channel equalization造句
例句與造句
- Study on channel equalization based on rbf networks
網(wǎng)絡(luò)信道均衡器 - Channel equalization for ieee 802 . 16 single - carrier modulation systems
16單載波調(diào)制系統(tǒng)的信道均衡技術(shù) - Since the underwater channel is nonstationary and the fades is frequency - selective , it is hard to use the real - time channel equalization technology
傳統(tǒng)的串行通信為了保證數(shù)據(jù)的可靠傳輸，必須實(shí)時(shí)地進(jìn)行自適應(yīng)的信道均衡。 - Based on the above investigation an improved cyclic prefix based channel equalization algorithm is proposed . simulation results show it ' s feasible
對(duì)利用循環(huán)前綴進(jìn)行信道估計(jì)的方法提出改進(jìn)，提高了信道估計(jì)的性能，仿真結(jié)果證明這種改進(jìn)是有效的。 - This technology combines the frequency orthogonality of ofdm to cdma code design for grouping the codes and allows a significant reduction for the calculations in channel equalization
運(yùn)用ofdm中的頻率正交的概念將cdma碼進(jìn)行分組，從而大大降低信道均衡的計(jì)算復(fù)雜度。 - It's difficult to find channel equalization in a sentence. 用channel equalization造句挺難的
- Blind equalization is a technique that do not need training data and can do the job of channel equalization with only the knowledge of statistics of received signal
盲均衡技術(shù)是一種不需要發(fā)射機(jī)發(fā)送訓(xùn)練序列，只需已知信號(hào)的一些基本統(tǒng)計(jì)特性就能對(duì)信道進(jìn)行均衡的一種特殊的均衡技術(shù)。 - In the end , the principle of multi - channels equalization is studied . according to the performance of gain - and - phase errors in the receivers , a simple and efficient method is put forward
在本文的最后分析了多天線(xiàn)、多接收通道間幅相不一致性的均衡原理，根據(jù)接收機(jī)對(duì)信號(hào)幅相不一致性特性的分析，提出簡(jiǎn)易可行的頻域補(bǔ)償方法。 - In chapter 2 the principle of modulation techniques and channel equalization are introduced . simulation results are presented to illuminate the characters of gmsk modulation signal . then the channel equalization problem is advanced
第二章介紹了信道編碼及信道均衡的基本原理，主要針對(duì)gmsk調(diào)制信號(hào)的特點(diǎn)和gmsk碼復(fù)信號(hào)調(diào)制進(jìn)行了仿真，引出了信道均衡的問(wèn)題。 - Channel equalization theory is presented in detail , together with adaptive equalization and blind equalization techniques . then , one of the most important measures on the performance of equalizers is introduced in the thesis
論文詳細(xì)介紹了信道均衡原理，概要地?cái)⑹隽俗赃m應(yīng)均衡，并且著重闡述了盲均衡，介紹了兩種常用的線(xiàn)性濾波器結(jié)構(gòu)，給出了評(píng)判均衡器工作性能的重要指標(biāo)。 - At the same time , an example about lms algorithm in channel equalization is applied to illuminate how to combine matlab programming code in lab view . the result show that this method is efficient and easy and it ' s a good way to expand lab view functions
同時(shí)以實(shí)現(xiàn)信道均衡lms算法為例介紹了labview調(diào)用matlab程序代碼的途徑，實(shí)踐證明，該方法高效、易行，是擴(kuò)展labview功能的一條很好的途徑。 - Turbo codes make full use of the modern coding principles such as concatenated coding , soft input soft output decoding and iteration decoding , in which iteration approach has been applied in many fields like channel equalization , detection of interference between symbols as well as multiuser detection
Turbo碼充分利用了現(xiàn)代信道編譯碼思想，如級(jí)聯(lián)編碼、軟輸入輸出譯碼和迭代思想等。其中迭代思想已廣泛用于信道均衡、碼間串?dāng)_和多用戶(hù)檢測(cè)等領(lǐng)域中。 - In chapter 3 a complex - valued neural network method for adaptive complex communication channel equalization is applied . after comparing the equalization result of gmsk and 4 - qam signal , it shows that the method is effective when gmsk signals pass the complex communication channel and such structure can save the hardware source
第三章進(jìn)一步引申第二章的內(nèi)容，采用了一種復(fù)神經(jīng)網(wǎng)絡(luò)的自適應(yīng)均衡的方法，通過(guò)比較gmsk和4 - qam信號(hào)的均衡結(jié)果，表明這種方法對(duì)gmsk信號(hào)通過(guò)復(fù)信道均衡的有效性，并且所采用的結(jié)構(gòu)可以節(jié)省硬件資源。 - Based on the characteristics of the underwater acoustic channel and channel equalization theory mentioned above , this thesis focuses on the sato and the cma blind equalization algorithms , both of which belong to the bussgang class algorithm . with the work of a lot of computer simulations , the performances of these two algorithms are surveyed from the aspects of equalizer - tap initialization scheme , step - size of the blind algorithms , the order of equalizer , and the signal - to - noise ratio
在水聲多徑信道特性和信道均衡原理的基礎(chǔ)上，本文研究了bussgang盲均衡算法中的sato算法和cma算法，通過(guò)大量的計(jì)算機(jī)仿真工作，采用sato盲算法和cma盲算法對(duì)信道進(jìn)行均衡，分別從均衡器的抽頭初始化方案、盲均衡算法的迭代步長(zhǎng)和均衡器的階數(shù)以及信噪比幾個(gè)方面入手，對(duì)sato 、 cma盲均衡算法的性能進(jìn)行了研究。 - With the development of dsp chip techniques and the introduction of some mature techniques , such as fft / ifft , the application of 64 / 128 / 256 qam in high - speed modem , tcm , adaptive channel equalization , the insertion of guard interval and so on , people are starting to focus on the application of ofdm in the field of mobile communications
隨著dsp芯片技術(shù)的發(fā)展，傅立葉變換反變換、高速modem采用的64 128 256qam技術(shù)、柵格編碼技術(shù)、軟判決技術(shù)、信道自適應(yīng)技術(shù)、插入保護(hù)時(shí)段、減少均衡計(jì)算量等成熟技術(shù)的逐步引入，人們開(kāi)始集中越來(lái)越多的精力開(kāi)發(fā)ofdm技術(shù)在移動(dòng)通信領(lǐng)域的應(yīng)用。 - These good qualities of spread spectrum technique also make it has good prosperity of application in underwater communication , such as identification between enemy ' s fleets and ours , distance measurement , navigation and orientation etc . this paper explores underwater spread spectrum communication primarily and realizes the underwater applications of doppler frequency search , channel hold , channel equalization and so on successfully
如潛艇通信、水下機(jī)器人遙控、測(cè)距、導(dǎo)航和定位等。本課題對(duì)水下擴(kuò)頻通信技術(shù)進(jìn)行了初步的研究。成功實(shí)現(xiàn)了多譜勒頻率搜索、信道跟蹤和保持、多徑分集等關(guān)鍵技術(shù)在水下的應(yīng)用。
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