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载波     
相关语句
  carrier
     Cascade H-bridge Multilevel Converter with Carrier Phase-shifted SPWM Technique and Its Application to Active Power Filter
     载波相移级联H桥型多电平变流器及其在有源电力滤波器中的应用研究
短句来源
     Carrier Frequency Offset Estimation Algorithms and Their Performances Analysis in OFDM Systems
     OFDM系统中的载波频偏估计算法及其性能分析
短句来源
     Research on Orientation Determination Technology Using Bi-Satellite System Based on Carrier Phase Interferometry
     基于载波相位干涉测量的双星定向技术研究
短句来源
     Research of Automobile Power Line Carrier Communication Channel Characteristic
     汽车电力线载波通信信道特性研究
短句来源
     Research of Carrier Synchronization and Antenna Array Calibration in Wideband Wireless Communication Systems
     宽带无线通信系统中的载波同步及天线校准研究
短句来源
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  carrier wave
     The Comparison of TCM/8SPSK/IDR and QPSK/IDRon Satellite Carrier Wave Characteristics
     TCM/8PSK/IDR与QPSK/IDR卫星载波特性比较
短句来源
     This design uses EM78P451 to take the keyboard matrix and the correspondence signal code,launches by the 2FSK modulation way the 27M modulated carrier wave signal;
     该设计采用EM78P451作为键盘矩阵和通信的信号编码,以2FSK调制的方式将27 M调制载波信号发射出去;
短句来源
     Design of low voltage power carrier wave communication circuit based on FSK-KQ100 module
     基于FSK-KQ100模块的低压电力载波通讯电路设计
短句来源
     The sine wave output frequency of converter varies from 5Hz to 50Hz, the carrier wave frequency from 600Hz to 1000Hz.
     这种变频器的正弦输出频率为0~50Hz,载波频率为600~1000Hz;
短句来源
     The adsorption behavior of some surfactants, e. g. , DE, DIE, DPE, EQD, GT-1, NJ-45, triethanolamine and anisaldehyde, in 3 N NaOH solution on single crystal zinc electrode and dropping mercury electrode was investigated by means of carrier wave voltage sweep method.
     用载波扫描法研究3N NaOH溶液中某些表面活性剂,例如DE、DIE、DPE、EQD、GT-1、NJ-45、三乙醇胺和茴香醛,在单晶锌电极和滴汞电极上的吸附行为。
短句来源
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  line carrier
     Realizing of I~2C communication with the power line carrier PL2101
     PL2101电力线载波芯片I~2C通信的实现
短句来源
     Automatic Meter Reading System Based on the ES16T Power Line Carrier
     基于ES16T的电力线载波自动抄表系统
短句来源
     Design of Power Line Carrier Communication Interface Based on ST7538
     基于ST7538的电力线载波通信接口设计
短句来源
     The MC13193 ZigBee chip and the SC1128 power line carrier chip are used for networking.
     采用MC13193 Z igBee芯片与SC1128电力线载波芯片组网.
短句来源
     Application of the LM1893 in the Power Line Carrier communication system
     LM1893在电力线载波通信中的应用
短句来源
更多       
  signal carrier
     Amplitude modulation is to control the amplitude of signal carrier and make it change linearly with modulation signals and maintain its frequency.
     幅度调制是用调制信号去控制载波的振幅,使其随调制信号线性变化,而保持载波的频率不变。
短句来源
     The automatic regulation of the carrier level with a wide dynamic range, input level range of signal carrier is 0. 01-1 V. The automatic testing with high sensitivity and low distortion, the distortion is smaller than ±1% , and 2-3 mV to survey the sensitivity.
     宽动态范围载波电平自动调整,输入载波电平范围0.01-1 V; 低失真高灵敏度,低频输出失真≤±1%,实测灵敏度为2-3 mV.
短句来源
     Decision Feedback Loop QPSK Signal Carrier Tracking Technology
     基于判决反馈环路的QPSK信号载波跟踪技术的研究
短句来源
     The features of the tester are automatic tracking of the tested signal within a wide rang of frequency, input frequency range signal carrier 1. 5-2 000 MHz.
     该仪器具有如下特点:宽频率范围测试信号自动跟踪,输入载波频率范围1.5-2000 MHz;
短句来源
     This paper presents an electricity-saving system controlled by Single chip Microcontroller AT89C51 and power line signal carrier.
     设计了1种在单片机AT89C51控制下运行的、利用电力线载波发射控制信号的节电控制系统.
短句来源
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  carrier
In the present study novel carrier, transfersomes were used for topical delivery of tetanus toxoid (TT).
      
The Fe3O4 magnetic fluid was obtained by one-step method with the W/O microemulsion as microreactor to synthesize magnetic nanoparticles (reaction temperature was 30 °C and reaction time was 5 h) and kerosene as carrier liquid.
      
Study on catalyst carrier nano-α-alumina with high specific surface area
      
Furthermore, it is clear that when carrier signal h(t)=0, closed-loop pulse-width modulation (PWM) DC-DC converters are not well posed, and when some condition is satisfied, the closed-loop PWM DC-DC converters with a P controller are well posed.
      
In addition, the equivalent carrier frequency can be doubled and the output harmonics will be reduced compared with the STATCOM being put into operation.
      
更多          
  carrier wave
Amplitude-displacement and phase-displacement equations are deduced for non-ideal carrier wave and inductance parameters.
      
It is demonstrated that a three-level medium can be used to convert the carrier wave frequency without decreasing the signal/noise ratio.
      
The properties of solutions depend strongly on the carrier wave frequency.
      
In both cases, the shape of the pulse corresponding to one carrier wave frequency is shown to depend on the energy of the pulse with the other carrier wave frequency.
      
The results obtained supplement the previously suggested classical description of the propagation of a minority carrier wave across the diode base layer, which disregards the effect of carrier velocity saturation.
      
更多          
  line carrier
The system, which uses a perfusion chamber and an HPLC pump, allowed cells to be stained, fixed, blocked, and washed by injecting each treatment solution into the on-line carrier stream of buffer from the sampling block of the HPLC pump.
      
As a power-line carrier protocol, X10 allows compatible devices to communicate over home power supply electrical wiring.
      
Developed in the 1970's, X10s power line carrier technology can be purchased and installed for less than $20.
      
In the final paper, a power-line carrier modem will be added, and the computer will be replaced with a DSP.
      
In this particular system the communication link takes the form of power line carrier technology, which is explained in the following section.
      
更多          
  signal carrier
As an alternative to classical LP-modes used as a signal carrier in the optical fiber, we propose a superposition of angular harmonics that can be obtained as a special combination of LP-modes, which also shows modal properties in an optical fiber.
      
As an alternative to classical LP-modes used as a signal carrier in the optical fiber, we propose a superposition of angular harmonics that can be obtained as a special combination of LP-modes, which also shows modal properties in an optical fiber.
      
It is shown that the attenuation and fluctuations of reflections increase with the initial-signal duration normalized to the time scale of the medium irregularities and depend on the signal carrier.
      
A high-speed digital signal carrier standard adopted by the Bell System in the US.
      
As transcription is the basis for all higher layers, PoPS is potentially the most widely-usable common signal carrier.
      
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