同时可得两种方法估计性能非常接近，且估计性能随信号持续时间和发射功率的增加而改善。
It is shown that the two methods have almost the same performance which improves as the signal duration or total transmitting power increases.
数字化控制器控制软件采用PL/M-96高级语言编程，其中断处理程序用于辩别信号频率、累计每一频率持续时间。
PL/M-96 program language is used as the software of the controller. The signal frequencies are distinguished and the persistence time of the frequency is accumulated with interrupt process routine.
PC032压力传感器：用于柴油发动机进气歧管内绝对压力的检测，向ECU（电控单元）提供信号，实现对发动机喷油持续时间的控制。
PC032 Pressure Sensor: It can test manifold absolute pressure of diesel engine, provide the signal to ECU, then control the lasting time of the fuel injection.
这样收到的信号看起来不再象矩形波，而是受到畸变，并且持续时间延长了。
The signal thus received will no longer look like a square wave but will be distorted in shape and spread out in time.
在该公式中，桩端土的静阻力可以直接从桩顶的加速度信号中获得的桩顶回弹和冲击力持续时间计算得到，并且计算结果和土阻尼无关。
In this method, the static resistance at pile toe can be calculated directly with the rebound at pile top and impulse duration from the acceleration signal at pile top.
讨论了激光脉冲持续时间，激光束宽度对压力信号的影响。
The effect of pulse duration and laser beam dimension on the pressure signal is discussed.
控制器的输入信号为电磁阀升程，控制量是气门开启定时和开启持续时间。
Input signal of controller is solenoid valve lift. Control parameters are valve opening timing and valve open duration.
由于信号的持续时间短，需要采集的数据量大，需要很高的采集频率进行数据采集。
Owing to short duration of the signals and large amount of data, high collecting frequency is needed.
提出了一种改进的快速付立叶变换(MFFT)的计算方法，在采样的持续时间不是信号周期整数倍的条件下，能够准确地提供此信号中各周期分量的特性。
Anew approach, named Modified Fast Fourier Transform (MFFT), is proposed to analyze the components of a periodic signal when sampling duration is not equal to an integer multiple of the fundamentals.
一种暂态信号，通常持续时间很短，且具有陡峭的上升边和下降边。
A transient signal, usually brief and with a discrete onset and offset .
在单个信号脉冲之间的至少一个或多个之前的时段的持续时间被作为对于实时待评估的时间间隔的量度。
The time duration of at least one or more preceding time periods between individual signal pulses is taken as a measure of the time interval which is currently to be assessed.
时间常数：滤波器的时间常数和滤波信号的持续时间相关。
Time constant: the time constant of a filter is the relative duration of signal it will act on.
由于微地震事件的频率高，持续时间短，能量小，随机噪声甚至可以淹没有用的微地震信号。
Microseismic events are characterized by high frequency, short duration, and weak energy. They may even be smeared by random noises.
但由于这一信息非常微弱，且脉冲信号的持续时间很短，多普勒变化率的精确测量也十分困难。
While the information is quite difficult to estimate since it is very subtle and the pulse duration is very short.
对于OFDM信号的每个连续符号持续时间，每个导频子载波信号放在不同的子载波信号位置，以形成滑动导频子载波信号。
Each pilot sub - carrier signal is placed at a different sub-carrier signal location for each successive symbol duration of the OFDM signal to form a sliding pilot sub-carrier signal.
舵机控制程序，舵机的控制信号为周期是20ms的PWM信号，其中高电平持续时间0.5到2。
5ms. -steering control procedure, the servo control signal is 20ms cycle of the PWM signal. margin which lasted 0.5 to 2.5ms.
冬季的侧柏切片，其超声发射信号量和持续时间均比夏季的少，幅度、振铃计数和上升时间差别不大。
The amount of signals and duration were smaller than in summer, and amplitude, rise-time, ringing counts were not very different.
冬季的侧柏切片，其超声发射信号量和持续时间均比夏季的少，幅度、振铃计数和上升时间差别不大。
The amount of signals and duration were smaller than in summer, and amplitude, rise-time, ringing counts were not very different.
应用推荐