方波信号

最后，基于上述硬件电路，对正弦信号、方波信号、三角波信号等其他几种典型的周期信号进行弱信号检测实验研究。

The hardware circuit is debugged and achieved . Finally , base on the above hardware circuit , the sine wave , square wave , triangular-wave and other typical period signals is choose t for the weak signal detection in experimental research .

用构造的一类含特定恢复力项双中强度耦合Duffing振子系统检测色噪声背景中的谐波、方波信号，信噪比分别达到-111·0和-108·45dB。

Moreover , the harmonious wave and square wave signals are detected under the background of colored noise , applying a kind of constructed middle-intensity two coupled Duffing oscillator system including a special resilience force item . The signal-to-noise ratio reaches to - 111.0 ? and - 108.45 ?

采用转换速率更高的比较器芯片将输入的被测信号转换为FPGA芯片能够识别的方波信号，能极大提高测量频率的范围；

Higher-conversion-speed comparator chip is adopted to convert the input signals being measured into square waveform signals which could be identified by FPGA chip ; it can expand the measurement range of frequency dramatically .

针对电容式MEMS器件，设计了一种用来检测微小差分电容的电路，该电路主要有方波信号发生器、相敏解调和低通滤波电路等组成。

A circuit to detect the micro-differential capacitance was designed , which can be successfully applied in the capacitive MEMS devices . The circuit mainly was composed of a generator circuit of rectangle wave , phase sensitive demodulation and low pass filter circuit .

方波信号的傅里叶分解实验

An experiment of Fourier expansion of the square wave signals

方波信号在残留边带滤波调试中应用分析

The Use and Analysis of Square Wave in the Adjustment of Bandpass Filter

方波信号的傅里叶合成演示

Demonstration of Fourier Composition of the Square Wave Signals

方波信号发生器及场效应管驱动器

Square Wave Unit and EFT Drive Unit

方波信号在音频技术中的应用

Applications of Squarewave Signal in Audio Technology

方波信号是数字电路中非常重要的信号源，其产生方法有很多途径。

The squarewave signal is an extremely important source in the digital circuit , which could be produced in many ways .

在此基础上，通过采用单刀双掷电子开关切换两路幅值不同的直流量实现低时延方波信号输出；

On this basis , realizing low delay square wave signal output by Switching two different amplitude DC signals with SPDT ;

用数字电路得到多路相控信号是十分方便的.但是数字电路只能产生方波信号。

It is convenient to obtain multi-channel phased signal with digital circuit , but it can only form the square wave signal .

为了实际测得软件定时器的定时偏差，利用示波器测量软件定时器发出的周期性方波信号，结果显示每次定时周期的误差量在1微秒以下。

To obtain the deviation of the timers , the oscillograph is used to measure the periodic square wave produced by timers . The results of the tests show that the deviation is less than 1 μ s.

提出了一种调制解调式双二次（托氏电路）滤波器，它可直接对以方波为载波的基带信号（方波的幅度信号）进行带通滤波、低通滤波处理。

The paper gives a modulating-demodulating type biquadratic ( Tow-Circuit ) filter . That is a band-pass filter or a low-pass filter to process direct baseband signal ( amplitude of square-wave ) whose carrier is the square-wave .

方波叠加式阶梯信号发生器的原理分析

A new approach to the working principle of the stepped wave generator of the superpositioned square wave

通过具体例子给出了参考输入和干扰信号为阶跃函数、正弦函数、方波函数等典型信号时系统满足稳态误差要求的控制器的设计方法，并给出计算机仿真结果。

The controller design which satisfies the demand of steady state error is presented by examples when the reference inputs and disturbance signals are step functions , sine functions , and other typical signals , and simulation results are given .