{"id":849,"date":"2017-04-06T11:41:09","date_gmt":"2017-04-06T08:41:09","guid":{"rendered":"https:\/\/stwww1.weizmann.ac.il\/communication\/?p=849"},"modified":"2017-06-14T11:52:41","modified_gmt":"2017-06-14T08:52:41","slug":"%d7%91%d7%90%d7%9c%d7%95-%d7%a9%d7%99%d7%98%d7%95%d7%aa-%d7%90%d7%99%d7%a4%d7%a0%d7%95%d7%9f-%d7%9e%d7%a9%d7%aa%d7%9e%d7%a9%d7%99%d7%9d-%d7%9c%d7%a9%d7%99%d7%93%d7%95%d7%a8%d7%99-%d7%a8%d7%93%d7%99","status":"publish","type":"post","link":"https:\/\/stwww1.weizmann.ac.il\/communication\/?p=849","title":{"rendered":"\u05d1\u05d0\u05dc\u05d5 \u05e9\u05d9\u05d8\u05d5\u05ea \u05d0\u05d9\u05e4\u05e0\u05d5\u05df \u05de\u05e9\u05ea\u05de\u05e9\u05d9\u05dd \u05dc\u05e9\u05d9\u05d3\u05d5\u05e8\u05d9 \u05e8\u05d3\u05d9\u05d5? &#8211; \u05de\u05d9\u05d3\u05e2 \u05de\u05ea\u05e7\u05d3\u05dd"},"content":{"rendered":"<p>\u05e0\u05d9\u05ea\u05df \u05dc\u05e7\u05d5\u05d3\u05d3 \u05d0\u05ea \u05d4\u05de\u05d9\u05d3\u05e2 \u05e9\u05de\u05e6\u05d5\u05d9 \u05d1\u05d2\u05dc \u05d4\u05d0\u05d5\u05ea, \u05e2\u05dc \u05d2\u05d1\u05d9 \u05d4\u05d2\u05dc \u05d4\u05e0\u05d5\u05e9\u05d0 (<span style=\"color: #804000\"><strong>\u05d0\u05d9\u05e4\u05e0\u05d5\u05df<\/strong><\/span>), \u05d1<span style=\"color: #008000\"><strong>\u05de\u05e1\u05e4\u05e8 \u05e9\u05d9\u05d8\u05d5\u05ea<\/strong><\/span>:<\/p>\n<ul>\n<li>\u05d4\u05e9\u05d9\u05d8\u05d4 \u05d4\u05e4\u05e9\u05d5\u05d8\u05d4 \u05d1\u05d9\u05d5\u05ea\u05e8 \u05d4\u05d9\u05d0 \u05d1\u05d0\u05de\u05e6\u05e2\u05d5\u05ea \u05d4\u05e4\u05e1\u05e7\u05ea \u05d4\u05e9\u05d9\u05d3\u05d5\u05e8 \u05d5\u05d7\u05d9\u05d3\u05d5\u05e9\u05d5. \u05d6\u05d5\u05d4\u05d9 \u05d4\u05e9\u05d9\u05d8\u05d4 \u05d1\u05d4 \u05e4\u05d5\u05e2\u05dc <a href=\"https:\/\/stwww1.weizmann.ac.il\/communication\/?p=122\">\u05d4\u05d8\u05dc\u05d2\u05e8\u05e3<\/a> (\u05d4\u05e7\u05d9\u05d3\u05d5\u05d3 \u05e9\u05dc \u05d4\u05de\u05d9\u05d3\u05e2 \u05de\u05d5\u05e1\u05d1\u05e8 \u05d1\u05e1\u05e2\u05d9\u05e3 \u05e2\u05dc <a href=\"https:\/\/stwww1.weizmann.ac.il\/communication\/?p=116\">\u05e7\u05d5\u05d3 \u05de\u05d5\u05e8\u05e1<\/a>).<\/li>\n<li>\u05d1\u05e2\u05d1\u05e8 \u05e0\u05d4\u05d2\u05d5 \u05dc\u05d4\u05e9\u05ea\u05de\u05e9 \u05e2\u05d1\u05d5\u05e8 \u05e9\u05d9\u05d3\u05d5\u05e8\u05d9 \u05d4\u05e8\u05d3\u05d9\u05d5 \u05d1\u05e9\u05d9\u05d8\u05ea \u05d0\u05d9\u05e4\u05e0\u05d5\u05df \u05d4\u05e0\u05e7\u05e8\u05d0\u05ea &quot;<span style=\"color: #804000\"><strong>\u05d0\u05d9\u05e4\u05e0\u05d5\u05df \u05ea\u05e0\u05d5\u05e4\u05d4<\/strong><\/span>&quot;:\n<p style=\"direction: ltr;text-align: center\"><span style=\"color: #804000\"><strong>AM = Amplitude Modulation<\/strong><\/span><\/p>\n<p><span style=\"color: #800000\"><strong>\u05d1\u05e9\u05d9\u05d8\u05d4 \u05d6\u05d5 \u05ea\u05d3\u05d9\u05e8\u05d5\u05ea \u05d4\u05d2\u05dc \u05e0\u05e9\u05d0\u05e8\u05ea \u05e7\u05d1\u05d5\u05e2\u05d4, \u05d5\u05e2\u05d5\u05e6\u05de\u05ea\u05d5 (\u05d4\u05de\u05e9\u05e8\u05e2\u05ea \u05e9\u05dc\u05d5) \u05de\u05e9\u05ea\u05e0\u05d4<\/strong><\/span>. \u05dc\u05e9\u05d9\u05d3\u05d5\u05e8\u05d9\u05dd \u05d0\u05dc\u05d5 \u05de\u05d5\u05e7\u05e6\u05d9\u05dd \u05ea\u05d3\u05e8\u05d9 \u05e8\u05d3\u05d9\u05d5 \u05e1\u05d1\u05d9\u05d1 550 \u05e7\u05d9\u05dc\u05d5\u05d4\u05e8\u05e5.