方波信号的英文

• bar signal

• "方"英文翻译    square
• "波"英文翻译    wave
• "信号"英文翻译    signal; semaphore; gun
• "甚高频方波信号发生器" 英文翻译 :    vhf square wave generator
• "正弦平方脉冲与方波信号" 英文翻译 :    sine squared pulse and bar signal
• "副载波信号" 英文翻译 :    subcarrier signal
• "回波信号" 英文翻译 :    back echo; echo signals; echoed signal; return signal
• "基波信号" 英文翻译 :    fundamental signal
• "假回波信号" 英文翻译 :    false echo
• "矩形波信号" 英文翻译 :    square signal; square wave signal; squaresignal
• "连续波信号" 英文翻译 :    continuous wave signal; continuous-wave information
• "内载波信号" 英文翻译 :    intercarrier signal
• "平面波信号" 英文翻译 :    plane wave signal
• "微波信号" 英文翻译 :    microwave signal
• "微波信号柱" 英文翻译 :    microwave beacon
• "谐波信号" 英文翻译 :    harmonic signal; shg
• "行波信号" 英文翻译 :    travelling wave signal
• "已检波信号" 英文翻译 :    detected signal
• "杂波信号" 英文翻译 :    clutter signal
• "载波信号" 英文翻译 :    carrier signal; intelligence signal
• "斩波信号" 英文翻译 :    chopping signal
• "正弦波信号" 英文翻译 :    sine wave signal; sinusoidal signal
• "调幅回波信号" 英文翻译 :    amplitude modulated echo signal
• "调频回波信号" 英文翻译 :    frequency-modulated echo signal
• "复正弦波信号" 英文翻译 :    combined sine wave signal

• Detection of weak square signal in strong noise with a chaotic oscillator
  用混沌振子检测淹没在强背景噪声中的方波信号
• In the second part , the discussion focused on the principle of sine wave and square wave correlative phase discrimination principle
  第二部分着重讨论本课题选择的正弦波与方波信号并行相关鉴相测距成像的方法。
• Make a comparison among different driving signals , including square , triangle , sinusoidal and sawtooth wave , it is shown that the square wave has the best driving result and the sawtooth wave has the worst one
  实验还对方波、三角波、正旋波及锯齿波等几种不同的驱动信号产生微射流的效果进行了对比。结果表明方波信号产生的微射流最强，锯齿波产生的最弱。
• The method using square wave excitation presented by the paper is verified by theories and experiments that the method meets the requirement of accuracy , and this method ' s application simplifies manipulations and improve greatly the calibration efficiency
  其中本文提出的方波信号激励的比较校准法，理论和实验证明不仅满足校准精度要求，而且简化操作，大大提高了校准的效率。
• In view of predecessors " research achievements we put forward a method using square wave excitation and the fast furrier transformation ( fft ) to realize the comparison calibration for the calibration system of piezoelectric accelerometer
  在吸收前人研究成果的基础上，文中提出了工作用压电加速度传感器校准系统应用方波信号激励，同时应用快速傅立叶变换( fft )的方法来实现比较法校准。
• Advanced fpga technology is introduced to improve the integration of digital circuits , and all digital circuits in the original module are integrated in the fpga chips , which could not only reduce the cost , but also improve the reliability and measurement precision of the circuits . high speed digital signal processor ( dsp ) is selected as the coprocessor instead of scm ; it can receive all kinds of commands sent from vxi , analyze and execute the commands , harmonize each section of the module and process the data . 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
  本文在原有vxi总线四通道计数器模块的设计基础上,通过对原模块缺陷的分析,采用一些新的技术和新的电子器件来重新设计该计数器模块:采用最新的fpga技术来提高数字电路的集成度,将原模块中的所有数字电路全部集成在fpga芯片中,这样不仅能节约成本,还能提高电路的可靠性和测量精度;采用高速的数字信号处理器( dsp )取代原有的单片机作为协处理器,来接收vxi发来的各种命令,分析命令、执行命令、协调模块各部分的工作以及对数据的处理;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;采用d / a转换芯片和隔离运算放大器得到隔离通道所需的比较电平,该比较电平值能够根据实际需求进行设置,能增强模块的使用灵活性。
• Then , all the function modules are given . finally , a software anti - jamming measure is creatively put forward in chapter 6 , computer simulation of pole - placement self - turning control by using matlab language is presented . then , a real experiment is made to substantiate the efficiency of this pole - placement self - turning control arithmetic , and it ' s result is analyzed
  第六章运用matlab仿真语言对基于极点配置的自校正pid控制算法进行了方波信号输入以及模型变化的仿真，进行了真实实验以进一步验证自校正pid控制算法对于模型变化的适应性，最后对仿真及实验结果进行了分析。
• The principal axis torsion angle , produced by torque , is converted to two channel square waves with phase difference through grating sensor . then the degree of torsion angle is measured by data collection card . finally the value of torque and the other parameters of the axis can be calculated by upper pc
  将主轴受扭矩作用而产生的扭转角，通过光栅传感器转换为两路有相位差的方波信号，再通过数据采集系统检测出扭转角的度数，最后由上位pc机计算出扭矩的大小和主轴的各种参量。
• Comparing with the traditional phase - shifted laser range finder , the method could implement the ranging with multifrequency by using single modulated frequency . it could not only solve the contradiction of the range and the precision , but has high degree of accuracy and wide range , simplify the hardware design , and reduce the cost . this paper introduced the theory of phase distance measurement , analyzed various testing methods and expatiated the hardware and the software for the proposal system
  与传统的相位法测距相比，本方法使用单调制频率实现了多频测距，有效地解决了相位法测距中测程与测量精度之间的矛盾，具有高精度、大量程、大噪声容限的特点，而且简化了硬件设计，降低了成本；其次在数据处理中采用数据加窗函数的方法，提高了方波信号的频谱分辨率，进而提高了测量的精度。