modulations
英 [ˌmɒdjʊˈleɪʃənz]
美 [ˌmɑdʒəˈleɪʃənz]
网络 自然变化; 调制
双语例句
- Because of limited frequency band of channel, spread spectrum and MFSK modulations can not resolve that high speed transmission is in contradiction with limited frequency band.
当进行高速水下通信时，由于水下信道的频带有限，扩频和MFSK调制方式无法解决高速率信息传输和可利用信道频带窄的矛盾。 - Since wavelet bases as cipher keys are infinite and could be hopped to chose based on different channels, fractal modulations security and the ability of anti-dawning are emphatically expound.
由于作为密钥的小波基任意多，且可根据信道情况在不同的小波基之间跳变，故分形调制具有极强的保密性和抗破译能力。 - Studies on the Mechanisms of Proton and Electron Transport and Their Modulations in Biological Molecules
生物分子荷质传递机理及其调控的理论研究 - On the Relation between the Modulations of Spatial Structure and Industrial Structure; Three theoretics issues should be clarified: firstly, the historical character and future sight;
新一轮的空间结构重组需要澄清三大理论问题：一是空间结构的历史特征与未来景观； - Exact close-form expressions of the outage probability and error rate for the M-ary QAM and PSK modulations and the sum-rate capacity expression for arbitrary numbers of transmit and receive antennas are derived. The analytical results are verified through simulation results.
推导了采用多进制QAM和PSK调制的中断概率和误码率的表达式和渐近形式，以及针对任意数目发射和接收天线的总速率容量表达式，并通过仿真验证了理论分析的正确性。 - Eigenvalue results show that: using HVDC rapid modulations can improve the system damping effectively.
特征值计算结果表明：利用直流快速的调制功能可以有效提高交直流并行输电系统的阻尼，抑制区间低频振荡。 - In this thesis, channel codes and modulations are also compared.
本文还对无线光通信的调制及信道编码方式进行了研究比较。 - Turbulence modulations caused by change of particle size and particle mass loading ratio
颗粒粒径和气载比改变时湍流调制的变化 - Modulations of control parameter on chemical bistable system is investigated by using of parameter modulation method.
采用调整控制参数的方法，实现对化学双稳行为的调制。 - In this dissertation, we mainly study adaptive serially concatenated systems with QAM and CPM modulations based on Turbo codes.
本文主要研究基于Turbo码的，分别利用QAM调制和CPM调制的自适应串行级联系统。