carrier shift
英 [ˈkæriə(r) ʃɪft]
美 [ˈkæriər ʃɪft]
频移；载频漂移；载频偏移
双语例句
- A type of modulation designed for the carrier to shift between four distinct phases, the four possible phases serve to encode two bits.
用于在载波的四个不同相位间作变换的一种调制方法，用四种可能的相位来表示二位的编码。 - Research on Cascade Multilevel Inverter Triangular Carrier Phase Shift Control
级联式多电平逆变器三角载波移相控制的研究 - Cascaded multilevel inverters which is controlled by triangular carrier phase shift technique is in the leading role of high voltage and high power AC variable frequency speed regulating.
在高压大功率交流变频调速领域，级联式多电平逆变器目前处于主导地位，而三角载波移相控制技术又是其较适合的控制方略。 - The Research and Realization of Carrier Phase Shift Algorithm for the Cells Cascaded High Voltage Inverter
单元级联型高压变频器载波移相算法研究与实现 - There are many control strategy, such as stair waveform, carrier phase shift, voltage space vector and so on.
控制策略有阶梯波法、载波相移法和电压空间矢量法等。 - With the increase in carrier concentration, Burstein-Moss effect is observed with an obvious blue shift of the Absorption edge.
当载流子浓度升高时，吸收边出现明显的Burstein-Moss蓝移效应。 - But both of them are sensitive to carrier frequency shift, further, they have comparative BER under AWGN and Doppler shift environment.
但两者都对载波频率偏移敏感，且在AWGN和多普勒频移环境下表现相当。 - The blind carrier frequency estimation of multi-phase shift keying ( MPSK) signals was discussed.
研究了相位编码信号（MPSK）的载频盲估计算法。 - The different carrier density and layers number of DBR will affect the gain characteristic and the wavelength of the peak gain will shift with the variation of position of the quantum well stacks in active region.
研究了不同载流子浓度、DBR膜层数对增益特性的影响，发现了有源区内量子阱堆位置的改变将导致增益峰值波长移动。 - The trapped charges and generated interface states caused by hot carrier effect lead to curve distortion of C-V characteristics, flatband voltage shift and SiO2 leakage current shift with time under constant voltage.
指出热载流子效应引起载流子陷落和界面态的产生，导致C&V特性曲线畸变、平带电压漂移和恒定电压下SiO2漏电流随时间漂移。 - Some key means are also developed such as capturing the initial phase of Pseudo Noise Code in spread-spectrum mode in the environment of dynamic changes and low SNR, and synchronizing the carrier wave with large Doppler frequency shift.
解决了扩频模式下高动态、低信噪比环境下伪码的初相位捕获和大多谱勒频移环境下的载波同步的实现等关键技术。 - Application of Carrier Phase Shift Technique to High Voltage Inverters
载波移相技术在高压变频器中的应用 - This paper described the hydrothermal synthesis of a carrier for sulfur-tolerant CO shift catalyst for application at high pressure and higher steam/ gas ratio.
本文研究工作是适用于高压、高汽气比耐硫变换催化剂的新型催化剂载体的合成研究。 - The principle of carrier phase shift technique is introduced in this paper, and this technique is used triumphantly in the high voltage inverters which running well.
介绍了载波移相技术的原理，并把该技术成功地用到了高压变频器上，取得了良好的效果。 - Study on the Carrier's Performance of Anti hydration for Sulfur Proof Shift Catalyst
耐硫变换催化剂载体抗水合性能的研究 - To do away with the fussiness of phase when carrier wave recovers in the coherent demodulation of quadrature phase shift keying ( QPSK), the equations are deduced as to how to natural differential coder in the sender and decoder in the receiver.
为了消除四相相移键控（QPSK）调制方式中相干解调时载波恢复存在的相位模糊问题，本文推导了在收发两端所分别插入的自然码差分编译码方程。 - Quality Circle pursuit is quality management movement of a mass character in the staff of all trades and professions, it can play the role of the main carrier in pushing the work forward of quality concept, expanding of application and knowledge main body shift.