<\/li>\n<li>\u05db\u05d9\u05d5\u05dd, \u05e8\u05d5\u05d1 \u05ea\u05e7\u05e9\u05d5\u05e8\u05ea \u05d4\u05e8\u05d3\u05d9\u05d5 \u05de\u05ea\u05e0\u05d4\u05dc\u05ea \u05d1\u05e9\u05d9\u05d8\u05ea \u05d0\u05d9\u05e4\u05e0\u05d5\u05df \u05d4\u05e0\u05e7\u05e8\u05d0\u05ea &quot;<span style=\"color: #804000\"><strong>\u05d0\u05d9\u05e4\u05e0\u05d5\u05df \u05ea\u05d3\u05d9\u05e8\u05d5\u05ea<\/strong><\/span>&quot;:\n<p style=\"direction: ltr;text-align: center\"><strong><span style=\"color: #804000\">FM = Frequency Modulation<\/span><\/strong><\/p>\n<p><span style=\"color: #800000\"><strong>\u05d1\u05e9\u05d9\u05d8\u05d4 \u05d6\u05d5 \u05de\u05e9\u05e8\u05e2\u05ea \u05d4\u05d2\u05dc \u05e0\u05e9\u05d0\u05e8\u05ea \u05e7\u05d1\u05d5\u05e2\u05d4, \u05d5\u05ea\u05d3\u05d9\u05e8\u05d5\u05ea\u05d5 \u05de\u05e9\u05ea\u05e0\u05d4<\/strong><\/span>. \u05dc\u05e9\u05d9\u05d3\u05d5\u05e8\u05d9\u05dd \u05d0\u05dc\u05d5 \u05de\u05d5\u05e7\u05e6\u05d9\u05dd \u05ea\u05d3\u05e8\u05d9 \u05e8\u05d3\u05d9\u05d5 \u05e1\u05d1\u05d9\u05d1 88 \u05de\u05d2\u05d4\u05e8\u05e5.<\/li>\n<li>\u05e9\u05d9\u05d8\u05d4 \u05e0\u05d5\u05e1\u05e4\u05ea \u05d4\u05d9\u05d0 &quot;<span style=\"color: #804000\"><strong>\u05e7\u05d9\u05d3\u05d5\u05d3 \u05d1\u05d0\u05de\u05e6\u05e2\u05d5\u05ea \u05e4\u05d5\u05dc\u05e1\u05d9\u05dd<\/strong><\/span>&quot;:\n<p style=\"direction: ltr;text-align: center\"><span style=\"color: #804000\"><strong>PCM = Pulse Code Modulation<\/strong><\/span><\/p>\n<\/li>\n<\/ul>\n<p>\u05d1\u05e9\u05d9\u05d8\u05d4 \u05d6\u05d5 \u05de\u05d5\u05e8\u05db\u05d1 \u05d4\u05d2\u05dc \u05d4\u05e0\u05d5\u05e9\u05d0 <span style=\"color: #800000\"><strong>\u05de\u05d0\u05d5\u05e1\u05e3 \u05e9\u05dc \u05e4\u05d5\u05dc\u05e1\u05d9\u05dd<\/strong><\/span>, \u05e9\u05dc\u05db\u05d5\u05dc\u05dd \u05d0\u05d5\u05ea\u05d4 \u05de\u05e9\u05e8\u05e2\u05ea (\u05d0\u05de\u05e4\u05dc\u05d9\u05d8\u05d5\u05d3\u05d4), \u05d0\u05d5\u05ea\u05d5 \u05e8\u05d5\u05d7\u05d1 \u05e4\u05d5\u05dc\u05e1, \u05d5\u05d4\u05de\u05e8\u05d7\u05e7 \u05d1\u05d9\u05df \u05d4\u05e4\u05d5\u05dc\u05e1\u05d9\u05dd \u05d6\u05d4\u05d4. \u05d4\u05de\u05d9\u05d3\u05e2 \u05de\u05d5\u05e2\u05d1\u05e8 \u05d1\u05d0\u05de\u05e6\u05e2\u05d5\u05ea \u05d4\u05e2\u05d5\u05d1\u05d3\u05d4 \u05e9\u05d4\u05e4\u05d5\u05dc\u05e1 \u05e7\u05d9\u05d9\u05dd \u05d0\u05d5 \u05dc\u05d0.<\/p>\n<p>&nbsp;<\/p>\n<p><a href=\"https:\/\/stwww1.weizmann.ac.il\/communication\/?p=857\"><img decoding=\"async\" class=\"alignnone wp-image-1297 size-full\" src=\"https:\/\/stwww1.weizmann.ac.il\/energy\/wp-content\/uploads\/sites\/20\/2016\/08\/Buttons_Previous5bCircle5d-e1471853346135.png\" alt=\"\u05dc\u05e2\u05de\u05d5\u05d3 \u05d4\u05e7\u05d5\u05d3\u05dd \u05dc\u05d7\u05e5 \u05db\u05d0\u05df\" width=\"96\" height=\"35\" \/><\/a><a href=\"https:\/\/stwww1.weizmann.ac.il\/communication\/?p=854\"><img decoding=\"async\" class=\"alignleft wp-image-1192 