Problem 1: The following figure shows Half Total Error Rate (HTER) changes over different Hamming distances. Briefly explain why the HTER drops first (i.e. from 0.5 to 0.05) when Hamming distance increases (i.e. from 0 to 50); and why HTER increases later (i.e. from 0.05 to 0.5) when Hamming distance increases (i.e. from 50 to 80). Half total error rate, 1/2 (FRR+FAR) 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 0 20 40 60 80 Hamming distance (threshold) 1000 Hz - -200 Hz 120 100

Problem 1: The following figure shows Half Total Error Rate (HTER) changes over different Hamming distances. Briefly explain why the HTER drops first (i.e. from 0.5 to 0.05) when Hamming distance increases (i.e. from 0 to 50); and why HTER increases later (i.e. from 0.05 to 0.5) when Hamming distance increases (i.e. from 50 to 80). Half total error rate, 1/2 (FRR+FAR) 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 0 20 40 60 80 Hamming distance (threshold) 1000 Hz - -200 Hz 120 100

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

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Recurrence relation

A recurrence relation or recursive relation is an equation that represents a function in terms of the values of its smaller inputs. Every recurrence relation T(n) is a recursive function of integer n and consists of a base case and a recursive case.

Question

Problem 1: The following figure shows Half Total
Error Rate (HTER)
changes over
different
Hamming distances. Briefly explain why the
HTER drops first (i.e. from 0.5 to 0.05) when
Hamming distance increases (i.e. from 0 to 50);
and why HTER increases later (i.e. from 0.05 to
0.5) when Hamming distance increases (i.e. from
50 to 80).
05.
0.45
0.4
0.35
0.3
0.25
0.2
0.15
0.1
0.05
+ 1000 Hz
-G -200 Hz
20
40
60
80
100
120
Hamming distance (threshold)
Half total error rate, 1/2 (FRR+ FAR)

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