因此，需要提供具有可控制最小脉冲宽度的相位频率检测器。
Therefore, it would be desirable to provide a phase frequency detector that has a controllable minimum pulse width.
依照本发明的某些实施例，相位频率检测器包括温度感测电路。
According to some embodiments of the present invention, a phase frequency detector includes a temperature sensing circuit.
论述了利用单片机取代工控PC机进行石英晶体频率检测分选的技术。
Discussed a technology to measure quartz crystal frequency using SCM 8051 instead of traditional ways of using PC.
智能手机频率检测器和联系式商品展示可以识别店中某个地点是人流驻足的“热点”。
Smartphone frequency detectors and connected displays could identify that one point in the store is a "hotspot" where traffic tends to halt.
通过实验研究了CQT和DFT在多音阶频率检测时的性能以及窗函数对CQT性能的影响。
Performances of CQT and DFT in estimating multinote frequencies and the effect of window function are studied through experiments.
相位频率检测器用温度感测电路调整一个或更多个输出信号的最小脉冲宽度从而补偿温度变化。
The phase frequency detector adjusts the minimum pulse width of the one or more output signals using the temperature sensing circuit to compensate for temperature variations.
作为另一个示例，选择信号的逻辑状态可响应于提供给脉冲频率检测器的电源电压的变化而改变。
As another example, the logic state of the select signal can be changed in response to a change in the power supply voltage provided to the phase frequency detector.
介绍声表面波(SAW)气体传感器原理及其信号处理电路原理，重点设计了传感器的频率检测电路。
The principle of SAW gas sensor and signal processing circuit is discussed, especially a circuit of frequency measurement is designed.
图3是依照本发明实施例的时序图，其图示说明相位频率检测器的DN输出信号中最小脉冲宽度的示例。
FIG. 3 is a timing diagram that illustrates an example of a minimum pulse width in the DN output signal of a phase frequency detector, according to an embodiment of the present invention.
结论：在目前国内无国家标准和行业标准对超声刀驱动频率检测前提下，实现了超声刀频率的定量检测。
Conclusion This paper realizes the quantitative detection of ultrasonic knife frequency without related national standard and industrial standard.
本文介绍建立高频电刀安全保障系统的必要性，以及该系统应具有的输出频率检测，时间检测和自检等功能。
This paper discusses the necessity of setting up the high frequency electrical knife safety system and its functions of the output frequency control, the time control and the self-test.
本文主要介绍了一种应用加速度传感器adxl50设计的新型便携式、低功耗的振动加速度-频率检测装置。
A kind of vibration acceleration - frequency detecting device is described, which is a new style low power consumption handy device based on ADXL50 acceleration sensor.
识别与重构系统是一个相对封闭的系统，为了增强它与指挥者的互动性，本文设计并实现了伪码的频率检测系统。
The recognition and reconstruction system is blocked by itself. To communicate with the commander, frequence detection and showing system have been designed .
本文介绍以TMS320LF2407为核心的可编程信号发生与频率检测器的硬件结构、工作原理与软件流程。
This paper presents the hardware structure, working principle and software flow chart of the programmable signal generator and frequency detector device, which uses TMS320LF2407 as core.
因此，根据温度传感器的原理，提出了一种基于AT90S8535单片机的无线传输的呼吸频率检测计的设计方案。
So in the paper we introduced a design proposal of wireless transmitting breathing rate detector based on AT90S8535 microcontroller in accordance with the principles of temperature sensor.
本文通过对复小波的研究发现复小波变换的相位信息能用于频率检测和谐波分析，提出了基于复小波变换相位信息的频率和谐波检测新算法。
A novel method is proposed in this paper by research on complex wavelet, in which phase information of complex wavelet transforms is used to detect frequency and harmonics.
他表示，检测不同种的蚊子是有可能的，因为它们翅膀扇动的频率有着明显区别。
He says it is possible to detect different species of mosquito because their wings beat with a distinctive frequency.
地基检测器曾尝试在地球上探测引力波，但至今尚未成功，而且其只能检测频率相当高的引力波。
Ground based attempts to detect gravitational waves on Earth have so far been unsuccessful and can only look for gravitational waves with relatively high frequencies.
这种变量的值可以在操作系统检测到更新频率发生变化或操作系统进行频率更改时进行改变。
The values for such variables can change when the operating system detects that the update frequency has changed, or if the operating system initiated the frequency change.
把小型压电声传感器安装到这种构造部位上，检测由航空级铝材裂纹所致的特定频率的噪音，靠这样就能监测飞机裂纹。
It does this by fitting small piezoelectric acoustic sensors to parts of the structure to detect the particular frequency of noise caused by a crack in aircraft-grade aluminium.
利用无线电频率或微波技术进行乳腺癌检测已经被美国、加拿大和英国的研究人员们所证实。
Using radio frequency or microwave technology for breast cancer detection has been proven by researchers in the US, Canada and UK.
结果表明：不检测转子磁链的滑差频率矢量控制系统具有结构简单、控制性能优良等特点。
The result show that the system possesses the features of simple structure and excellent control characteristics etc without detecting the slip frequency of the rotor's magnetic field.
声表面波(SAW)传感器能将被测量转换成容易检测的频率信号，即一种准数字信号的输出。
The surface acoustic wave (SAW) sensor can transform the measured object into frequency output, viz a kind of digital signal output.
在电子技术领域内，频率是一个最基本的参数，频率的检测与许多电气参数的测量都有着十分密切的关系。
In the field of electronic technology, the frequency is basic parameter, frequency of Detection and many of the measurement of electrical parameters have a very close relationship.
分析了复合材料微波检测中电磁参量、电磁波频率和介质薄片厚度的计算方法。
The computation methods of electromagnetism parameters, electromagnetic wave frequency and medium slice thickness in microwave measuring for composite material were analyzed.
在大功率晶体管逆变器——电动机驱动系统中，它不但可用来对电动机电流的波形、相位、幅值和频率进行精细控制，而且能快速地检测出故障电流。
In a drive system of power transistor inverter-motor, not only can it be used in fine control of motor current waveform, phase, amplitude and frequency, but can also be used to sense, fault current.
每个检测项目的检测种类、频率、记录方式、测量设备都必须明确规定。
The type of inspection, frequency, type of documentation and measuring equipment must be defined for each inspection characteristic.
重点介绍激振力和激振频率的检测和处理技术。
Finally presents the detecting and processing technique of exciting power and frequence.
重点介绍激振力和激振频率的检测和处理技术。
Finally presents the detecting and processing technique of exciting power and frequence.
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