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Description: 介绍了暖通空调系统(HVAC) 故障检测与诊断(FDD) 的概念,发生故障的原因以及主要的故障检测与诊断方
法,比较了常用的故障检测与诊断方法的优缺点,分析了国内、外暖通空调故障检测与诊断的研究现状和应用情况,对暖
通空调故障检测与诊断的发展过程与方向进行了总结和展望-Introduction of the HVAC system (HVAC) fault detection and diagnosis (FDD) concept, the reasons for failure as well as major fault detection and diagnosis methods, compared the commonly used method of fault detection and diagnosis of the strengths and weaknesses, analyzes the domestic and foreign HVAC Fault Detection and Diagnosis Research and application of HVAC Fault Detection and Diagnosis with the direction of the development process are summarized and prospects
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Size: 300032 |
Author: daizhk |
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Description: The WCDMA Physical Layer Demo consists of an end-to-end (transmitter-to-receiver) simulation of the Frequency Division Duplex (FDD) Downlink physical layer for several Dedicated Channels (DCH) as specified by the 3GPP standard (Release 99).
-The WCDMA Physical Layer Demo consists of an end-to-end (transmitter-to-receiver) simulation of the Frequency Division Duplex (FDD) Downlink physical layer for several Dedicated Channels (DCH) as specified by the 3GPP standard (Release 99).
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Size: 1355776 |
Author: 高飞 |
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Description: 频域分解法Frequency Domain Decomposition(FDD) Programe,识别振型和频率-Frequency Domain Decomposition Method Frequency Domain Decomposition (FDD) Programe, identification of vibration mode and frequency
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Size: 1024 |
Author: xuxiaoxia |
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Description: WCDMA FDD Simulink Models
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Size: 1283072 |
Author: 刘英超 |
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Description: 把地理区域分成一个个小区，蜂窝系统在该区域内提供无线覆盖。把可用的频谱分成很多信道，每个小区分配一组信道。使用频分双工（FDD）。在小区间进行频率利用，N个小区构成一个簇，簇间进行频率复用。定义了传播特性（信道参数）以及同频小区的位置。信道的参数包括：小区半径，路径损耗指数，以分贝为单位的对数正态阴影的标准差，基站发射功率级，移动台发射功率级，每个小区的扇区数，扇区化天线的正反向比，要仿真的瞬时位置的组数，同频干扰阈值。-To a geographical area is divided into small areas, cellular systems in the region to provide wireless coverage. The available spectrum is divided into multi-channel, each plot the distribution of a group of channels. The use of frequency division duplex (FDD). In the district between the frequency of use, N plots constitute a cluster, cluster between frequency reuse. The definition of the propagation characteristics (channel parameters), as well as with the frequency of residential location. Channel parameters include: cell radius, path loss index to decibels for units Lognormal shadow of the standard deviation, the base station transmitter power level, mobile station transmitting power level, the number of sectors in each district, sector of the antenna the pros and cons to the ratio, to the transient simulation of the group a few positions, the same frequency interference threshold.
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Size: 2048 |
Author: mame |
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Description: UMTS FDD Downlink Simulink Model
Simulates UMTS Physical layer FDD for Downlink.
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Size: 942080 |
Author: vasikara |
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Description: WCDMA FDD Simulink Models
Simulation of a WCDMA FDD
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Size: 50176 |
Author: vasikara |
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Description: WCDMA FDD Simulink Models
Simulation of a WCDMA FDD
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Size: 1024 |
Author: vasikara |
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Description: The UMTS Physical Layer model consists of an end-to-end (transmitter-to-receiver) simulation of the Frequency Division Duplex (FDD) Downlink physical layer for several Dedicated Channels (DCH) as specified by the 3GPP standard (Release 99).-The UMTS Physical Layer model consists of an end-to-end (transmitter-to-receiver) simulation of the Frequency Division Duplex (FDD) Downlink physical layer for several Dedicated Channels (DCH) as specified by the 3GPP standard (Release 99).
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Size: 353280 |
Author: Rafal |
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Description: 做的很好的Matlab WCDMA FDD Simulink 仿真-Do a very good simulation of Matlab WCDMA FDD Simulink
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Size: 3033088 |
Author: qinghao |
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Description: 利用Matlab实现的有限差分方法，这是一个m文件下载即可使用。-A simple code for finite difference method
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Size: 1024 |
Author: 孙用 |
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Description: Description The WCDMA Physical Layer Demo consists of an end-to-end (transmitter-to-receiver) simulation of the Frequency Division Duplex (FDD) Downlink physical layer for several Dedicated Channels (DCH) as specified by the 3GPP standard (Release 99).
The current ZIP file includes three different models: channel coding, spreading and modulation and the complete physical layer. Some of the functionalities included in the models are: channel coding and decoding, interleaving, rate matching, mapping to physical channel, spreading, modulation and Rake receiver.
To run the model, unzip the file and type wcdmademos.
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Size: 320512 |
Author: Luo Zongchao |
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Description: 关于WCDMA下行链路的simulink仿真图-The file is a simulation about WCDMA FDD downlink based on simulink.
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Size: 15360 |
Author: liuji |
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Description: IMT-DS FDD(WCDMA)系统无线接口层2技术规范：
分组数据集中协议(PDCP)
IMT-DS FDD(WCDMA) System Radio Interface Technical Specification: Packet Data Convergence Protocol-IMT-DS FDD (WCDMA) radio interface layer 2 system specification: centralized protocol packet data (PDCP) IMT-DS FDD (WCDMA) System Radio Interface Technical Specification: Packet Data Convergence Protocol
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Size: 77824 |
Author: 张帆 |
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Description: UMTS FDD Downlink simulation
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Size: 924672 |
Author: Thuong |
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Description: matlab编写的频域分解法程序，可以在此基础上进行改进.-matlab prepared frequency domain decomposition procedures can be improved on this basis.
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Size: 1024 |
Author: 张大坤 |
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Description: 大林算法的一个应用的例子，在matlab中的实现过程。-Dahlin
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Size: 8965120 |
Author: 王志强 |
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Description: 频域分解法的MATLAB程序，自己编写，针对环境激励等信号输入有较好的识别效果，特别是针对密频结构-Frequency Domain Decomposition Method MATLAB program, we have written, better recognition effect environmental incentives for signal input, especially for structures with closely spaced
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Size: 1024 |
Author: 马俊 |
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Description: 2017年0616，该频域分解（FDD）土木工程中的一个输出系统识别技术的流行，特别是在结构健康监测。作为一个输出的算法，它是有用的当输入数据是未知的。FDD是模态分析技术，生成系统的实现采用了频率响应（多）输出数据参考。所附的MATLAB代码实现了这一技术的模态参数识别。为了使用此代码，处理（趋势、过滤等）时间的历史数据必须存储在一个Excel文件（数据每一频道栏目）。检查“加速度。对于时间的历史文件的一个实例xlsx”。(In 2017, 0616, frequency domain decomposition (FDD), an output system in civil engineering, was popular in identification technology, especially in structural health monitoring. As an output of the algorithm, it is useful when the input data is unknown. FDD is a modal analysis technique, and the implementation of the system adopts a frequency response (multiple) output data reference.)
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Size: 7934976 |
Author: Dex000
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Description: 基于LTE-FDD的OFDM下行无线传输链路设计与仿真(Design and Simulation of OFDM downlink wireless transmission link based on LTE-FDD)
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Size: 323584 |
Author: WTQTakee
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