您要查找的是不是:
- two-way scanning frequency measurement 双程扫描测频
- scanning frequency measurement 搜索测频法
- VSF? Vertical Scanning Frequency? 垂直扫描频率,场频?
- Because characteristic of electron gun job is restricted, scanning frequency included line frequency and field frequency two concepts. 由于电子枪工作特点限制,扫描频率包括了行频与场频两个概念。
- 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 relation between deflected angle and scanning frequency and the relation between raster and scanning frequency are deduced through the experiment data, so do. 对实验数据进行处理得到了振镜偏转角度和扫描频率之间具体的函数表达式及其图像表示,进而推导得到光栅大小和扫描频率之间的函数关系式。
- 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。
- This paper describes a piezoelectric drive circuit which can find the syntonic frequency of motor through scanning frequency region based on computer controlling. 提出了一种基于计算机控制的压电超声马达谐振频率自动搜寻系统。
- 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。
- It is an up-to-date intelligent measuring calibrator. The instrument has the preset functions of scanning frequency, mode, multipoint scanning,and power off protection. 该仪器为新一代智能化测校验设备,具有预置扫描速率、状态、多点、掉电保护等功能。
- 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。
- Experiments show that the line scanning frequency of this scheme has attained 25Hz, acquisition time for target is less than 3s and tracking speed is 3.0/s, and this scheme also has the properties of low power consumption and small volume. 实验表明;此方案的行扫描频率达到25Hz、目标捕获时间小于3s;跟踪速度达3.;0°/s;且具有功耗低、体积小的特点。
- The results show that the surface temperature of melt pool is affected intensively by melting parameters such as melting rate,melting power,electron beam scanning pattern and scan frequency,etc. 结果表明,结果表明,熔炼工艺参数如熔化速度、熔炼功率、电子束扫描方式和扫描频率都会对熔池表面温度产生剧烈影响。
- 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]
- Type T3000 transmitter scan frequency deflection has self-regulation function, when changing the modulating frequency, transmitter scan frequency deflection range is basic invariable. T3000型发射机扫描频频偏有自动调节功能,即改变调制频率后,发射机扫频频偏范围基本保持不变。
- 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。
- 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。
- 今日热词
-
- 深远海浮式风电平台 - deep-sea floating wind power platform
-
- 京雄高速公路 - Beijing-Xiongan expressway
-
- 农业及相关产业增加值 - the added value of agriculture and related industries