该频率比较器包括一相位-频率检测器以及一比较模块。
The present invention comprises a phase and frequency comparator and a comparing module.
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.
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.
本发明涉及电子电路，更具体地，涉及生成具有最小脉冲宽度信号的相位频率检测器。
The present invention relates to electronic circuits, and more particularly, to phase frequency detectors that generate signals having minimum pulse widths.
相位频率检测器比较基准时钟信号和反馈时钟信号从而在一个或更多个输出信号中生成脉冲。
A phase frequency detector compares a reference clock signal to a feedback clock signal to generate pulses in one or more output signals.
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.
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.
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.
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.
只要输入信号落在检测器的频率范围内，则功率计就能给出准确的的功率。
If the input signal is anywhere in the frequency range of the detector, the meter will make a valid power measurement.
利用简单的电路构成实时相位检测器，对干涉信号中的相位信号进行同步检测，最终获得实际振动的振幅频率。
The real time phase detector is constructed with a simple circuits. The amplitude and frequency of the vibrations are measured by synchronously detecting the phases in interference signal.
文中给出了一个由惠斯登电桥、积分器、过零检测器等组成的电阻-频率转换器。
In this paper, a resistance - to - frequency converter consisting of a Wheatstone bridge followed by an integrator and a comparator is described.
目前国内外电厂使用的多为光电式火焰检测器，其原理是分析火焰燃烧时辐射光的强度或闪烁频率。
Nowadays, the photoelectric flame detector is widely used in the power plants. The principle is to analyze the intensity or flicker frequency of radiation.
本文描述一种滑窗式检测器的积累技术。用这种技术可以提高频率捷变雷达抑制海浪杂波的能力。
This paper describes a kind of accumulation technology for slide-window detector in frequency-agile radars to restrain sea clutter more efficiently.
车辆通过环形线圈检测器时，车体物质与环形线圈相互作用改变了线圈的谐振频率，从而形成频率变化曲线。
When vehicles passing ring coil detector, the interaction of vehicle body's substance and ring coil changes resonant frequency of the ring coil and forms a curve of frequency variation.
着重论述空间滤波检测器的基本原理和热电偶空间滤波器空间频率特性的数学推导及分析。
The fundamental principle of spacial filling, mathematical descriptions and analyses of thermocouple spacial filter are given.
着重论述空间滤波检测器的基本原理和热电偶空间滤波器空间频率特性的数学推导及分析。
The fundamental principle of spacial filling, mathematical descriptions and analyses of thermocouple spacial filter are given.
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