frequency counter

基本解釋

One example of a multiple closure would be to route a single device output to two instruments, such as a voltmeter and a frequency counter.
復(fù)用開(kāi)關(guān)的一個(gè)簡(jiǎn)單例子就是將單臺(tái)設(shè)備的輸出連接到2臺(tái)儀器，例如一臺(tái)伏特表和一臺(tái)頻率計(jì)數(shù)器。
In this paper, we choose single chip microcomputer to make a digital frequency counter; meanwhile, direct measurement is taken in practice.
在本次畢業(yè)設(shè)計(jì)中我們選擇使用單片機(jī)來(lái)制作數(shù)字頻率計(jì)，并在實(shí)際制作中采用了直接測(cè)頻法。
blog.sina.com.cn
Full-automatic box folding-gluing machine features stable performance, simple operation, and adopts control by imported variable frequency counter, to achieve stable, accurate and quick production.
全自動(dòng)糊盒機(jī)系列具有性能穩(wěn)定，操作簡(jiǎn)單，采用進(jìn)口變頻計(jì)數(shù)控制，達(dá)到穩(wěn)、準(zhǔn)、快的目的。
www.1x1y.com.cn

But the frequency of terrorist attacks in Russia raises questions about the professionalism of counter-terrorism in Russia.
ECONOMIST: Suicide bombs in Moscow

頻率計(jì)數(shù)器
For the frequency detection circuit, the frequency signals of the two channels are inputted into the SA602A mixer to get the frequency difference, and subsequently read out by the SS7200 frequency counter directly.
在頻率檢測(cè)方法中,兩路信號(hào)被送入混頻器SA602A,然后采用SS7200頻率計(jì)數(shù)器直接得到反應(yīng)敏感薄膜氣敏特性的頻率信號(hào)。
計(jì)頻器

頻率計(jì)數(shù)器
In this paper, I firstly introduce a few knowledge of FPGA such as the structure, peculiarity, design flow and design tools. And my task is to design a random wave generator and a frequency counter.
本次設(shè)計(jì)主要以FPGA為核心，介紹了一些FPDA的基礎(chǔ)知識(shí)如結(jié)構(gòu)特點(diǎn)、開(kāi)發(fā)流程、使用工具等，設(shè)計(jì)的目標(biāo)是任意波形發(fā)生器與頻率計(jì)數(shù)器。
計(jì)數(shù)式頻率計(jì)
頻度計(jì)數(shù)器
頻率計(jì)
計(jì)頻器