MPSK-OFDM,un-coded MPSK?OFDM,音标,读音,翻译,英文例句,英语词典

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1) un-coded MPSK?OFDM 点击朗读

MPSK-OFDM

2) orthogonal frequency division multiplexing(OFDM) 点击朗读

OFDM

Combining the adaptive bit and power allocation with spacial diversity,an orthogonal frequency division multiplexing(OFDM) scheme is described in this paper combined with space time coded transmit diversity for frequency selected fading channel.

将自适应比特功率分配技术与空间分集技术结合起来,提出了一种与空时编码结合的固定速率自适应正交频分复用(OFDM)方案。

Orthogonal Frequency Division Multiplexing(OFDM)is a very attractive technique for high-bit-rate wireless communication in a multi-path fading environment.

OFDM是一项能有效对抗高速无线通信中多径衰落的关键技术,为了进一步提高OFDM系统的误码性能,许多信道编码技术已被应用于OFDM系统中,二元域LDPC码以其近香农限的误码性能和较低的译码复杂度成为研究的热点。

A resource allocation algorithm is proposed to improve the frequency efficiency and computational efficiency of orthogonal frequency division multiplexing(OFDM) systems with low signal-to-noise ratios(SNR).

为了提高OFDM系统在平均信噪比较低条件下的系统性能,提出一种新的资源分配算法。

更多例句>>

3) Orthogonal Frequency Division Multiplexing (OFDM) 点击朗读

OFDM

Orthogonal Frequency Division Multiplexing (OFDM) is a special multi-carrier communication system, which is extremely sensitive and vulnerable to synchronization errors.

OFDM系统是一种特殊的多载波通信系统,它对同步的要求特别高,同步不准确会很大程度地影响系统的性能。

This paper proposes a novel channel estimation method for wireless Orthogonal Frequency Division Multiplexing (OFDM) systems.

该文提出了一种新的信道估计算法,用于无线移动信道下的正交频分复用(OFDM)系统。

Orthogonal Frequency Division Multiplexing (OFDM) technique has been considered as one of the cutting edge techniques in 4G mobile communication because it can combat multipath fading and achieve high data rate.

正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM)技术由于具有强大的抗多径衰落能力和较高的数据传输速率，被普遍视为第四代移动通信技术中的核心技术。

更多例句>>

4) orthogonal frequency division multiplexing 点击朗读

OFDM

In our opinion,the simplification of base-band transmission for OFDM(orthogonal frequency division multiplexing) underwater acoustic communication is both desirable and possible.

分析了水声通信中最佳频率的选取,提出了低载波频率条件下,通过频率映射,用一对IFFT/FFT运算直接将待发序列调制到载频上的OFDM水声通信基带传输实现方法,该方法可避免发射机的载频调制、接收机的解调及载波同步,简化了发射接收机结构。

A non-data-aided(NDA) method without the pilot signals is proposed for the residual frequency offset(RFO) in orthogonal frequency division multiplexing(OFDM) systems,by using the rotation property of OFDM signals in time domain and the phase offset in frequency domain.

针对高速正交频分复用(Orthogonal frequency division multiplexing,OFDM)系统,提出了一种新的非数据辅助(Non-data aided,NDA)载波残余频偏(Residual frequency offset,RFO)跟踪方法。

An optimal post-inverse discrete Fourier transform(POST-IDFT) multidimensional beamforming is presented for space-time block coding-orthogonal frequency division multiplexing(STBC-OFDM) systems in stationary random fading channels.

提出了适用于平稳随机的频率选择性衰落信道下的空时分组码-正交频分复用(Space-time block coding-Orthogonal frequency division moltiplexing,STBC-OFDM)系统的后-逆离散傅立叶变换(POST-IDFT)多波束形成技术。

更多例句>>

5) MC-MPSK(multi carrier-multi phase shift keying) 点击朗读

MC-MPSK

6) M-ary phase shift keying/M-ary quadrature amplitude modulation 点击朗读

MPSK/MQAM

Then,a new multistage blind subtractive clustering algorithm is used to identify the two different classes of modulation formats(MPSK/MQAM(M-ary phase shift keying/M-ary quadrature amplitude modulation)) and to determine the number of the signal constellation points as the result of the modulation classification.

