调制相的英文

• chopper wheel
• chopping phase

• 调制    mingle; toss; lard; modulate ...
• 相    looks; appearance
• 调制相干性    modulation coherence
• 调制相移角    modulation phase angle
• 脉冲调制相位    sampling phase
• 二进制相位变换调制    binary phase-shift keying (bpsk); binary phaseshift keyingg
• 抑制相    inhibiting phase; inhibitory phase
• 粗制相片    raw picture
• 复制相片    duplicate photograph; photo duplicate
• 控制相关性    control dependence
• 控制相位    control phase
• 十进制相等    decimal equivalent
• 限制相似度    limiting similarity
• 调制    mingle; toss; lard; [电子学] modulate; concoction; modulation 振幅调制 amplitude modulation; 音频调制 audio modulation
• 电压控制相移器    voltage controlled phase shifter
• 二进制相位光栅    binary phase grating
• 二进制相移编码    binary phase shift coding
• 二进制相移键控    bpsk binary phase shift keying
• 线性控制相关源    linear controlled dependent source
• 质量控制相关数据    relative quality control data
• 调制调制器    modulationmodulator
• 调制盘调制    reticle chop
• 差分相干二进制相移键控    dbpsk differentially coherent binary psk
• 二进制相关存器结构    binary-relational storage structure

• The subject realizes frequency hopping technology and gmsk modulation , and realizes communication rate 192kbit / s
  本课题将跳频技术和gmsk调制相结合来实现通信速率为192kbit / s 。
• First , this paper analyses a bicm model and the bicm _ id model based on combination of convolutional code and 8psk modulation , and introduces the principle and key technique
  本文分析了一个基于卷积码和8psk调制相结合的bicm模型和相应的bicm _ id模型,介绍了它们的原理和其中的关键技术。
• Coded modulation technique is a way that combines coding technique with modulation technique to get coding gain in the instance of keeping the power efficiency and frequency efficiency but increasing the complexity of equipment
  解决这一问题的一种有效方法是利用交织技术与编码调制相结合,以此获得在衰落信道下性能的提高。
• Chapter 3 studied the results that come from the combination of the multi - carrier transmission technology and the adaptive multilevel modulation technology in detail , and bringed up to apply the technology to wireless channel transmission . the feasibility and advantage been testified by computer simulink
  第三章详细讨论了多载波传输和自适应多元调制相结合的效果，提出将这种技术应用于无线信道传输的想法并仿真证明其可行性和优越性。
• The performance of tcm over awgn channel is perfect but it is bad over fading channel . there is an effective method to solve this problem that combines interleave technique with coded modulation to get the gain of performance over fading channel . this paper is about a new coded modulation technique ? ? bicm ( bit interleaved coded modulation ) and bicm _ id ( bicm with iterative decoding ) , and their performance of bit error rate in different conditions
  本文研究的就是一种将交织技术与编码调制相结合的新的编码调制方式? ?比特交织编码调制( bicm , bitinterleavedcodedmodulation ) ,和引入迭代反馈译码的比特交织编码调制( bicm _ id , bicmwithiterativedecoding ) ,及它们在不同信道条件下的性能。
• Second , this paper design the simulation scheme of bicm for comparing the performance over fading channel and awgn channel that combine 2 / 3 rate , 4 states punctured convolutional code with 8psk modulation , matching block interleave or random interleave , transform through rayleigh channel or awgn channel and use the way that combine coherent demodulation with viterbi decoding in receiver . design the scheme of bicm _ id that use the iterative decoding technique and the scheme of tcm for compare
  为了验证bicm和bicm _ id在衰落信道和加性高斯白噪声信道( awgn )下的性能,设计了一个2 / 3码率, 4状态的凿孔卷积码经过块交织或随机交织,与8psk调制相结合,在rayleigh信道下或awgn信道下传输,接收端采用相干解调与维特比译码相结合的bicm方案,在接收端引入迭代反馈译码的bicm _ id方案,以及与之相比较的tcm方案。
• Comparison research verifies its effectiveness on reducing the de - link losses and improving the output performance . the three topologies mentioned above are all presented with detailed theoretical analysis , parameters design , simulation and experimental verifications . a 6kw three - phase inverter system is accomplished in order to verify that the two - amplitude control technique is fit for high power application
  第五章研究三相逆变系统的双幅谐振直流环节技术，完成了6kw实验系统，提出了滞环电流控制与空间矢量调制相结合的方案( hcc - svm )并首次采用cpld实现逻辑控制，大大降低了逆变器换流频率，缩短了控制延时，实现了逆变器的高效变换和低输出失真。