phase-frequency中文是什么意思

发音:

中文翻译
造句

相频

phase n. 1.形势，局面，状态；阶级。 2.方面，侧面。 3 ...
frequency n. 1.屡次，频仍，频繁。 2.(脉搏等的)次数，出现 ...
phase frequency 相位频率
fpl frequency phase lock 频率锁相
frequency and phase processing parts 频率相位处理器件
frequency modulation phase modulation 调频调相
frequency phase characteristic curve 频率相位特性曲线
frequency phase lock 频率锁相
frequency-dependent phase delay 频率相关相位延迟
frequency-dependent phase distortion 频率相关相位畸变
frequency-phase characteristic 频率相位特性曲线; 相频特性
log phase-frequency characteristics 对数幅相图; 对数相频特性
phase coherent carrier frequency 相位相干载波频率
phase cross over frequency 相位交界频率
phase crossover frequency 相位交点频率
phase delay difference frequency 差频相位延迟
phase frequency characteristic 相位频率特性
phase frequency characteristics 相频特性
phase frequency curve 相频曲线
phase frequency distortion 相位频率畸变; 相位频率失真
phase frequency equalizer 相位频率均衡器
phase frequency response characteristic 相位频率响应特性
phase frequency spectrum 相位频谱
phase locked frequency discriminator 锁相鉴频器
phase oscillation frequency 相振荡频率

"查查词典"手机版

千万人都在用的超大词汇词典翻译APP

例句与用法

Log phase - frequency characteristics
对数相频特性
Phase - frequency response characteristic
相频特性
Phase - frequency characteristics
相频特性
It can be used to measure the amplitude - frequency characteristic and phase - frequency characteristic of the unknown network , and give the real - time the transmission - characteristic measurement of the unknown network
运用扫频技术的频率特性测试仪可以对被测网络进行快速的动态测量,得出被测网络传输特性的实时测量结果。
There are functions such as drawing the chart of amplitude - frequency and phase - frequency , calculating and displaying the highest peak value , the total sum of amplitude and the effective line - breadth of the signal in the program . so an effective technical means is supplied for the analysis of ultrasonic signal
软件系统具有幅频图及相频图的绘制、最高峰值、谐波系数及有效谱宽度的计算及显示等功能，从而为超声信号的频谱分析提供了极其有效的技术手段。
Thirdly , the wire size variations , vertical balance , insulation and joint features on adsl lines will affect the insertion loss and introduce additional noise , thus reducing the transmission rate and degrading the transmission performance . fourthly , the bridge tap on the adsl line will greatly change the frequency response and phase - frequency features of the line insertion loss
第三，线对线径的改变、线路的纵向平衡性、线路的绝缘性能和线路接头的性能将影响线路的插入损耗、引入附加噪声，从而降低adsl的传输速率，影响adsl的传输性能。
It really provides convenience to evaluate and optimize the design result . 3 ) vibration analysis has been fulfilled by calling some math libraries and graphic libraries in matlab to plot graphics such as velocity - time , displacement - velocity , step response , impulse response , gain - frequency and phase - frequency . we can know the capabilities of the spring system from the graphics
3 、在matlab环境下调用相应的数学函数库和图形库对设计的弹簧进行分析，绘制弹簧加载后系统的速度-时间响应曲线、速度-位移响应曲线、阶跃响应曲线、脉冲响应曲线、增益-频率响应曲线和相角-频率响应曲线，根据曲线来分析系统的各项性能。
The traditional analog frequency - sweeping instrument , which mostly uses the lc circuit as the frequency oscillator , is more expensive , too much bigger and heavy to carry . it can only display the curve of amplitude - frequency , but ca n ' t used to measure the phase - frequency , and ca n ' t used to print the curve of frequency response characteristic either . it brings many discommodity to the user
传统的模拟式扫频仪大多是用lc电路构成扫频振荡器,它不仅价格昂贵,体积庞大,而且只能显示幅频特性曲线,不能得到相频特性曲线,更不能打印被测网络的频响曲线,给使用者带来诸多不便。
The main contribution of the thesis is seen as follows : aiming at the fault with slow speed and high power dissipation of the conventional phase - frequency detector , a high speed and low power dissipation phase - frequency detector is designed by modifying the structure of the single phase lock dynamic d flip - flop and adding the delay cell in the feedback loop to eliminate the phase detector ’ s dead zone effectively
论文的主要贡献为以下几个方面: 1 .针对传统鉴频鉴相器速度慢、功耗高的缺点,改进了单相时钟动态d触发器的结构,设计出了一种高速低功耗的鉴频鉴相器,在反馈回路上加入延迟单元,能有效的消除鉴相死区。
The small - signal model in main circuit are built by using average circuit model . the relationship of each small signal and efficiency duty cycle are described completely . magnitude - frequency characteristics and phase - frequency characteristics of each main transfer function are got
本文分析了全桥移相zvspwmdc - dc变换器的基本原理，运用平均等效电路法建立了主电路小信号模型，并详细分析了各小信号变量与有效占空比之间的关系，得到了各主要传递函数的幅度和相位频率特性。