提出了一种新的多径信道中的MPSK/MQAM(M-ary phase shift keying/M-ary quadrature amplitudemodulation)调制识别算法。

补充资料：Benzo Brown MC(拜耳)

分子式：C29H19N5Na2O7S
分子量：627.56
CAS号：暂无

性质：棕褐色粉状物。溶于水呈深红棕色溶液，溶于乙醇呈棕红色，溶于溶纤素为红棕色，微溶于丙酮，不溶于其他有机溶剂，遇浓硫酸中呈紫色，稀释后呈淡红色棕色沉淀；遇浓硝酸呈橙棕色。其水溶液加浓盐酸呈深棕色，加浓氢氧化内液呈橙棕色。对纤维素纤维染色，染料吸尽性较好，温度在60-80℃亲合力最大。拔染性好，染后用硫酸铜处理，可提高其染色坚牢度。

制备方法：由联欢苯胺重氮化后，与水杨酸及γ酸进行双偶事，而后经盐析、过滤及干燥而得。原料消耗（kg/t）联苯胺（100%） 138γ酸（100%） 167水杨酸（工业） 110亚硝酸钠 110盐酸（31%） 122纯碱（工业） 340氢氧化钠（100%） 12

用途：主要用于棉、麻、粘胶等纤维素纤维织物的染色，也可用于蚕丝、锦纶及其混纺织物的染色，除章独使用外，并适用于拼染烟色和咖啡色。还可用于纸张、皮革的染色，及制造色淀颜料用。

说明：补充资料仅用于学习参考，请勿用于其它任何用途。

参考词条

ST-OFDM OFDM-CDMA OFDM-IDMA DFTS-OFDM MPSK调制信号 MPSK调制符号多相移相键控(MPSK)

