English translation for "扩展码"
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- extended code
extension code
Related Translations:
扩展形式: extend typestretched form 扩展版: black hawk down extended cutunderworld 词汇扩展: vocabulary development
- Example Sentences:
| 1. | Experimental results of computer simulation also show that it can get very high spectrum efficiency
计算机仿真证明了该方法设计的cdma扩展码性能的优越性。 | | 2. | Absolute minimal trellis complexities of extended codes and their dual codes of two types of linear block codes whose code length is odd are given
给出了两类奇数码长线性分组码的扩展码及其对偶码的绝对最小网格图复杂度。 | | 3. | As to cyclic codes over finite chain rings , we study their stucture and develop the fourier transform method to finite chain rings . the permutation groups of cyclic codes and their extended codes are investigated using their mattson - solomn polynomials
对于有限链环上的循环码，我们研究了它们的结构，并把傅立叶变换的方法推广到有限链环，用循环码的mattson - solomn多项式对循环码及其扩展码的置换群进行了研究。 | | 4. | In this paper , after introduction of the code division multiple access ( cdma ) and orthogonal multicarrier ( mc ) technique , the system model of mc - cdma is analyzed and the bit error rate ( ber ) performance in downlink and uplink channel is shown in awgn channel by computer simulation
本文在码分多址技术和正交多载波技术原理基础上，分析了高斯白噪声信道中多载波码分多址( mc - cdma )系统的数学模型，并且使用不同的扩展码对下行信道和上行信道误码率性能分别作了计算机仿真分析。 | | 5. | This dissertation researches on wavelet theory applied to information transmission , including cdma spreading code design , waveform coding in digital modulation , over - saturated multi - access communication , diversity techniques for multi - path fading channels , and peak - to - average power ratio ( papr ) reducing methods for the wavelet packet modulation signals , etc .
本文以子波理论为工具，较深入地研究了信道传输方面的几个问题，内容包括cdma扩展码的设计、数字基带波形成形技术、过饱和多址通信、克服衰落的分集技术和减小子波包调制信号的峰值功率/平均功率比值的方法等。 | | 6. | The concept of good codes and proper codes for both error detection and correction is presented . it is shown that the binary perfect codes and the primitive double - error - correcting bch codes and their extended codes are proper for both error detection and correction . the primitive triple - error - correcting bch codes with length 2 " " - 1 and their extended codes are proper for odd m > 5 , not for even m > 6
本文的主要工作是把目前关于只检错时线性码不可检错误概率的研究推广到同时纠错和检错的情况，获得了同时纠检错时线性码不可检错误概率的解析表达式，提出了纠检错好码和最佳纠检错码的概念，并证明了二进制完备码及其扩展码是最佳纠检错码；纠正两个错误二进制本原bch码及其扩展码是最佳纠检错码；码长n = 2 ~ m - 1 、纠正三个错误本原bch码，当m为大于等于5的奇数时是最佳纠检错码；当m为大于等于6的偶数时，不是最佳码。 | | 7. | The major contributions of the dissertation are as follows : 1 . it is well known that the multi - value cdma spreading codes can be designed by means of a pair of mirror multi - rate filter - banks based on some optimizing criteria . the dissertation indicates that there exists a theoretical bound in the performance of its circular correlation property , which can be described by an explicit expression . based on this analysis , a criterion of maximizing entropy is proposed to design such codes
研究了基于两带镜像多速率滤波器组来设计的多值cdma扩展码的方法，并推导出了基于这种方法设计的码序列在循环相关特性方面所能达到的极限，以及达到此理论极限时应满足的条件；在此基础上，提出了一种基于熵最大化准则来产生cdma扩展码的设计方法。 |
- Similar Words：
- "扩展量程仪表" English translation, "扩展裂纹" English translation, "扩展流" English translation, "扩展率" English translation, "扩展轮廓" English translation, "扩展锚定" English translation, "扩展贸易" English translation, "扩展门" English translation, "扩展面" English translation, "扩展面换热器" English translation
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