对采用方波频率调制数字闭环谐振型光纤陀螺中克尔效应的影响进行了深入的理论分析。
The influence of Kerr effect to close-loop digital resonator fiber optic gyroscope based on square-wave frequency modulation was analyzed in theory.
方波电源是采用数字技术的脉冲电源，具有相位严格、频率稳定度高，抗干扰能力强等独特的优点。
The square wave source is an impulse source in which digital technique is used. It has the advantages of rigid phase, high frequency stabilization and high antijamming.
在相同电压及频率下，方波信号激励下的输出灵敏度最大，其次为正弦波，锯齿波最小。
With the same voltage and frequency, bar signal has the highest sensitivity and next the sine, the least sawtooth.
应用中断控制技术测量不同频率方波信号的脉冲宽度。
The pulse width measuring of the different frequency square wave signals was done by using interrupt control technology.
音节有不同频率的方波产生，利用定时器控制方波的频率。
Syllable with a different frequency square wave, square wave of the frequency control timer.
用高温晶体震荡器、分频器和反向器形成新的工作所需的工作频率逻辑方波，以提高工作频率精度和温度的稳定性；
High temperature oscillator, divider and inverter produce logic square wave for working frequency so that precise frequency and stable temperature are achieved.
采用直接数字合成（DDS）技术构建双路正弦波及同步方波发生器，实现幅值、频率、相位等连续调节；
Based on DDS technique, the signal generator can create two signals, i. e. the sinewave and the square wave signals, and its amplitude, frequency and phase can be continuously adjusted.
它不仅可以测量正弦波、方波、三角波、尖脉冲信号和其他具有周期特性的信号的频率，而且还可以测量它们的周期。
It can measure not only the sine wave, square wave, triangle wave, a sharp pulse but also can measure other characteristics of the signal wave.
在对方波频谱进行数学分析的基础上，结合硬件条件选择恢复波形的采样频率。
Based on the analysis of spectrum of pulsed wave, the sampling frequency is selected according to the performance of hardware.
在PW M脉宽调制的软件实现方法上，提出了线性积分比较法，大幅提高了脉宽调整方波的频率。
Linear integral compare method was proposed to realize PWM square wave, which can increase the wave frequency.
此信号发生器可以方便输出正弦波、方波和指数波等各种不同波形的信号，输出信号的频率和幅值等参数可通过前面板控制。
Different signals such as sine waveform, step waveform and exponential waveform are available. Its frequency and phase can be adjusted precisely through the front panel.
此方法利用直接数字合成技术完成对方波的频率和振幅的调整。
Direct digital synthesis is used for modulating the frequency and amplitude of the square wave.
结果表明：方波和正弦波调幅磁场的感应热功率都与调幅波频率无关。
The results show that the induction heat power of magnetic field amplitude-modulated with sine wave and square wave is unrelated to the frequency of modulating wave.
结果表明：方波和正弦波调幅磁场的感应热功率都与调幅波频率无关。
The results show that the induction heat power of magnetic field amplitude-modulated with sine wave and square wave is unrelated to the frequency of modulating wave.
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