spread spectrum signal design
COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... In this section, the proposed approach for LD prediction is discussed. In this work, the main is to design a new approach for learning disability prediction, measurement of the prediction and classification. In ...
10
COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... If one of the nodes as an access point would be available for Independent Basic Service Set (IBSS), it can be considered as dependent and can be also marked as Basic Service Set (BSS). These access points are essential ...
22
Analysis of Simulation Parameters of Pulse Shaping FIR Filter for WCDMA
... Digital Signal processing techniques are being used to improve the performance of 3G ...Sequence Spread Spectrum (DSSS) signal through the processing gain and the coding gain can be used to ...
11
Design and Simulation of Digital Carrier Tracking Technique for High Dynamic Spread Spectrum Receiver
... with spread spectrum techniques to achieve, security and noise ...for Spread Spectrum technique such as the ability of strong anti-jamming, low probability of ...low signal-to-noise ...
5
Radar Communication Integration Based on MSK LFM Spread Spectrum Signal
... use spread spectrum technol- ogy to achieve integrated waveform, it should have the same advantages and spread spectrum ...sequence spread spectrum, or the chirp pulse of LFM ...
10
COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... message and send it to the specified receiver. Later, only the specified receiver has the ability to recover and verify the message simultaneously .This protocol not only satisfied the basic security requirements: ...
10
COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... Experimental results confirm that both the methods can be used to mitigate the effects of tone and multi-tone jamming, pulse jamming, hop jamming and swept jamming. The present work shows that in both cases the excision ...
11
COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... After collecting questionnaires, the data was analyzed. The values were calculated as shown in the figures from A to F.In order to determine whether the answers of the two groups of students were significantly different ...
9
COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... Researchers are focusing on fabricating modern robotic manipulators to satisfy the needs of industrial applications by decreasing the weight of the link manipulators and utilize flexible materials as it is an important ...
7
COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... Some researcher used fusion methods, which is based on GA method that use two types of segmentation technique like Iterative Self Organizing Data (ISODATA) and Self-Organizing Map and Hybrid Dynamic Genetic Algorithm ...
8
Optimal watermark embedding combining spread spectrum and quantization
... combining spread spectrum and quantization. In the method, the host signal vector is quantized to embed a multiple-bit watermark, and meanwhile, the quantized signal is made to locate in the ...
12
COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... after comparing between the proposed algorithm and the Apriori algorithm it was found and proved that the proposed algorithm is better especially in the frequent runs and updated data be[r] ...
8
DC mod-2.pdf
... original signal and the chips in the chip generator use polar NRZ ...original signal rate is N, the rate of the spread signal is ...the spread signal is 11 times larger than the ...
46
COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... Finally, to improve the gene encode/decode latency, a Gene-based decoding using uniform crossover was performed through Hash Spatial Vector-based Template Authentic Key Generation algori[r] ...
14
COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... The ultrasonic sensor emits a signal that propagates in the air at the velocity of sound as shown in figure 2. If it hits any object, then it reflects back an echo signal to the sensor. The ultrasonic ...
8
Design of a direct sequence spread spectrum system for power line communication
... O'Neal, Jr., "Overview of Power Distribution Line Carrier Communications Systems," IEEE C;~obat. Telecommunications Conference, Nov[r] ...
98
Performance Evaluation of DSSS and FHSS Using Modulation Technique
... Spread spectrum techniques are very useful to overcome the communication problems like interference and ...information signal to be transmitted is first multiplied by the PN code called spreading ...
7
COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... Secondly, among several combinations of missing value techniques with attribute subset selection methods, we found that the combination of replacement with mean as a missing value replac[r] ...
7
COMPARISON OF JAMMING EXCISION METHODS FOR DIRECT SEQUENCE/SPREAD SPECTRUM (DS/SS) MODULATED SIGNAL
... The method consists of four main stages: image acquisition image is downloaded from CASIA Database, preprocessing, feature extraction using Local Line Binary Pattern LLBP descriptor and [r] ...
7
SECURED COMMUNICATION USING SPREAD SPECTRUM TECHNIQUES
... the spread spectrumtechnique has the ability to discriminate interference signalsand detect the received signal by matching received PN codewith the local PN code and measuring the number of chips ofthe ...
6