size-full\" src=\"https:\/\/stwww1.weizmann.ac.il\/energy\/wp-content\/uploads\/sites\/20\/2016\/08\/Buttons_Next-5bSquare5d-e1471853369695.png\" alt=\"\u05dc\u05e2\u05de\u05d5\u05d3 \u05d4\u05d1\u05d0 \u05dc\u05d7\u05e5 \u05db\u05d0\u05df\" width=\"96\" height=\"35\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u05e0\u05d9\u05ea\u05df \u05dc\u05e7\u05d5\u05d3\u05d3 \u05d0\u05ea \u05d4\u05de\u05d9\u05d3\u05e2 \u05e9\u05de\u05e6\u05d5\u05d9 \u05d1\u05d2\u05dc \u05d4\u05d0\u05d5\u05ea, \u05e2\u05dc \u05d2\u05d1\u05d9 \u05d4\u05d2\u05dc \u05d4\u05e0\u05d5\u05e9\u05d0 (\u05d0\u05d9\u05e4\u05e0\u05d5\u05df), \u05d1\u05de\u05e1\u05e4\u05e8 \u05e9\u05d9\u05d8\u05d5\u05ea: \u05d4\u05e9\u05d9\u05d8\u05d4 \u05d4\u05e4\u05e9\u05d5\u05d8\u05d4 \u05d1\u05d9\u05d5\u05ea\u05e8 \u05d4\u05d9\u05d0 \u05d1\u05d0\u05de\u05e6\u05e2\u05d5\u05ea \u05d4\u05e4\u05e1\u05e7\u05ea \u05d4\u05e9\u05d9\u05d3\u05d5\u05e8 \u05d5\u05d7\u05d9\u05d3\u05d5\u05e9\u05d5. \u05d6\u05d5\u05d4\u05d9 \u05d4\u05e9\u05d9\u05d8\u05d4 \u05d1\u05d4 \u05e4\u05d5\u05e2\u05dc \u05d4\u05d8\u05dc\u05d2\u05e8\u05e3 (\u05d4\u05e7\u05d9\u05d3\u05d5\u05d3 \u05e9\u05dc \u05d4\u05de\u05d9\u05d3\u05e2 \u05de\u05d5\u05e1\u05d1\u05e8 \u05d1\u05e1\u05e2\u05d9\u05e3 \u05e2\u05dc \u05e7\u05d5\u05d3 \u05de\u05d5\u05e8\u05e1). \u05d1\u05e2\u05d1\u05e8 \u05e0\u05d4\u05d2\u05d5 \u05dc\u05d4\u05e9\u05ea\u05de\u05e9 \u05e2\u05d1\u05d5\u05e8 \u05e9\u05d9\u05d3\u05d5\u05e8\u05d9 &hellip; <a href=\"https:\/\/stwww1.weizmann.ac.il\/communication\/?p=849\">\u05dc\u05d4\u05de\u05e9\u05da \u05e7\u05e8\u05d9\u05d0\u05d4  <span class=\"meta-nav\">&larr;<\/span><\/a><\/p>\n","protected":false},"author":5,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[26],"tags":[],"class_list":["post-849","post","type-post","status-publish","format-standard","hentry","category-26"],"_links":{"self":[{"href":"https:\/\/stwww1.weizmann.ac.il\/communication\/index.php?rest_route=\/wp\/v2\/posts\/849"}],"collection":[{"href":"https:\/\/stwww1.weizmann.ac.il\/communication\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stwww1.weizmann.ac.il\/communication\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/communication\/index.php?rest_route=\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/communication\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=849"}],"version-history":[{"count":7,"href":"https:\/\/stwww1.weizmann.ac.il\/communication\/index.php?rest_route=\/wp\/v2\/posts\/849\/revisions"}],"predecessor-version":[{"id":2131,"href":"https:\/\/stwww1.weizmann.ac.il\/communication\/index.php?rest_route=\/wp\/v2\/posts\/849\/revisions\/2131"}],"wp:attachment":[{"href":"https:\/\/stwww1.weizmann.ac.il\/communication\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=849"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/communication\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=849"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stwww1.weizmann.ac.il\/communication\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=849"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}