ISO/IEC 11321:1992 (E) 8.7 Signal-to-noise ratio (S/N) characteristic Section 4 : Format 30 9 DATA/DAT format 30 9.1 General 30 9.2 Basic (iroups 31 9.2.1 Basic Groups for Group Format O 31 9.2.2 Basic Groups for Group Format ! 32 9.3 Sub-Groups 33 9.3.1 G1 Suh-group 33 9.3.2 G2 Sub-group 34 9.3.3 G3 Suh-group 34 9.3.4 G4 Sub-group 35 9.3.5 Main Data Block 40 9.4 42 Sub-Data area 9.4.1 Pack Item No. 1 42 9.4.2 Pack ltem No. 2 43 9.4.3 Pack Item No. 3 45 9.4.4 Pack item No. 4 46 9.4.5 Pack Item No. 5 47 9.4.6 Pack Item No. 6 48 9.4.7 Pack Item No. 7 49 9.4.8 Sub Data Block 49 9.5 Basic Group structure 51 52 9.5.1 User Data 9.5.2 System Data 52 9.5.3 Record ID list 56 9.5.4 Heuristic Recovery Data Area 60 10 Method of recording 60 10.1 Physical recording density 60 10.2 I.ong-Term average bit ceil length 60 10.3 Short-Term average bit cell length 60 60 10.4 Rate of change 10.5 Bit shift 60 10.6 Read signal amplitude 60 10.7 Maximum recorded levels 60 11 60 Track geometry 11.1 Track configuration 60 11.2 Average track pitch 61 11.3 Variations of the track pitch 61 61 11.4 Track width 11.5 Track angle 62 Track edge linearity 62 11.6 andaza > Not for Resale ISO/IEC 11404:2007(E) Contents Page Foreword. vi 0 Introduction .. vii 1 Scope 2 Normative references . 3 Terms and definitions .2 4 Conformance.. .8 4.1 Direct conformance. 4.2 Indirect conformance. .9 4.3 Conformance of a mapping standard.... 4.4 GPD program conformance.... .10 5 Conventions used in this International Standard. .10 5.1 Formal syntax.... 10 5.2 Textconventions 11 6 Fundamental notions 6.1 6.2 Valuespace 12 6.3 Datatype properties 6.3.1 Equality 6.3.2 Order 13 6.3.3 Bound, 6.3.4 Cardinality .14 6.3.5 Exact and approximate 14 6.3.6 Numeric. .14 6.4 Primitive and non-primitive datatypes 6.5 Datatype generator....... 6.6 Characterizing operations . 15 6.7 Datatype families . 16 6.8 Aggregate datatypes, 7 6.8.1 Homogeneity . 17 6.8.2 17 6.8.3 Uniqueness.. 6.8.4 Aggregateimposed identifier uniqueness....... .18 6.8.5 Aggregate-imposed ordering . 6.8.6 Access method ... 18 6.8.7 Recursive structure .. 6.8.8 Structured and unstructured 19 6.8.9 Mandatory and optional components... 19 6.9 Provisions associated with datatypes..... .19 7 Elements of the Datatype Specification Language .. 21 7.1 IDN character-set .. 21 7.2 7.3 Lexical objects .. 23 7.3.1 Identifiers.... 23 7.3.2 .23 7.3.3 Character-literal and string-literal...... 7.3.4 Keywords. 24 7.4 Annotations 24 7.5 @ISO/IEC2007-All rightsreserved ili ISO/IEC 11404:2007(E) 7.5.1 25 7.5.2 Dependentvalues .26 7.6 GPD program text . 27 8 Datatypes 8.1 Primitive datatypes . .28 8.1.1 Boolean 29 8.1.2 State. ..30 8.1.3 Enumerated. 31 8.1.4 Character..... 8.1.5 Ordinal ..33 8.1.6 Date-and-Time 8.1.7 Integer. 35 8.1.8 Rational...... 8.1.9 Scaled.. .37 8.1.10 Real. .38 8.1.11 Complex 40 8.1.12 Void. 8.2 Subtypes and extended types 42 8.2.1 Range 43 8.2.2 Selecting 8.2.3 Excluding .44 8.2.4 Size. 44 8.2.5 Explicit subtypes.. 45 8.2.6 8.3 Generated datatypes.... ..46 8.3.1 Choice 8.3.2 49 8.3.3 Procedure. ..50 8.4 Aggregate Datatypes 8.4.1 Record 55 8.4.2 8.4.3 Set. ..58 8.4.4 Bag. 8.4.5 Sequence .60 8.4.6 Array 8.4.7 Table 64 8.5 Defined datatypes . 66 8.6 8.6.1 General parameters forprovisions. ..67 8.6.2 Aggregate-specific features.... .70 8.6.3 Aggregate-component-identifieruniqueness, 70 8.6.4 Usage-specific features.... 9 Declarations...... 9.1 Type declarations.. 72 9.1.1 Renaming declarations... 9.1.2 9.1.3 New generator declarations .. 73 9.2 Value declarations ... 73 9.3 Termination declarations .......... 74 9.4 9.5 Lexical operations.... 9.5.1 Import ...... 74 9.5.2 75 10 Defined datatypes and generators 75 10.1 10.1.1 Natural number 10.1.2 Modulo. 76 10.1.3 iv @ISO/IEC2007-All rights reserved ISO/IEC 11404:2007(E) 10.1.4 10.1.5 Character string 10.1.6 Time interval... 10.1.7 .79 10.1.8 Octetstring .79 10.1.9 Private.. .80 10.1.10 Object identifier.. 80 10.2 Defined generators 10.2.1 Stack .82 10.2.2 Tree ..