MPSK信号 MPSK解调 MPSK软解调 TDA-OFDM

说明：双击或选中下面任意单词，将显示该词的音标、读音、翻译等；选中中文或多个词，将显示翻译。
	您的位置：首页 -> 词典 -> MPSK-OFDM 1) un-coded MPSK?OFDM MPSK-OFDM 2) orthogonal frequency division multiplexing(OFDM) OFDM 1. Combining the adaptive bit and power allocation with spacial diversity,an orthogonal frequency division multiplexing(OFDM) scheme is described in this paper combined with space time coded transmit diversity for frequency selected fading channel. 将自适应比特功率分配技术与空间分集技术结合起来,提出了一种与空时编码结合的固定速率自适应正交频分复用(OFDM)方案。 2. Orthogonal Frequency Division Multiplexing(OFDM)is a very attractive technique for high-bit-rate wireless communication in a multi-path fading environment. OFDM是一项能有效对抗高速无线通信中多径衰落的关键技术,为了进一步提高OFDM系统的误码性能,许多信道编码技术已被应用于OFDM系统中,二元域LDPC码以其近香农限的误码性能和较低的译码复杂度成为研究的热点。 3. A resource allocation algorithm is proposed to improve the frequency efficiency and computational efficiency of orthogonal frequency division multiplexing(OFDM) systems with low signal-to-noise ratios(SNR). 为了提高OFDM系统在平均信噪比较低条件下的系统性能,提出一种新的资源分配算法。更多例句>> 3) Orthogonal Frequency Division Multiplexing (OFDM) OFDM 1. Orthogonal Frequency Division Multiplexing (OFDM) is a special multi-carrier communication system, which is extremely sensitive and vulnerable to synchronization errors. OFDM系统是一种特殊的多载波通信系统,它对同步的要求特别高,同步不准确会很大程度地影响系统的性能。 2. This paper proposes a novel channel estimation method for wireless Orthogonal Frequency Division Multiplexing (OFDM) systems. 该文提出了一种新的信道估计算法,用于无线移动信道下的正交频分复用(OFDM)系统。 3. Orthogonal Frequency Division Multiplexing (OFDM) technique has been considered as one of the cutting edge techniques in 4G mobile communication because it can combat multipath fading and achieve high data rate. 正交频分复用(Orthogonal Frequency Division Multiplexing，OFDM)技术由于具有强大的抗多径衰落能力和较高的数据传输速率，被普遍视为第四代移动通信技术中的核心技术。更多例句>> 4) orthogonal frequency division multiplexing OFDM 1. In our opinion,the simplification of base-band transmission for OFDM(orthogonal frequency division multiplexing) underwater acoustic communication is both desirable and possible. 分析了水声通信中最佳频率的选取,提出了低载波频率条件下,通过频率映射,用一对IFFT/FFT运算直接将待发序列调制到载频上的OFDM水声通信基带传输实现方法,该方法可避免发射机的载频调制、接收机的解调及载波同步,简化了发射接收机结构。 2. A non-data-aided(NDA) method without the pilot signals is proposed for the residual frequency offset(RFO) in orthogonal frequency division multiplexing(OFDM) systems,by using the rotation property of OFDM signals in time domain and the phase offset in frequency domain. 针对高速正交频分复用(Orthogonal frequency division multiplexing,OFDM)系统,提出了一种新的非数据辅助(Non-data aided,NDA)载波残余频偏(Residual frequency offset,RFO)跟踪方法。 3. An optimal post-inverse discrete Fourier transform(POST-IDFT) multidimensional beamforming is presented for space-time block coding-orthogonal frequency division multiplexing(STBC-OFDM) systems in stationary random fading channels. 提出了适用于平稳随机的频率选择性衰落信道下的空时分组码-正交频分复用(Space-time block coding-Orthogonal frequency division moltiplexing,STBC-OFDM)系统的后-逆离散傅立叶变换(POST-IDFT)多波束形成技术。更多例句>> 5) MC-MPSK(multi carrier-multi phase shift keying) MC-MPSK 6) M-ary phase shift keying/M-ary quadrature amplitude modulation MPSK/MQAM 1. Then,a new multistage blind subtractive clustering algorithm is used to identify the two different classes of modulation formats(MPSK/MQAM(M-ary phase shift keying/M-ary quadrature amplitude modulation)) and to determine the number of the signal constellation points as the result of the modulation classification. 提出了一种新的多径信道中的MPSK/MQAM(M-ary phase shift keying/M-ary quadrature amplitudemodulation)调制识别算法。补充资料：Benzo Brown MC(拜耳) 分子式：C29H19N5Na2O7S 分子量：627.56 CAS号：暂无性质：棕褐色粉状物。溶于水呈深红棕色溶液，溶于乙醇呈棕红色，溶于溶纤素为红棕色，微溶于丙酮，不溶于其他有机溶剂，遇浓硫酸中呈紫色，稀释后呈淡红色棕色沉淀；遇浓硝酸呈橙棕色。其水溶液加浓盐酸呈深棕色，加浓氢氧化内液呈橙棕色。对纤维素纤维染色，染料吸尽性较好，温度在60-80℃亲合力最大。拔染性好，染后用硫酸铜处理，可提高其染色坚牢度。制备方法：由联欢苯胺重氮化后，与水杨酸及γ酸进行双偶事，而后经盐析、过滤及干燥而得。原料消耗（kg/t）联苯胺（100%） 138γ酸（100%） 167水杨酸（工业） 110亚硝酸钠 110盐酸（31%） 122纯碱（工业） 340氢氧化钠（100%） 12 用途：主要用于棉、麻、粘胶等纤维素纤维织物的染色，也可用于蚕丝、锦纶及其混纺织物的染色，除章独使用外，并适用于拼染烟色和咖啡色。还可用于纸张、皮革的染色，及制造色淀颜料用。说明：补充资料仅用于学习参考，请勿用于其它任何用途。参考词条 ST-OFDM OFDM-CDMA OFDM-IDMA DFTS-OFDM MPSK调制信号 MPSK调制符号多相移相键控(MPSK)

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