Though analyzing the correlation character of the direct spread sequence,the phase-discrimination curve was given and then the model of PN code tracking loop was built up.
针对无线电导航系统中全数字伪码跟踪环路进行了研究,分析了直接扩频序列的自相关特性,给出了伪码鉴相特性曲线,建立了伪码跟踪环路模型,运用不动点理论对鉴相特性曲线中的非线性区域跟踪性能展开了研究,得到了二阶全数字超前-滞后环的环路特性,给出了跟踪环路稳定的参数设计条件和环路最佳收敛时的参数要求,并对不同参数下的伪码跟踪环路性能进行了仿真。
Pipe system performance curve of air-conditioning VWV chilled water system in operating mode;
空调变水量冷冻水系统运行工况下的管网特性曲线
Calculation of the performance curve for inverter fed asynchronous traction motor;
逆变器供电的异步牵引电机特性曲线的计算
The characteristics of all kinds of gas-lift performance curves were analyzed.
论述了气举区块优化配气的发展现状,分析了各种类型的气举特性曲线,完善了区块优化配气模型,并建立了与区块优化配气模型形式相同的油田优化配气数学模型。
DRAWING OF MAGNIFNDE - PHASE AND LOGARITHM - PHASE - FREQUENCY CHARACTERISTIC OF OPEN - LOOP;
开环幅相频率特性曲线和对数相频特性曲线的完整画法
insertion loss versus frequency characteristic
插入损耗－频率特性曲线
amplitude verssus frequency response characteristic
幅度-频率特性曲线
The imposition of a curved phase characteristic reduces the peak amplitude of the waveform.
曲线形相位特性减小了波形振幅峰值。
In a first approximation, the departure from a constant amplitude vs frequency characteristic will be a characteristics with a linear slop that will vary with time.
采用一级近似,则可认为对频率特性曲线的等幅偏移是一具有时变线性斜率的特性曲线.
Diversity Character Analysis of Space-frequency Coding Under Antenna Correlation
天线相关条件下非相干空频码的分集特性分析
negative characteristic
负特性下降特性曲线
Correlation Analysis between Starch Digestibility and Rapid Viscosity Analyzer Profile Characteristics
淀粉的消化性能与RVA曲线特征值的相关性研究
X-ray tube rating charts
x射线管负荷特性曲线
Measurements of the electrical properties of transmitting tubes-Measuring methods of frequency characteristic curve
GB/T3789.19-1991发射管电性能测试方法频率特性曲线的测试方法
Plotting of volt-ampere characteristics of light bulb and related experiments;
测绘小灯泡的伏安特性曲线和相关的实验
Research on ground fault line detection based on phase-frequency characteristics of transient signals
基于暂态信号相频特性的小电流接地选线研究
A sample plot of the unstable frequency with crank speed is illustrated.
绘制了不稳定频率相对于曲柄速度的样本曲线。
characteristic curve of pump
水泵性能（特性）曲线
bilinear frequency characteristic displaying instrument
双线性频率特性显示仪
transistor characteristics curve tracer
晶体管特性曲线图示仪
light-signal transfer characteristic
光信号转换特性曲线
instantaneous voltage regulation characteristic
瞬时电压调整特性曲线