QC小组活动是在各行各业普通员工中开展的群众性质量管理活动，在质量概念与应用的拓展和质量知识主体下移中，可以发挥主要载体作用。 - With the analysis of traditional data transmitting method in power line carrier channel, this paper introduces a new transmission device which adopts octal quadrature amplitude modulation instead of frequency shift keying to achieve the requirement of multi-purpose 1 200 bps data transmitting.
通过对传统载波数据传输方式的分析，介绍一种新型电力线载波数据传输装置，采用八进制正交振幅调制替代频移键控调制，实现上音频复用传输1200bps数据。 - In order to overcome the carrier Doppler frequency shift in notable high dynamic environment, the Fuzzy logic controller is introduced in the carrier tracking loop, formed the loop with FLC.
针对高动态环境下显著的载波多普勒频移现象，本文提出了将Fuzzy逻辑控制器引入到载波跟踪环中，构成带有模糊逻辑控制器（FLC）的载波跟踪系统。 - Carrier recovery for continuous phase frequency shift keying coherent detection
相位连续频移键控相干解调载波的提取 - High-dynamic GPS receiver is the receiver that can work properly when the carrier has high Doppler frequency shift which changes with the time.
高动态的接收机指在接收信号的载波附有较高的随时间变化的多普勒频移时仍能正常工作的接收机。 - The traditional uncertainty estimate method is usually based on the valid almanac reckon, however, it can only provide rough range for the uncertainty of pseudo-code phase and carrier frequency shift due to the valid age of almanac data.
受历书数据有效龄期影响，建立在历书数据推算基础上的传统方法只能粗略给出伪码相位和载波频偏不确定范围。 - Carrier Phase Shift SPWM ( CPS-SPWM) is an excellent modulation strategy that suitable for high power switch devices, it can realize the equivalent high switch frequency while working at low switch frequency.
载波移相调制技术（CPS-SPWM）是一种适用于大功率电力开关变流器的优秀调制策略，能够在较低的器件开关频率下实现高等效开关频率的效果。 - Structure and control strategy of VSCs of H-bridge cascaded multilevel inverters are present, the paper researches carrier phase shift PWM control strategy of cascaded multilevel inverters, it can obtain a higher voltage rank and a better power quality.
对基于H桥多电平逆变器的网侧VSC结构及其控制策略进行了研究，采用载波相移PWM控制技术的级联多电平逆变器能提高输出电压等级，提高输出并网电能质量。 - In the wireless communication system, the frequency offset always exists between carrier frequency and local reference, caused by the frequency difference between transmitter and receiver and impact of the Doppler shift.
在无线通信系统中，由于发送设备和接收设备间的频差，以及客户端设备移动所带来的多谱勒频移等影响，使得载波频率与本地的频率之间存在着频率偏移。 - There will be more subcarriers 、 higher carrier frequency and faster mobile speed in the future mobile communication, so the intercarrier interference caused by Doppler shift frequency will be a problem to be solved.
在未来移动通信系统中，载波频率更高，移动速度更快，多普勒频移造成的子载波间干扰将成为一个待解决的难题。 - As a cultural carrier, its rare and fantastic vitality can be sensed. And it even advances and changes vigorously and continuously along with the shift of the times.
它作为一种文化载体，有着罕见的生命力，并随着时代的变迁不断发展和变化，生生不息。 - At the same time, the use of carrier phase shift technology can eliminate the network side of the secondary current harmonics and reduce harm harmonics back to the grid.
采用载波移相技术能够消除网侧二次电流谐波，降低谐波回馈给电网的危害。 - This includes harmonic analysis, coherence between carrier phase shift angle and cascading number, coherence between carrier phase shit angle and output performance.
包括谐波分析，载波移相角与级联个数的关系，移相角的输出性能关系等。