 提出并论证了“圆心拟合法”相量测频方法,具有一定的应用价值。
- Furthermore,by applying instantaneous frequency measurement algorithm to this system,we can get high estimation accuracy. 此外,还把瞬时测频算法应用到该系统中,取得了很高的测频精确度。
- A more in-depth discussion of commercially available time and frequency measurement equipment and standards, and how such instrumentation can be used in the metrology laboratory. 市场上可用的时间频率测量设备和标准的更深入的讨论，以及此类仪器如何应用在计量实验室。
- SUONAN Jia-le,GE Yao-zhong,WANG Ding-an,et al.A new frequency measurement algorithm uninfluenced by zero crossing of voltage[J].Proceedings of the EPSA,1996,8(4): 19-21. [1]索南加乐;葛耀中;王定安;等.;一种不受电压过零点影响的新型频率测量方法[J]
- A method of frequency measurement based on HSI(High Speed Input) of 80C196 is proposed. It is discussed that voltage sampling frequency tracks signal frequency according to the reasult of frequency measurement. 提出了一种基于 80 C196单片机 HSI的频率测量方法 ,并依据测量的频率来改变电压的采样时间间隔 ,实现频率跟踪功能。
- At present the novel methods for accurate frequency measurement are often published in technical periodicals, but it seems as if these methods lay special emphasis on the distortion of waveform. 近年来用于精确测量频率的新方法也常见于报道 ,但这些方法几乎都在波形畸变上做文章。
- The working theory of AX5489 (GPIB)s DLL in the frequencys measurement is introduced. 通过一个应用于频率测量的完整实例，介绍了GPIB接口板的DLL调用方法，具有广泛的应用前景。
- The frequency measurement algorithm can accurately track the system frequency by adjusting the amendatory coefficient in real time according to the error of the original Fourier frequency measurement algorithm. 测频算法根据传统傅氏测频算法存在的误差，通过实时调整修正系数的方法，实现了高精度地跟踪系统频率。
- The measure received bipartisan support, but was firmly opposed to the banking sector. 这项措施获得了两党议员的支持，但遭到了银行部门的坚决反对。
- The frequency measurement and data processing is realized in a chip CPLD. The frequency surveying system of wide range and high integrated and high speed and high accuracy and high reliable is designed. 在一片CPLD上实现频率测量和数据处理,设计了宽范围、高集成度、高速、高精度和高可靠性的频率测量系统。
- This paper introduces how to form stepmotor driver source by using EPROM and analyse and design driver source and frequency measuring circuit. 本文介绍了利用EPROM芯片构成步进电机的驱动电源，并对驱动电源及频率测量电路进行了分析和设计。
