signal modulation的例句大全

Correlation between the signal pathway IKK/ NF-κ B and the anti-oxidant activity in asthma rats and the modulation of Ginkgo biloba extract

哮喘大鼠IKK/NF-κB信号通道与抗氧化性的关系及银杏叶提取物的调控

AIM: To investigate the correlation between the signal pathway of IKK/ NF-κ B and the anti-oxidant activity in asthmatic rats and the modulation of Ginkgo biloba extract ( Egb).

目的：探讨哮喘大鼠IKK/NF-κB信号通道与丙二醛（MDA）、还原型谷胱甘肽（GSH）的关系及银杏叶提取物（Egb）的调控。

Starting from the precise pair-wise error probability ( PEP), the joint border of group coding signal error probability ( SEP) in differential unitary space – time ( DUST) modulation is deduced.

从精确成对错误概率（PEP）出发，推导得到了DUST调制群码符号误码率（SEP）的联合边界。

Compared with former amplitude demodulation, digital modulation RIP can obtain more accurate measurements of respiration and reduce the signal interference and distortion.

相对于模拟幅度检测，该设计具有测量精度高，抗干扰能力强等优点。

Endogenous bFGF in Brain Ischemia: Its Expression Modulation and Exogenous bFGF: Its Optimal Administration Time Window Its Signal Transduction

内源性bFGF在缺血性脑组织中的表达和调控及外源性bFGF的应用时间窗口和信号转导机制

This paper, based on the measurement of the impedance-frequency characteristics and attenuation characteristics of the city telephone line network, proposes a method of FDM to transfer carrier signal, such as digital modulation signal, tone carrier signal, etc.

在对市内电话信道阻抗特性、衰耗特性测试的基础上，提出市话线路可采用频分复用的方法传递载波信号，如数字调制信号、语言载波信号等。

In this system, continuously variable slope delta modulation ( CVSD) is used to change the analogy signal into digital, GFM is used to modulate the signal, FDMA, PLL frequency synthesizer.

这种系统采用连续可变斜率增量调制（CVSD）来实现语音信号的编码、GFM调制解调方式、FDMA、PLL频率合成器技术。

LFM Fuze launch the same range of frequency modulation continuous wave signal, and use the substract frequency of the emission signal and the return siganl to determine the distance between the shells with the target.

调频无线电引信发射调频等幅连续波信号，其发射信号的频率按调制信号规律变化，利用回波信号与发射信号的频率差确定弹与目标间的距离。

Receiving Systems The class C amplifier is employed for increasing the modulation of receiving Doppler signal.

为增加接收Doppler信号的调制度，使用了丙类放大。

Infrared absorption methane concentration alarming device is comprised of microcontroller systems, light modulation module, signal conditioning module, digital display module, sound and light alarm module, remote control receiving module, standard output module interface circuit.

该红外吸收式的甲烷浓度报警器由单片机系统、光源调制模块、信号调理模块、数码显示模块、声光报警模块、遥控接收模块、标准频率输出模块等电路组成。

Pulse modulation uses a pulse sequence or a group of digital signal as the carrier wave, and sine wave modulation use high-frequency sin wave.

脉冲调制是用脉冲串或一组数字信号作为载波的调制方式，正弦波调制则是载波为高频正弦信号的调制方式。

The automatic testing system of certain airborne weapon based on PC-DAQ is composed of main control computer, data acquisition and control component, multi-channel signal switching and modulation component, weapon-off-line actuation system.

基于PC-DAQ的机载武器自动测试系统由主控机、数据采集与控制、多路信号切换及调理模块、武器离位激励系统等组成。

Three-phase alternating frequency modulation control signal produced by 8051 CPU is magnified to control the switch of the silicon controlled rectifier in inverse main bridge circuit, thereby constant pressure speed-adjusting is realized.

由8051CPU产生三相交流调频控制信号，经放大来控制逆变主桥路中可控硅晶闸管的通断，从而实现恒压调速。

Control circuit is taking pulse wide modulation circuit as core. By comparison of given signal and feedback signal of overvoltage, get the width-adjustable pulse signal for regulating output of welding power source so as to realize the colsed-loop control to arc-welding inverter.

控制电路以脉宽调制电路为核心，通过电压给定信号和反馈信号的比较，获得宽度可调的脉冲信号，调节焊接电源的输出，并实现对弧焊逆变器的闭环控制。

realization for orthogonal signal and general amplitude modulation signal based on cpld

基于CPLD的正交及程控调制信号的实现

the analog unit performs four tasks, the sensor signal conditioning, ad/ da, modulation of the infrared emitter and control of the heating voltage for figaro sensors.

模拟信号处理单元，完成Figaro气体传感器的信号调理和加热电压控制，红外探测器信号调理，红外光源功率驱动，AD采样和DA输出等功能；电机控制和驱动单元，完成小车电机的功率驱动和控制。

regarding frequency modulated continuous wave signal, the spectral analysis of instantaneous frequency is used to extract modulation parameter.

对于调频连续波信号，对其瞬时频率进行频谱分析来提取调制参数。

the model of bayesian estimation is studied for estimating the modulation parameter of lfm signal and the frequency of sine signal.

推导了一种线性调频信号参数的贝叶斯估计模型，并将其推广到正弦信号载频的贝叶斯估计中。

modulation recognition and parameter estimation is an important field in electronic countermeasures, it also is a rapidly evolving field of signal analysis.

调制样式识别和调制参数估计是电子对抗中的一个重要环节，也是信号分析的一个快速发展的领域。

The Modulation and Demodulation of Baseband MSK Signal Based on DSP

基于DSP的基带MSK信号的调制解调